Warning: mysql_fetch_array() expects parameter 1 to be resource, boolean given in /home/newdedyk/domains/bkmanuals.com/public_html/includes/pages/manual_inc.php on line 26
Nortel Networks NN43001-301 manuale d’uso - BKManuals

Nortel Networks NN43001-301 manuale d’uso

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306

Vai alla pagina of

Un buon manuale d’uso

Le regole impongono al rivenditore l'obbligo di fornire all'acquirente, insieme alle merci, il manuale d’uso Nortel Networks NN43001-301. La mancanza del manuale d’uso o le informazioni errate fornite al consumatore sono la base di una denuncia in caso di inosservanza del dispositivo con il contratto. Secondo la legge, l’inclusione del manuale d’uso in una forma diversa da quella cartacea è permessa, che viene spesso utilizzato recentemente, includendo una forma grafica o elettronica Nortel Networks NN43001-301 o video didattici per gli utenti. La condizione è il suo carattere leggibile e comprensibile.

Che cosa è il manuale d’uso?

La parola deriva dal latino "instructio", cioè organizzare. Così, il manuale d’uso Nortel Networks NN43001-301 descrive le fasi del procedimento. Lo scopo del manuale d’uso è istruire, facilitare lo avviamento, l'uso di attrezzature o l’esecuzione di determinate azioni. Il manuale è una raccolta di informazioni sull'oggetto/servizio, un suggerimento.

Purtroppo, pochi utenti prendono il tempo di leggere il manuale d’uso, e un buono manuale non solo permette di conoscere una serie di funzionalità aggiuntive del dispositivo acquistato, ma anche evitare la maggioranza dei guasti.

Quindi cosa dovrebbe contenere il manuale perfetto?

Innanzitutto, il manuale d’uso Nortel Networks NN43001-301 dovrebbe contenere:
- informazioni sui dati tecnici del dispositivo Nortel Networks NN43001-301
- nome del fabbricante e anno di fabbricazione Nortel Networks NN43001-301
- istruzioni per l'uso, la regolazione e la manutenzione delle attrezzature Nortel Networks NN43001-301
- segnaletica di sicurezza e certificati che confermano la conformità con le norme pertinenti

Perché non leggiamo i manuali d’uso?

Generalmente questo è dovuto alla mancanza di tempo e certezza per quanto riguarda la funzionalità specifica delle attrezzature acquistate. Purtroppo, la connessione e l’avvio Nortel Networks NN43001-301 non sono sufficienti. Questo manuale contiene una serie di linee guida per funzionalità specifiche, la sicurezza, metodi di manutenzione (anche i mezzi che dovrebbero essere usati), eventuali difetti Nortel Networks NN43001-301 e modi per risolvere i problemi più comuni durante l'uso. Infine, il manuale contiene le coordinate del servizio Nortel Networks in assenza dell'efficacia delle soluzioni proposte. Attualmente, i manuali d’uso sotto forma di animazioni interessanti e video didattici che sono migliori che la brochure suscitano un interesse considerevole. Questo tipo di manuale permette all'utente di visualizzare tutto il video didattico senza saltare le specifiche e complicate descrizioni tecniche Nortel Networks NN43001-301, come nel caso della versione cartacea.

Perché leggere il manuale d’uso?

Prima di tutto, contiene la risposta sulla struttura, le possibilità del dispositivo Nortel Networks NN43001-301, l'uso di vari accessori ed una serie di informazioni per sfruttare totalmente tutte le caratteristiche e servizi.

Dopo l'acquisto di successo di attrezzature/dispositivo, prendere un momento per familiarizzare con tutte le parti del manuale d'uso Nortel Networks NN43001-301. Attualmente, sono preparati con cura e tradotti per essere comprensibili non solo per gli utenti, ma per svolgere la loro funzione di base di informazioni e di aiuto.

Sommario del manuale d’uso

  • Pagina 1

    Nor tel Communication Ser v er 1000 ISDN Pr imar y Rate Interf ace Installation and Commissioning NN43001-301 .[...]

  • Pagina 2

    Document status: Standard Document version: 02.03 Document date: 7 December 2007 Copyright © 2003-2007, Nor tel Netw orks All Rights Reser v ed. Sourced in Canada LEGAL NO TICE While the information in this document is belie ved to be accurate and reliable , except as otherwise expressly ag reed to in wr iting NORTEL PR OVIDES THIS DOCUMENT "[...]

  • Pagina 3

    3 Contents New in this release 9 Other 9 Revision History 9 How to get help 11 Getting help from the Nor tel web site 11 Getting help over the telephone from a Nor tel Solutions Center 11 Getting help from a specialist by using an Express Routing Code 11 Getting help through a Nor tel distributor or reseller 12 Introduction 13 Subject 13 Applicable[...]

  • Pagina 4

    4 Contents Install the NT6D11AB , NT6D11AE, NT6D11AF DCHI 85 Remov e the NT6D11AB, NT6D11AE, NT6D11AF DCH 86 Install the QPC757 DCH 87 NTBK51 DDCH installation and remov al 91 Contents 91 Introduction 91 Install NTBK51 DDCH on NT5D97 dual-por t DTI2/PRI2 card 91 Remov e NTBK51 DDCH from NT5D97 dual-por t DTI2/PRI2 card 92 Install NTBK51 DDCH on NT5[...]

  • Pagina 5

    Contents 5 NT5D12 switch settings 145 Install the NT5D12 DDP 150 Remov e the NT5D12 DDP 152 Configure the NT5D12 DDP 153 Clock Contr oller description and installation 155 Contents 155 Introduction 156 Description 156 Installation procedures 168 ISL installation 179 Contents 179 ISL configurations 179 DCHI switch settings 180 MSDL switch settings[...]

  • Pagina 6

    6 Contents 2.0 Mb DTI implementation 237 Contents 237 Overview 237 Hardware requirements 237 NT AK10 2.0 Mb DTI card 238 Install DTI hardware 238 DTI software implementation 241 2.0 Mb PRI implementation 257 Contents 257 Overview 257 Hardware requirements 257 Hardware description 258 Install the NT AK79 PRI card 261 Install the NTBK50 PRI card 266 [...]

  • Pagina 7

    Contents 7 Procedures Procedure 1 Install the NT6D11AB , NT6D11AE, NT6D11AF DCH 85 Procedure 2 Remov e the NT6D11AB, NT6D11AE, NT6D11AF DCH 86 Procedure 3 Install the QPC757 DCHI 87 Procedure 4 Remov e the QPC757 DCH 90 Procedure 5 Install the NTBK51 on the NT5D97 dual-por t DTI2/PRI2 card 92 Procedure 6 Remov e the NTBK51 from the NT5D97 dual-por [...]

  • Pagina 8

    8 Contents Procedure 266 Procedure 41 Inspecting the NTBK50 circuit card 266 Procedure 42 Installing the NT AK02 286 Procedure 43 Setting up the D-channel 287 Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, Nor tel Networks[...]

  • Pagina 9

    9 Ne w in this release There hav e been no updates to the document in this release Other Revision History December 2007 Standard 02.03. This document has been up-issued to support Communication Server Release 5.5. August 2007 Standard 01.03. This document has been up-issued to support a change request. June 2007 Standard 01.02. This document is up-[...]

  • Pagina 10

    10 New in this release • 2.0Mb DTI/PRI: Description, Installation and Maintenance (553-3011-315) (Content from 2.0Mb DTI/PRI: Description, Installation and Maintenance (553-3011-315) also appears in ISDN Primary Rate Interface Maintenance (NN43001-717) .) Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commission[...]

  • Pagina 11

    11 Ho w to g et help This chapter explains how to get help for Nor tel products and ser vices. Getting help from the Nor tel web site The best wa y to get technical suppor t for Nor tel products is from the Nor tel T echnical Suppor t web site: h ttp://www . nor tel.com/suppor t This site provides quic k access to software, documentation, b ulletin[...]

  • Pagina 12

    12 How to get help http://www .nor tel.com/erc Getting help thr ough a Nortel distrib utor or reseller If you purchased a service contract f or your Nor tel product from a distr ibutor or author ized reseller , contact the technical suppor t staff f or that distributor or reseller . Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface I[...]

  • Pagina 13

    13 Intr oduction This document is a global document. Contact your system supplier or y our Nor tel representative to v er ify that the hardware and software described are suppor ted in your area. Subject Note on legacy pr oducts and releases This technical document contains information about systems, components, and f eatures that are compatible wi[...]

  • Pagina 14

    14 Introduction System migration When par ticular Meridian 1 systems are upgr aded to run CS 1000 software and configured to include a Signaling Ser v er , the y become CS 1000 systems. T ab le 1 "Mer idian 1 systems to CS 1000 systems" (page 14) lists each Meridian 1 system that suppor ts an upgr ade path to a CS 1000 system. Ta b l e 1[...]

  • Pagina 15

    15 ISDN Primary Rate Interface equipment o ver vie w Contents The section contains inf ormation on the follo wing topics: "Introduction" (page 17) "Primary Rate Interface (PRI) hardware requirements" (page 17) "ISDN Signaling Link (ISL) hardware" (page 18) "64 Kbit/s Clear Data Hardware" (page 20) "D-Cha[...]

  • Pagina 16

    16 ISDN Primar y Rate Interface equipment ov er view "Carrier interface" (page 27) "Echo canceller interface" (page 28) "QMT21 High Speed Data Module" (page 28) "QPC720 PRI for 1.5/2.0 Mb gateway" (page 28) "Clock operation for the NT8D72" (page 28) "QPC720 PRI" (page 30) "Power requi[...]

  • Pagina 17

    Primar y Rate Interface (PRI) hardware requirements 17 "Automatic clock switching" (page 72) "Clock configurations" (page 72) Introduction This chapter describes the basic hardware needed to equip ISDN PRI on CS 1000 and Mer idian 1 systems. Primary Rate Interface (PRI) har dware requirements The follo wing hardware is required [...]

  • Pagina 18

    18 ISDN Primar y Rate Interface equipment ov er view See Figure 1 "PRI hardware (shown without downloadable PRI and DCH cards)" (page 18) for a representation of the basic PRI system hardware. Note: Figure 1 shows a basic configur ation, not the dual-por t NT5D12 DTI/PRI card, nor the associated dual-por t NTBK51AA Downloadable D-Channel[...]

  • Pagina 19

    ISDN Signaling Link (ISL) hardware 19 • NT5D12 dual-por t 1.5 DTI/PRI card • QPC775 Clock Controller or NTRB53 Equipment required f or dedicated mode using leased lines: • NT6D11(AB/AE/AF) D-Channel (DCH) card (for 2.0 Mb PRI) • QPC757 D-channel (DCH) for (1.5 Mb PRI) • NT6D80 Multipur pose Ser ial Data Link (MSDL) card • NTBK51 Downloa[...]

  • Pagina 20

    20 ISDN Primar y Rate Interface equipment ov er view • QMT8 Asynchronous Data Module (ADM), QMT11 Asynchronous/Syn- chronous Interf ace Module (ASIM) or QMT21 High Speed Data Module (HSDM) • Data line card 64 Kbit/s Clear Data Hardware The QMT21 High Speed Data Module (HSDM) is required in the clear-data pathwa y to suppor t the 64Kbit/s clear-[...]

  • Pagina 21

    QPC757 DCH 21 Figure 2 NT6D11 DCH faceplate lay out QPC757 DCH P ower requirements The power requirements f or the QPC757 DCH are: • +5 volts at 3 amperes • +12 volts at 50 milliamperes • –12 volts at 50 milliamperes DCH/PRI interface The QPC757 DCH connects to the QPC720 PRI via a RS-422 cab le. The f ollowing signals are transmitted acros[...]

  • Pagina 22

    22 ISDN Primar y Rate Interface equipment ov er view • RCV CLOCK • XMIT CLOCK • XMIT READ Y • PRI READ Y • DCH READ Y PRI READ Y and DCH READ Y are handshak e signals. QPC757 faceplate The QPC757 DCH, as shown in Figure 3 "QPC757 DCH faceplate la yout" (page 23) has one LED to indicate an active or inactiv e state and two e xter[...]

  • Pagina 23

    NT6D80 MSDL 23 Figure 3 QPC757 DCH faceplate lay out NT6D80 MSDL The NT6D80 MSDL card can be used in conjunction with, or independent of , the QPC757, or NT6D11AB/AE/AF DCH. P ower requirements The NT6D80 MSDL power requirements are: Voltage (VAC) Current (Amps) Power (Watts) Heat (BTUs) +5 3.20 16.00 55.36 +12 0.10 1.20 4.15 -12 0.10 1.20 4.15 Nor[...]

  • Pagina 24

    24 ISDN Primar y Rate Interface equipment ov er view MSDL/PRI interface MSDL can connect to PRI tr unks through RS-422 or RS-232 interf aces. The interf aces are switch configured. MSDL faceplate The NT6D80 MSDL has one LED to indicate an activ e or inactive state and f our external connectors. Each por t can be RS-422 or RS-232 connectors, with e[...]

  • Pagina 25

    NT8D72 PRI2 25 NTBK51 Downloadab le D-Channel Daughterboard The NTBK51 is a two por t Downloadable D-Channel Daughterboard (DDCH) that has been introduced as an option to the NT6D80 MSDL, the NT5D97 dual-por t DTI2/PRI2 card, or the NT5D12 dual-por t 1.5 Mb DTI/PRI card. The NTBK51 suppor ts all the f eatures of the e xisting 4 por t MSDL (NT6D80),[...]

  • Pagina 26

    26 ISDN Primar y Rate Interface equipment ov er view Figure 5 NT8D72 PRI faceplate lay out T able 2 "NT8D72 PRI Exter nal connectors" (page 26) gives inf or mation about the external connectors located on the NT8D72 PRI2 f aceplate. Ta b l e 2 NT8D72 PRI External connectors Faceplate Destination Type Description J1 9-pin female, D-connect[...]

  • Pagina 27

    NT8D72 PRI2 27 Faceplate Destination Type Description RCV MON Miniature bantam jack Monitor DSI from network XMT MON Miniature bantam jack Monitor DSI from PRI Cable requirements T able 3 "NT8D72AB and NT8D72BA PRI: Cables and cab le lengths" (page 27) lists the types of cab le used and the lengths required f or inter nal and e xter nal N[...]

  • Pagina 28

    28 ISDN Primar y Rate Interface equipment ov er view Echo canceller interface Echo cancellers are required only on satellite transmission circuits. The echo canceller detects the length of the loop , and then cancels out reflected transmission. (Callers will not hear echoes of their own voices reflecting back to them from the f ar end of the call[...]

  • Pagina 29

    NT8D72 PRI2 29 Figure 6 Clock contr oller primary and secondary tracking Free run (non-tracking) mode The clock synchronization of the system can operate in free-r un mode if: • no loop is defined as the primar y or secondar y cloc k reference , • the primar y and secondar y references are disabled, or • the primar y and secondar y ref erenc[...]

  • Pagina 30

    30 ISDN Primar y Rate Interface equipment ov er view A ref erence-clock error occurs when there is a prob lem with the clock driv er or with the ref erence clock at the f ar end. If the clock controller detects a ref erence-clock error , the ref erence clocks are s witched. A utomatic clock reco very A command f or automatic clock recov er y can be[...]

  • Pagina 31

    QPC720 PRI 31 • +12 volts at 50 milliamperes • -12 volts at 50 milliamperes QPC720 faceplate QPC720 PRI contains five LEDs and six external connectors. Figure 7 "QPC720 PRI f aceplate lay out" (page 31) shows the QPC720 PRI faceplate la yout. T ab le 4 "QPC720 PRI external connectors" (page 31) gives inf or mation about the[...]

  • Pagina 32

    32 ISDN Primar y Rate Interface equipment ov er view Faceplate destination Type J2 9-pin female, D-connector J3 36-pin connector J4 15-pin male, D-connector J5 15-pin male, D-connector J6 15-pin female, D-connector RCV MON Miniature bantam jack XMT MON Miniature bantam jack QPC720 Cable requirements T able 5 "QPC720 PRI cables and cab le lengt[...]

  • Pagina 33

    QPC720 PRI 33 The QPC720 PRI provides both a T1 line interf ace and a control interf ace to link to a signal format compatible with EIA standard RS-232-C. Both the PRI and the Echo Canceller act as Data T er minal Equipment (DTE). The Echo Canceller’s control protocol must conf or m to that of the T ellabs Model 251. 64 T-link version 2 protocol [...]

  • Pagina 34

    34 ISDN Primar y Rate Interface equipment ov er view Disk drive hard ware The follo wing hardware is required for Large System upgrades: • 3.5-inch disk drive unit • disk drive controller f or abov e • cable f or abov e NT5D97 Dual-port DTI2/PRI2 card The NT5D97 is a dual-por t 2.0 Mb DTI2/PRI2 card (the DDP2 fir mware functions in DTI2 or P[...]

  • Pagina 35

    NT5D97 Dual-por t DTI2/PRI2 card 35 T wo control signals are used to communicate the D-channel link status to the DCH or MSDL. These are: • Receiver Ready (RR), or iginating at the DDP2 card, to indicate to the DCH or MSDL that the D-channel link is operational. • T ransmitter Ready (TR), originating at the DCH or MSDL, to indicate to the DDP2 [...]

  • Pagina 36

    36 ISDN Primar y Rate Interface equipment ov er view Figure 8 NT5D97 faceplate Ta b l e 7 External connectors and LEDs Function Faceplate Designator Type Description Switch ENB/DIS Plastic, ESD protected Card Enable/disable switch Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Stand[...]

  • Pagina 37

    NT5D97 Dual-por t DTI2/PRI2 card 37 Function Faceplate Designator Type Description Unit 0 Clock 0 RJ11 Connector Connects reference clock 0 to Clock Controller card 0 Unit 0 Clock 1 RJ11 Connector Connects reference clock 0 to Clock Controller card 1 Unit 1 Clock 0 RJ11 Connector Connects reference clock 1 to Clock Controller card 0 Unit 1 Clock 1 [...]

  • Pagina 38

    38 ISDN Primar y Rate Interface equipment ov er view • When the ENET por t on the card is disabled by software . T runk Disable (DIS) LEDs T wo red LEDs indicate if the "trunk por t 0" or "trunk por t 1" por tions of the card are disabled. These LEDs are lit in the follo wing cases: • upon reception of the "disable loop[...]

  • Pagina 39

    NT5D97 Dual-por t DTI2/PRI2 card 39 Unit 1 Clk Connectors T wo RJ11 connectors f or connecting: • Digital trunk unit 1 recovered cloc k to pr imar y or secondar y ref erence source on clock controller card 0. • Digital trunk unit 1 recovered cloc k to pr imar y or secondar y ref erence source on clock controller card 1. Connector J5 (TRK) A 9 p[...]

  • Pagina 40

    40 ISDN Primar y Rate Interface equipment ov er view CPU capacity Using a NT5D97 DDP2 card instead of DTI2/PRI2 cards does not increase the load on the system CPU. The DDP2 replaces an ENET card and two DTI2/PRI2 cards. Emulating the ENET card and the over all CPU capacity is not impacted by using a DDP2 card instead of a DTI2/PRI2 card. P ower req[...]

  • Pagina 41

    NT5D97 Dual-por t DTI2/PRI2 card 41 DDP2 cable assemb lies include: • E1 carrier cables — NTCK45AA (A0407956) — NT8D7217 (A0617192) — NTCK78AA (A0618294) — NTCK79AA (A0618296) • DDP2 to QPC471/QPC775 Clock Controller Cables — NTCG03AA — NTCG03AB — NTCG03A C — NTCG03AD • DDP2 to DCH cables — NTCK46AA — NTCK46AB — NTCK46A [...]

  • Pagina 42

    42 ISDN Primar y Rate Interface equipment ov er view Figure 9 NTCK45AA T able 9 "NTCK45AA cable pins" (page 42) lists the pin attributes f or the NTCK45AA cable . Ta b l e 9 NTCK45AA cable pins Cable Name Description Color DDP2 pins I/O Panel pins 0 T-PRI0TX Trunk 0 Transmit Tip Black P1-1 P2-6 0 R-PRI0TX Trunk 0 Transmit Ring Red P2-2 P2[...]

  • Pagina 43

    NT5D97 Dual-por t DTI2/PRI2 card 43 Figure 10 NT8D7217 T able 10 "NT8D7217 cable pins" (page 43) which f ollows lists the pin attributes f or the NT8D7217 cable. Ta b l e 1 0 NT8D7217 cable pins Cable Name Description Color DDP2 pins I/O Panel pins 0 T-PRI0TX Trunk 0 Transmit Tip Black P1-6 P2-6 0 R-PRI0TX Trunk 0 Transmit Ring White P1-7[...]

  • Pagina 44

    44 ISDN Primar y Rate Interface equipment ov er view Figure 11 NTCK78AA T able 11 "NTCK78AA cable pins" (page 44) lists the pin attr ibutes f or the NTCK78AA cable . Ta b l e 1 1 NTCK78AA cable pins Cable Name Description Color DDP2 pins NCTE pins 0 T-PRI0TX Trunk 0 Transmit Tip Black P1-1 P2-1 0 R-PRI0TX Trunk 0 Transmit Ring Red P1-2 P2[...]

  • Pagina 45

    NT5D97 Dual-por t DTI2/PRI2 card 45 Figure 12 NTCK79AA T able 12 "NTCK79AA cable pins" (page 45) lists the pin attr ibutes f or the NTCK79AA cable . Ta b l e 1 2 NTCK79AA cable pins Cable Name Description Color DDP2 pins NCTE pins 0 T-PRI0TX Trunk 0 Transmit Tip Red P1-1 P2 inner conductor 0 R-PRI0TX Trunk 0 Transmit Ring Red P1-2 P2 shie[...]

  • Pagina 46

    46 ISDN Primar y Rate Interface equipment ov er view Figure 13 NTCG03AA/AB/A C/AD MSDL/DCH cables External DCH cable The NTCK46 cable connects the DDP2 card to the NT6D11AF/NT5K75AA/NT5K35AA D-Channel Handler card. The cable is av ailable in f our different sizes: • NTCK46AA (6 ft.) - DDP2 to DCH cable • NTCK46AB (18 ft.) - DDP2 to DCH cable ?[...]

  • Pagina 47

    NT5D97 Dual-por t DTI2/PRI2 card 47 Figure 15 NTCK80AA/AB/A C/AD Cable diagrams Figure 16 "DDP2 cable f or systems with an I/O panel" (page 48) and Figure 17 "DDP2 cable f or systems without an I/O panel" (page 49) provide e xamples of typical cabling configurations f or the DDP2. Figure 16 "DDP2 cab le f or systems with a[...]

  • Pagina 48

    48 ISDN Primar y Rate Interface equipment ov er view Figure 16 DDP2 cable for systems with an I/O panel Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, Nor tel Networks .[...]

  • Pagina 49

    NT5D97 Dual-por t DTI2/PRI2 card 49 Figure 17 DDP2 cable f or systems without an I/O panel Clock f or the NT5D97 Clock operation There are two types of cloc k operation — trac king mode and free-r un mode. Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 Decem[...]

  • Pagina 50

    50 ISDN Primar y Rate Interface equipment ov er view T racking mode In trac king mode, the DDP2 loop supplies an external clock ref erence to a clock controller . T wo DDP2 loops can operate in trac king mode, with one defined as the pr imar y reference source f or clock synchronization, the other defined as the secondar y ref erence source. The [...]

  • Pagina 51

    NT5D97 Dual-por t DTI2/PRI2 card 51 Reference cloc k error s The system software chec ks at inter vals of 1 to 15 minutes to see if a cloc k controller or reference-cloc k error has occurred. (The inter val of this check can be configured in LD 73). In trac king mode, at any one time , there is one active cloc k controller which is trac king on on[...]

  • Pagina 52

    52 ISDN Primar y Rate Interface equipment ov er view Clock configurations Clock Controllers can be used in a single or a dual CPU system. A single CPU system has one Clock Controller card. This card can receive ref erence clocks from two sources ref erred to as the primar y and secondar y sources. These two sources can or iginate from a PRI2, DTI2[...]

  • Pagina 53

    NT5D97 Dual-por t DTI2/PRI2 card 53 Ta b l e 1 4 Clock Contr oller options - description Clock Option Notes Option 1 This option provides a single CPU system with 2 clock sources derived from the 2 ports of the DDP2. Connector Clk0 provides a clock source from Unit 0. Connector Clk0 provides a clock source from Unit 1. Refer to Figure 19 "Cloc[...]

  • Pagina 54

    54 ISDN Primar y Rate Interface equipment ov er view Clock Option Notes Connector Clk1 provides a Ref 2 clock source from Unit 0. Connector Clk0 provides a Ref 1 clock source from Unit 1. Connector Clk1 provides a Ref 2 clock source from Unit 1. Refer to Figure 22 "Clock Controller - Option 4" (page 57) . Figure 19 Clock Contr oller - Opt[...]

  • Pagina 55

    NT5D97 Dual-por t DTI2/PRI2 card 55 Figure 20 Clock Contr oller - Option 2 Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, Nor tel Networks .[...]

  • Pagina 56

    56 ISDN Primar y Rate Interface equipment ov er view Figure 21 Clock Contr oller - Option 3 Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, Nor tel Networks .[...]

  • Pagina 57

    NT5D12 Dual-por t DTI/PRI 57 Figure 22 Clock Contr oller - Option 4 NT5D12 Dual-port DTI/PRI The NT5D12 is a dual-por t 1.5 DTI/PRI card (the DDP fir mware functions in DTI or PRI mode) integrating the functionality of two QPC472 DTI/DDP2 PRI cards and one QPC414 ENET into one card. The NT5D12 occupies a single Network shelf slot and provides two [...]

  • Pagina 58

    58 ISDN Primar y Rate Interface equipment ov er view D-Channel and MSDL interface The connection betw een the DDP card and the DCHI or MSDL is via a 26 pin f emale D type connector . The data signals conf or m to the electr ical characteristics of the EIA standard RS-422. T wo control signals are used to communicate the D-Channel link status to the[...]

  • Pagina 59

    NT5D12 Dual-por t DTI/PRI 59 RR State Condition and Transmitter Ready (TR) control signal from the DCHI/MSDL is ON OFF All other conditions NT5D12 faceplate Figure 23 "NT5D12 faceplate - general vie w" (page 60) and Figure 24 "DDP f aceplate - detailed view" (page 61) illustrate the f aceplate lay out f or the NT5D12 DDP card. T[...]

  • Pagina 60

    60 ISDN Primar y Rate Interface equipment ov er view Figure 23 NT5D12 faceplate - general view Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, Nor tel Networks .[...]

  • Pagina 61

    NT5D12 Dual-por t DTI/PRI 61 Figure 24 DDP faceplate - detailed view Ta b l e 1 6 External connectors and LEDs Function Faceplate Designator Type Description Switch ENB/DIS Plastic, ESD protected Card Enable/disable switch Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Rele[...]

  • Pagina 62

    62 ISDN Primar y Rate Interface equipment ov er view Function Faceplate Designator Type Description Port 0 Clock 0 RJ11 Connector Connects reference clock to Clock Controller card Port 0 Clock 1 RJ11 Connector Connects reference clock to Clock Controller card Port 1 Clock 0 RJ11 Connector Connects reference clock to Clock Controller card Connectors[...]

  • Pagina 63

    NT5D12 Dual-por t DTI/PRI 63 T runk P or t Disable LEDs T wo red LEDs indicate if the "tr unk por t 0" and "tr unk por t 1" por tion of the card are disabled. These LEDs are tur ned on in the f ollowing cases: • When the enab le/disable s witch is in state disable (lit b y hardware). • After power-up , bef ore the card is en[...]

  • Pagina 64

    64 ISDN Primar y Rate Interface equipment ov er view P or t 1 Clk Connectors T wo RJ11 connectors f or connecting: • Digital trunk por t 1 recovered cloc k to pr imar y or secondar y ref erence source on clock controller card 0. • Digital trunk por t 1 recovered cloc k to pr imar y or secondar y ref erence source on clock controller card 1. Con[...]

  • Pagina 65

    NT5D12 Dual-por t DTI/PRI 65 CPU capacity Using a NT512 DDP card instead of DTI/PRI cards does not increase the load on the system CPU . The DDP replaces an ENET card and tw o DTI/PRI cards, it emulates the ENET card and the ov erall CPU capacity is not impacted by usage of DDP card instead of a DTI/PRI card. P ower requirements T able 17 "DDP[...]

  • Pagina 66

    66 ISDN Primar y Rate Interface equipment ov er view New DDP cab le assemblies include: • System T runk Tip/Ring Cables — NT5D16AA — NT5D17AA — QCAD133 • DDP to QPC471/QPC775 Clock Controller Cables — NTCG03AA — NTCG03AB — NTCG03A C — NTCG03AD • DDP to DCHI cables — NTCK46AA — NTCK46AB — NTCK46A C — NTCK46AD • DDP to M[...]

  • Pagina 67

    NT5D12 Dual-por t DTI/PRI 67 Figure 25 NT5D16AA T able 18 "NT5D16AA cable pins" (page 67) lists the pin attr ibutes f or the NT5D16AA cable . Ta b l e 1 8 NT5D16AA cable pins Cable Name Description Color DDP pins (J5) I/O Panel pins (J2, J3) 0 T-PRI0TX Trunk 0 Transmit Tip Black J5-1 P0J3-1 P0J2-3 0 R-PRI0TX Trunk 0 Transmit Ring Red J5-2[...]

  • Pagina 68

    68 ISDN Primar y Rate Interface equipment ov er view Cable Name Description Color DDP pins (J5) I/O Panel pins (J2, J3) 1 R-PRI1RX Trunk 1 Receive Ring White J5-8 P1J3-11 P1J2-10 1 GND Shield Wire Bare N/C Case P1 1 GND Shield Wire Bare N/C Case P1 Reference c lock cables The NTCG03AA (14 ft.), NTCG03AB (2.8 ft.), NTCG03A C (4.0 ft.), or NTCG03AD ([...]

  • Pagina 69

    NT5D12 Dual-por t DTI/PRI 69 Figure 27 NTCK46AA, NTCK46AB, NTCK46A C, NTCK46AD External MSDL cable The NTCK80 cable connects the DDP card to the NT6D80 MSDL card. The cable is a vailab le in f our different siz es: • NTCK80AA (6 ft.) - DDP to MSDL cable • NTCK80AB (18 ft.) - DDP to MSDL cable • NTCK80A C (35 ft.) - DDP to MSDL cable • NTCK8[...]

  • Pagina 70

    70 ISDN Primar y Rate Interface equipment ov er view Note: Since there exists se veral cloc k cabling options, none has been represented in the diagram. Please ref er to "Clock configurations" (page 72) f or a descr iption on each av ailable option. Figure 29 DDP cable for systems with an I/O panel Clock There are two types of clock oper[...]

  • Pagina 71

    NT5D12 Dual-por t DTI/PRI 71 As shown in Figure 30 "Clock Controller primar y and secondar y trac king" (page 71) , a system with dual CPUs can hav e two clock controllers (CC-0 and CC-1). One clock controller acts as a back-up to the other . Lock the clock controllers to the ref erence clock. Figure 30 Clock Contr oller primary and secon[...]

  • Pagina 72

    72 ISDN Primar y Rate Interface equipment ov er view In trac king mode, at any one time , there is one active cloc k controller which is trac king on one ref erence clock. If a clock controller error is detected, the system switches to the bac k-up clock controller , without aff ecting which ref erence clock is being trac ked. A ref erence-clock er[...]

  • Pagina 73

    NT5D12 Dual-por t DTI/PRI 73 A single CPU system has one Clock Controller card. This card can receive ref erence clocks from two sources ref erred to as the primar y and secondar y sources. These two sources can originate from a PRI, DTI, etc. PRI cards such as the QPC720 are capab le of supplying two ref erences of the same clock source . These ar[...]

  • Pagina 74

    74 ISDN Primar y Rate Interface equipment ov er view Ta b l e 2 0 Clock Contr oller options - description Clock Option Notes Option 1 This option provides a single CPU system with 2 clock sources derived from the 2 ports of the DDP. Connector Clk0 provides a clock source from Port 0. Connector Clk0 provides a clock source from Port 1. Refer to Figu[...]

  • Pagina 75

    NT5D12 Dual-por t DTI/PRI 75 Figure 31 Clock Contr oller - Option 1 Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, Nor tel Networks .[...]

  • Pagina 76

    76 ISDN Primar y Rate Interface equipment ov er view Figure 32 Clock Contr oller - Option 2 Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, Nor tel Networks .[...]

  • Pagina 77

    NT5D12 Dual-por t DTI/PRI 77 Figure 33 Clock Contr oller - Option 3 Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, Nor tel Networks .[...]

  • Pagina 78

    78 ISDN Primar y Rate Interface equipment ov er view Figure 34 Clock Contr oller - Option 4 Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, Nor tel Networks .[...]

  • Pagina 79

    79 DCH installation Contents The section contains inf ormation on the follo wing topics: "Install the NT6D11AB, NT6D11AE, NT6D11AF DCH" (page 79) "Install the NT6D11AB, NT6D11AE, NT6D11AF DCH" (page 79) "Set up the NT6D11AB, NT6D11AE, NT6D11AF DCHI" (page 80) "DIP switch settings" (page 80) "Protocol sel[...]

  • Pagina 80

    80 DCH installation Set up the NT6D11AB, NT6D11AE, NT6D11AF DCHI DIP switch settings The NT6D11AB/AE/AF has three sets of DIP switches . Each por t has its own bank of 10 DIP s witches (SW1 & SW2) to select the por t address (8 bits) and mode of operation (2 bits). SW1 is used f or por t 0 settings, SW2 is used f or por t 1 settings . SW3 is us[...]

  • Pagina 81

    Set up the NT6D11AB, NT6D11AE, NT6D11AF DCHI 81 Ta b l e 2 1 Protocol selection switc h settings Protocol Switch Setting SW3.1 SW3.2 DPNSS1 00 ISDN 11 V alid switc h combinations The f ollowing are the only allow able s witch setting combinations (not including address s witch settings). Po r t 0 P or t 0 can be configured as asynchronous ESDI, or[...]

  • Pagina 82

    82 DCH installation Jumper settings The NT6D11AB/AE/AF has two banks of option straps, one for each por t. These select between DCE and DTE operation and whether the signalling interf ace is RS232 or RS422. Ref er to Figure 36 "NT6D11 DCH with ISL high-speed programming jumper settings" (page 82) and Figure 37 "NT6D11 DCH with ISL lo[...]

  • Pagina 83

    Set up the NT6D11AB, NT6D11AE, NT6D11AF DCHI 83 Figure 37 NT6D11 DCH with ISL low-speed programming jumper settings P or t addressing modes P or t 0 Mode selection P or t 0 is used to select whether the asynchronous ESDI por t is be disabled or not. Refer to T able 24 "P or t 0 mode selection" (page 83) . Note: The asynchronous ESDI por t[...]

  • Pagina 84

    84 DCH installation Ta b l e 2 5 P or t 1 mode selection Port Mode Switch Setting SW2.1 SW2.2 Synchronous, D-channel, standard addressing Note: THIS SELECTION MUST BE MADE FOR ISDN. 00 Synchronous, D-channel, expanded addressing 01 Not used 10 Port disabled 11 P or t address switch settings P or t address switch settings in the standard mode, for I[...]

  • Pagina 85

    Install the NT6D11AB, NT6D11AE, NT6D11AF DCHI 85 Port Address Switch Setting Half Group No. Device No. S3 S4 S5 S6 S7 S8 S9 S10 1 4 00011 10 x 15 0 0 1 16-31 0 0 1 32-47 0 1 0 48-63 0 1 1 64-79 1 0 0 80-95 1 0 1 96-111 1 1 0 112-127 1 1 1 Install the NT6D11AB, NT6D11AE, NT6D11AF DCHI F ollow Procedure 1 "Install the NT6D11AB, NT6D11AE, NT6D11A[...]

  • Pagina 86

    86 DCH installation 5 Install the DCHI card into the assigned shelf and slot. 6 Connect DCHI por t J2 to the NT8D72AB or NT8D72BA PRI por t J5 with a QCAD328A cable . 7 Set f aceplate toggle s witch to ENABLE. 8 Coordinate the star t-up and verification of the DCHI with the star t-up of the PRI. 9 Enable the DCHI card using LD 96, command ENL DCHI[...]

  • Pagina 87

    Install the QPC757 DCH 87 —End— Install the QPC757 DCH Installation procedures f or the QPC757 DCHI card are the same f or all Large Systems. These procedures apply to both primar y and backup D-channels . See Figure 38 "QPC757 option and PRI/ISL high-speed programming s witch settings" (page 88) on page 115, Figure 39 "QPC757 op[...]

  • Pagina 88

    88 DCH installation —End— Figure 38 QPC757 option and PRI/ISL high-speed programming switc h settings Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, Nor tel Networks .[...]

  • Pagina 89

    Install the QPC757 DCH 89 Figure 39 QPC757 option and PRI/ISL low-speed programming switc h settings P or t address switch settings T able 27 "D-channel por t address s witch settings for PRI" (page 89) shows the por t address switch settings that apply to SW1, SW2 (the D-channel por t), SW3, and SW4. Ta b l e 2 7 D-channel port address s[...]

  • Pagina 90

    90 DCH installation D-channel parameter downloading The system software automatically downloads new par ameters to each D-channel Interf ace (DCHI) circuit card upon SYSLOAD . When this occurs, the D-channel is temporarily disabled and then automatically reenabled. Three situations require manual disab ling and enabling of each DCHI to ensure param[...]

  • Pagina 91

    91 NTBK51 DDCH installation and remo v al Contents This section contains information on the follo wing topics: "Introduction" (page 91) "Install NTBK51 DDCH on NT5D97 dual-por t DTI2/PRI2 card" (page 91) "Remov e NTBK51 DDCH from NT5D12 dual-por t DTI/PRI" (page 94) Introduction This chapter provides installation and r[...]

  • Pagina 92

    92 NTBK51 DDCH installation and removal The DDCH can be mounted on any NT5D97 DDP2 card. Set the address f or the DDCH (see the s witch settings section to set the address). If a DDCH is present on a DDP2 card then an e xter nal D-channel should not be connected to J6. If a DDCH is present the LED "DDCH" lights up . CA UTION The static di[...]

  • Pagina 93

    Install NTBK51 DDCH on NT5D12 dual-por t DTI/PRI 93 CA UTION A static discharge br acelet must be worn before handling circuit cards. F ailure to wear the bracelet can result in damage to the circuit cards. The NTBK51 can only be remov ed when it is disabled in software. Both por ts of the associated DDP2 card must be disabled. F ollow the steps in[...]

  • Pagina 94

    94 NTBK51 DDCH installation and removal Procedure 7 Install the NTBK51 DDCH on the NT5D12 dual-port DTI/PRI Step Action 1 Unpack and inspect the DDCH daughterboard. The DDCH comes with f our standoffs so that it can be mounted onto the DDP . These are easily pushed into f our corresponding mounting holes on the DDP . 2 Mount the NTBK51 DDCH so that[...]

  • Pagina 95

    95 MSDL installation f or all systems Contents The section contains inf ormation on the follo wing topics: "Install the MSDL" (page 95) "Replace the MSDL" (page 98) Install the MSDL Installation procedures for the MSDL card are the same for Large Systems. Use Procedure 9 "Install the MSDL card" (page 95) below . See Fi[...]

  • Pagina 96

    96 MSDL installation for all systems 3 Inser t the MSDL card into the selected card slot of the module f ollowing the card guides. 4 Obser ve the red LED on the MSDL f aceplate. If it tur ns on, flashes three times, and sta ys on continuously , the MSDL is operating correctly b ut is not yet enabled. If the LED tur ns on and sta ys on continuously[...]

  • Pagina 97

    Install the MSDL 97 Figure 40 MSDL card la yout Ta b l e 2 8 MSDL switch settings Port 0—SW4 Port 0—SW8 RS-232-D o ff o ff o ff o ff o ff o ff o ff o ff o ff o ff o ff o ff o ff o ff o ff o ff o ff o ff RS-422-A DTE o ff o ff o ff o ff o ff o ff o ff o ff o n o n o n o n o n o n o n o n o n o n RS-422-A DCE o n o n o n o n o n o n o n o n o ff [...]

  • Pagina 98

    98 MSDL installation for all systems RS-422-A DCE o n o n o n o n o n o n o n o n o ff o ff o ff o ff o ff o ff o ff o ff o ff o ff Port 2—SW2 Port 2—SW6 RS-232-D o ff o ff o ff o ff o ff o ff o ff o ff o ff o ff o ff o ff o ff o ff o ff o ff o ff o ff RS-422-A DTE o ff o ff o ff o ff o ff o ff o ff o ff o n o n o n o n o n o n o n o n o n o n [...]

  • Pagina 99

    Replace the MSDL 99 8 Connect the appropriate cab le between the NT6D80 and the PRI card MSDL interf ace. 9 Enable the MSDL card in LD 96. 10 Unplug the MSDL card and reinser t it. If the red LED still does not flash three times, lea ve the card installed f or approximately 10 minutes to allo w the card to be initialized. 11 After 10 minutes unplu[...]

  • Pagina 100

    100 MSDL installation for all systems Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, Nor tel Networks .[...]

  • Pagina 101

    101 NT8D72 and QPC720 PRI car d installation Contents The section contains inf ormation on the follo wing topics: "Introduction" (page 101) "PRI circuit pack locations" (page 101) "Cable requirements" (page 102) "Switch settings" (page 120) "Install NT8D72 and QPC720 PRI cards on Large Systems" (pag[...]

  • Pagina 102

    102 NT8D72 and QPC720 PRI card installation Note 2: This chapter includes instructions for installing an additional network shelf on a system (when no vacant Network slots are av ailable to install PRI packs, additional network shelves can replace Intelligent P eripheral Equipment shelv es located on the rear of the Common Equipment or Disk shelves[...]

  • Pagina 103

    Cable requirements 103 Multi Group systems, see Figure 51 "QPC720 Multi Group cabling without an echo canceller" (page 113) and Figure 52 "QPC720 Multi Group cabling with an echo canceller" (page 114) ; also refer to T ab le 32 "Cable f or the QPC720 PRI card on Multi Group systems" (page 118) . Figure 41 NT8D72(Half G[...]

  • Pagina 104

    104 NT8D72 and QPC720 PRI card installation Figure 42 NT8D72 (Half Gr oup cabling) f or Half and Single Gr oup systems, with an echo canceller Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, Nor tel Networks .[...]

  • Pagina 105

    Cable requirements 105 Figure 43 NT8D72 (Single Group cabling) for Half and Single Group systems, without an echo canceller Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, Nor tel Networks .[...]

  • Pagina 106

    106 NT8D72 and QPC720 PRI card installation Figure 44 NT8D72 (Single Gr oup cabling) f or Half and Single Gr oup systems, with an echo canceller Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, Nor tel Networks .[...]

  • Pagina 107

    Cable requirements 107 Figure 45 NT8D72 (Multi Gr oup cabling) for Multi Gr oup systems without an echo canceller Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, Nor tel Networks .[...]

  • Pagina 108

    108 NT8D72 and QPC720 PRI card installation Figure 46 NT8D72 (Multi Group cabling) f or Multi Group systems with an echo canceller Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, Nor tel Networks .[...]

  • Pagina 109

    Cable requirements 109 Figure 47 QPC720 (Half Group cabling) f or Multi Group systems without an echo canceller Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, Nor tel Networks .[...]

  • Pagina 110

    110 NT8D72 and QPC720 PRI card installation Figure 48 QPC720 (Half Group cab ling) for Multi Group systems with an echo canceller Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, Nor tel Networks .[...]

  • Pagina 111

    Cable requirements 111 Figure 49 QPC720 (Single Group cabling) f or Multi Group systems without an echo canceller Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, Nor tel Networks .[...]

  • Pagina 112

    112 NT8D72 and QPC720 PRI card installation Figure 50 QPC720 (Single Group cabling) for Multi Gr oup systems with an echo canceller Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, Nor tel Networks .[...]

  • Pagina 113

    Cable requirements 113 Figure 51 QPC720 Multi Group cabling without an echo canceller Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, Nor tel Networks .[...]

  • Pagina 114

    114 NT8D72 and QPC720 PRI card installation Figure 52 QPC720 Multi Group cabling with an echo canceller Ta b l e 2 9 Cable f or the NT8D72 PRI card f or Half and Single Group systems Cable From Des Con To Des Con To NTND26 PRI card J5 MSDL Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02[...]

  • Pagina 115

    Cable requirements 115 Cable From Des Con To Des Con To NT8D79AA PRI card J1 Clock contro ller CC-0 J2 Only when primary clock source. NT8D79AA PRI card J1 Clock contro ller CC-0 J1 Only when secondary clock source. For single-group only NT8D79AA PRI card J2 Clock contro ller CC-1 J2 Only when primary clock source. NT8D79AA PRI card J2 Clock contro[...]

  • Pagina 116

    116 NT8D72 and QPC720 PRI card installation Ta b l e 3 0 Cable f or the NT8D72 PRI card f or Multi Group systems Cable From Des. Con. To Des. Con. Notes QCAD130 PRI card J1 Clock contro ller CC-0 1 QCAD130 PRI card J1 Clock contro ller CC-0 2 QCAD130 PRI card J2 Clock contro ller CC-1 1 QCAD130 PRI card J2 Clock contro ller CC-1 2 QCAD110 Clock con[...]

  • Pagina 117

    Cable requirements 117 Cable From Des. Con. To Des. Con. Notes QCAD133 PRI card J4 Patch Panel 7 RS-232 PRI card J6 Echo Cance ller 7 Note 1: Only when primary clock source. Note 2: Only when secondary clock source. Note 3: multigroup junctor board connection. Note 4: Run to connector on network pack. Note 5: Run directly to DCHI card. Note 6: Run [...]

  • Pagina 118

    118 NT8D72 and QPC720 PRI card installation Cable From Des. Con. To Des. Con. Comments QCAD124 NT8D85xx QPC720 J3 Network Run directly to network card. QCAD328A QPC720 J5 QPC757 J2 Run directly to DCHI card. NTND26 QPC720 J5 NT6D80 QCAD133 I/O Panel Patch panel Run via cabinet I/O panel to CSU, Echo Canceller, or cross connect terminal. QCAD129 QPC[...]

  • Pagina 119

    Cable requirements 119 Cable From Des. Con. To Des. Con. Notes QCAD130 NT8D79xx QPC720 J2 QPC47 1 QCP77 5 CC-1 Only when secondary clock source QCAD110 NT8D74xx QPC471 QCP775 CC-0 J3 QPC417 JCTR J11 multigroup junctor board connection QCAD110 NT8D74xx QPC471 QCP775 CC-1 J3 QPC417 JCTR J12 QCAD124 NT8D85xx QPC720 J3 Network Run to connec tor on netw[...]

  • Pagina 120

    120 NT8D72 and QPC720 PRI card installation Cable From Des. Con. To Des. Con. Notes QCAD133 NT8D83xx QPC720 J4 Patch Panel Run via cabinet I/O panel to Echo Canceller or crossconnect terminal from non-shielded system RS-232 QPC720 J6 Echo Canceller Run via cabinet I/O panel to Echo Canceller or crossconnect terminal from non-shielded system Switch [...]

  • Pagina 121

    Switch settings 121 Figure 53 NT8D72AA, NT8D72AB, NT8D72BA PRI DIP s witch settings for Large Systems Note: F or EuroISDN applications, use the def ault setting (120 ohms). Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, No[...]

  • Pagina 122

    122 NT8D72 and QPC720 PRI card installation Figure 54 QPC720 switch settings for Half and Single Group systems Ta b l e 3 3 NT8D72 and QPC720 PRI transmission equalization switch settings for Large Systems Switch S2 settings To repeater facility To crossconnect point 5o n 0 - 45 m (0 - 150 ft) 0 - 30 m (0 - 100 ft) 2, 4, 6 on 46 - 135 m (151 - 450 [...]

  • Pagina 123

    Install NT8D72 and QPC720 PRI cards on Large Systems 123 Install NT8D72 and QPC720 PRI car ds on Lar g e Systems Use Procedure 11 "Install the NT8D72 and QPC720 PRI on Large Systems" (page 123) to install the NT8D72 and QPC720 PRI cards on Large Systems. Procedure 11 Install the NT8D72 and QPC720 PRI on Large Systems Step Action 1 Determi[...]

  • Pagina 124

    124 NT8D72 and QPC720 PRI card installation 7 Run and connect the PRI cables. 8 If required, install connecting bloc ks at MDF or wall-mounted crossconnect terminal. 9 If required, designate connecting b locks at MDF or wall-mounted crossconnect terminal. 10 If required, install CSU or Echo Canceller . 11 Crossconnect PRI circuits. 12 Add related o[...]

  • Pagina 125

    Install an additional network shelf 125 —End— Install an additional network shelf Use Procedure 13 "Install an additional network shelf on Half Group and Single Group systems" (page 125) to install an additional network shelf, when additional shelf space is required f or PRI cards on Half Group and Single Group systems. A QUD15 coolin[...]

  • Pagina 126

    126 NT8D72 and QPC720 PRI card installation 8 Plug one of the two connectors at the other end of the C11 or C21 connector that was remov ed. 9 Plug the remaining connector of the QCAD172A power cab le into the added QUD15. 10 Adjust the QCAD111 power wiring har ness, untie and then connect: • the C17 power connection cable to the right rear Netwo[...]

  • Pagina 127

    127 NT5D97 Dual-por t DTI2/PRI2 installation and remo v al Contents The section contains inf ormation on the follo wing topics: "Introduction" (page 127) "NT5D97 circuit card locations" (page 127) "P or t definitions" (page 128) "Case Scenarios for replacing a digital trunk NT8D72BA, QPC536E, or NTCK43 by a DDP2 [...]

  • Pagina 128

    128 NT5D97 Dual-por t DTI2/PRI2 installation and removal P ort definitions Since the NT5D97 card is a dual-card, it equips two por ts; these por ts can be defined in the following combinations: Ta b l e 3 5 NT5D97AA/AB loops configuration Loop 0 not configured DTI2 PRI2 not configured V V V DTI2 V V V Loop 1 PRI2 V V V Ta b l e 3 6 NT5D97AD loop[...]

  • Pagina 129

    NT5D97AA/AB DIP switch settings 129 Case 3 - The network shelf is full, one por t of a QPC414 network card is connected to a digital tr unk, and the second is connected to a per ipheral buff er . This arrangement is repeated for another QPC414. The digital trunks are located in a shelf that provides only power . In this case, the per ipheral b uffe[...]

  • Pagina 130

    130 NT5D97 Dual-por t DTI2/PRI2 installation and removal Figure 55 DIP switches f or NT5D97AA/AB The f ollowing parameters are set b y DIP switches. The boldf ace font sho ws the f actor y setup . Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Co[...]

  • Pagina 131

    NT5D97AA/AB DIP switch settings 131 T runk interface switches f or NT5D97AA/AB Impedance level and unit mode The S9/S15 switch selects the impedance lev el and loop operation mode on DEI2 OR PRI2. Ref er to T ab le 38 "Impedance lev el and loop mode switch settings" (page 131) . Ta b l e 3 8 Impedance level and loop mode switch settings S[...]

  • Pagina 132

    132 NT5D97 Dual-por t DTI2/PRI2 installation and removal Receiver impedance A per-tr unk set of four DIP s witches (S8/S14 provides selection between 75 or 120 ohm values. Refer to T able 41 "T runk interf ace impedance switch settings" (page 132) . Ta b l e 4 1 T runk interface impedance switch settings Description S8/S14 switch setting [...]

  • Pagina 133

    NT5D97AA/AB DIP switch settings 133 Ta b l e 4 3 DCH mode and address switch settings Switch Description S3 switch setting 1-4 D-channel daughterboard address See table 5-8 For future use OFF T able 51 "Ring ground s witch f or NT5D97AD" (page 137) shows the possib le selections of the NTBK51AA D-channel. Ta b l e 4 4 NTBK51AA daughterboa[...]

  • Pagina 134

    134 NT5D97 Dual-por t DTI2/PRI2 installation and removal NT5D97AD DIP switc h settings The NT5D97 DDP2 card is equipped with 6x2 sets of DIP switches f or trunk parameters settings for por t 0 and por t 1 respectively . Additionally , the DDP2 card is equipped with one set of f our DIP switches f or the Ring Ground setting. The NT5D97AA/AB has one [...]

  • Pagina 135

    NT5D97AD DIP switch settings 135 Figure 56 Dip switches locations for NT5D97AD The f ollowing parameters are set b y DIP switches. The boldf ace font sho ws the f actor y setup . Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-20[...]

  • Pagina 136

    136 NT5D97 Dual-por t DTI2/PRI2 installation and removal T runk interface switches for NT5D97AD T runk 0 switches Switch S12 gives the MPU inf or mation about its environment as shown in T able 46 "General purpose s witches for NT5D97AD" (page 136) . Ta b l e 4 6 General purpose switches f or NT5D97AD Switch Description S9/S15 Switch Sett[...]

  • Pagina 137

    NT5D97AD DIP switch settings 137 Ta b l e 4 9 Receiver interface switches f or NT5D97AD Impedance S6-1 S6-2 S6-3 S6-4 75 ohm OFF OFF ON OFF 120 ohm OFF OFF OFF ON T runk 1 switches for NT5D97AD Ta b l e 5 0 T runk 1 switches Switch Function S7 General Purpose ...See Table 46 "General purpose switches for NT5D97AD" (page 136) S10 TX Mode .[...]

  • Pagina 138

    138 NT5D97 Dual-por t DTI2/PRI2 installation and removal Ta b l e 5 2 NTBK51AA DCH switches f or NT5D97AD Switch number Function S9_1-4 DCH daughter card address S9_5-8 Set to OFF S9_9 Set to ON (NTBK51AA Mode) S9_10 Set to ON (NTBK51AA Mode) MSDL external car d T able 53 "Switch settings f or MSDL e xter nal card" (page 138) lists the s [...]

  • Pagina 139

    Install the NT5D97 DDP2 139 Switch Setting DNUM (LD 17) 1234 13 ON OFF ON ON 14 OFF ON ON ON 15 ON ON ON ON Install the NT5D97 DDP2 Use Procedure 14 "Install the NT5D97 on Large Systems" (page 139) to install the NT5D97 on Large Systems. CA UTION The static discharge bracelet located inside the cabinet must be worn before handling circuit[...]

  • Pagina 140

    140 NT5D97 Dual-por t DTI2/PRI2 installation and removal CA UTION Clock Controller cables connecting the Clock Controller and NT5D97 card must NOT be routed through the center of the cabinet past the power harness. Instead they should be routed around the outside of the equipment shelves. 9 If required, install connecting bloc ks at the MDF or wall[...]

  • Pagina 141

    Configure the NT5D97 DDP2 141 Procedure 15 Remove the NT5D97 fr om Large Systems Step Action 1 Determine the cabinet and shelf location of the NT5D97 card to be remov ed. 2 Disable the Network Loop using LD 60. The command is DISL "loop number ." The associated DCHI might have to be disab led first. The f aceplate s witch ENB/DIS should[...]

  • Pagina 142

    142 NT5D97 Dual-por t DTI2/PRI2 installation and removal Consider the f ollowing when configur ing the NT5D97 DDP2 card: • The system software allows f our por ts to be defined for the NT6D80 MSDL. The DDCH (NTBK51AA) card has only two por ts, 0 and 1; theref ore, por ts 2 and 3 must not be defined when using the NTBK51AA. • P or t 0 of the [...]

  • Pagina 143

    143 NT5D12 Dual-por t DTI/PRI car d installation Contents The section contains inf ormation on the follo wing topics: "Introduction" (page 143) "NT5D12 circuit card locations" (page 143) "Port definitions" (page 144) "Scenarios for replacement of a digital trunk card (QPC720/QPC472) by a DDP card" (page 144) [...]

  • Pagina 144

    144 NT5D12 Dual-por t DTI/PRI card installation P ort definitions Since the NT5D12 card is dual-card, it equips two por ts. These por ts are defined in the f ollowing combinations: Port 0 Port 1 DTI DTI DTI PRI PRI DTI PRI PRI DTI Not configured PRI Not configured Not configured PRI Not configured DTI Scenarios for replacement of a digital trunk [...]

  • Pagina 145

    NT5D12 switch settings 145 Note in all cases - If a QPC720 card is being replaced b y a DDP card, the D-channel Handler or MSDL can be either reconnected to the DDP card, or remov ed if an onboard NTBK51AA DDCH card is used. NT5D12 switc h settings The NT5D12 card is equipped with 6x2 sets of DIP s witches f or tr unk parameters settings f or por t[...]

  • Pagina 146

    146 NT5D12 Dual-por t DTI/PRI card installation Ta b l e 5 6 T runk interface transmission mode switch settings Description S4/S10 Switch Setting For future use. OFF T1 ON Line Build Out A per-trunk set of three switches provides a selection between 0, 7.5 or 15 dB values . See T ab le 57 "T r unk interf ace line build out s witch settings&quo[...]

  • Pagina 147

    NT5D12 switch settings 147 Ta b l e 5 9 Ring ground switch settings Switch Description S2 Switch Setting 1 Trunk 0 Transmit OFF - Ring line is not grounded ON - Ring line is grounded 2 Trunk 0 Receive OFF - Ring line is not grounded ON - Ring line is grounded 3 Trunk 1 Transmit OFF - Ring line is not grounded ON - Ring line is grounded 4 Trunk 1 Re[...]

  • Pagina 148

    148 NT5D12 Dual-por t DTI/PRI card installation Ta b l e 6 1 NTBK51AA daughterboard address select switc h settings Device Address 1 Switch Setting 0 2 OFF OFF OFF OFF 1 ON OFF OFF OFF 2 OFF ON OFF OFF 3 ON ON OFF OFF 4 OFF OFF ON OFF 5 ON OFF ON OFF 6 OFF ON ON OFF 7 ON ON ON OFF 8 OFF OFF OFF ON 9 ON OFF OFF ON 10 OFF ON OFF ON 11 ON ON OFF ON 12[...]

  • Pagina 149

    NT5D12 switch settings 149 Figure 57 Switch functional areas on the NT5D12 Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, Nor tel Networks .[...]

  • Pagina 150

    150 NT5D12 Dual-por t DTI/PRI card installation Figure 58 NT5D12 switch default settings Install the NT5D12 DDP Use Procedure 16 "Install the NT5D12 on Large Systems" (page 151) to install the NT5D12 on Large Systems. CA UTION The static discharge bracelet located inside the cabinet must be worn before handling circuit cards. F ailure to [...]

  • Pagina 151

    Install the NT5D12 DDP 151 Procedure 16 Install the NT5D12 on Large Systems Step Action 1 Determine the cabinet and shelf location where the NT5D12 card is to be installed. The NT5D12 can be installed in any card slot in the Network bus , subject to the cautionar y note below . CA UTION Some installed-based systems can hav e a Bus T er minating Uni[...]

  • Pagina 152

    152 NT5D12 Dual-por t DTI/PRI card installation 11 If required, install Network Channel T er minating Equipment (NCTE). 12 Enable faceplate s witch S1. This is the "Loop Enab le" switch. The f aceplate LEDs should go on f or 4 seconds then go off and the OOS, DIS and A CT LEDs should go on again and stay on. IF DDCH is installed, the DCH [...]

  • Pagina 153

    Configure the NT5D12 DDP 153 CA UTION Clock Controller cables connecting the Clock Controller and NT5D12 card must NOT be routed through the center of the cabinet past the power harness. Instead they should be routed around the outside of the equipment shelves. 7 Determine if the other circuit of a NT5D12 card is in use. DO NO T remov e the card i[...]

  • Pagina 154

    154 NT5D12 Dual-por t DTI/PRI card installation Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, Nor tel Networks .[...]

  • Pagina 155

    155 Cloc k Contr oller description and installation Contents The section contains inf ormation on the follo wing topics: "Introduction" (page 156) "Description" (page 156) "Need for synchronization" (page 156) "Supported Clock Controllers" (page 157) "Synchronization methods" (page 158) "Hierar[...]

  • Pagina 156

    156 Clock Controller description and installation Introduction This chapter introduces the NTRB53 Clock Controller , and provides procedures on how to install this clock controller on Large Systems. The NTRB53 Clock Controller replaces the QPC471H and QPC775F in new systems. QPC471H and QPC775F Clock Controllers continue to be suppor ted. Note: The[...]

  • Pagina 157

    Description 157 When only two switches are interconnected, synchronization can be achie ved b y operating the two systems in a master/slav e mode whereby one system derives its timing from the other . How ev er , in a network of digital systems, slips can be better prev ented by f orcing all digital systems to use a common reference cloc k (see Fig[...]

  • Pagina 158

    158 Clock Controller description and installation ENL CC x FDL Enable Clock in side x with the force download option If the optional parameter is not specified, then downloading is conditional. This means that the v ersion number of the loadw are on the clock controller card will be chec ked against the v ersion number stored on the system disk. I[...]

  • Pagina 159

    Description 159 In an isolated pr ivate netw or k, the cloc k controller can oper ate in free run mode and act as a master clock to be track ed by other PBX systems in the pr iv ate network. Hierarc hical synchronization Figure 59 "Hierarchical Synchronization" (page 159) provides a general view of the Digital Network Clock Synchronizatio[...]

  • Pagina 160

    160 Clock Controller description and installation Stratum levels In a digital network, nodes are synchronized using a priority master/slav e method. Digital nodes are rank ed in Stratum lev els 1 to 5. Each node is synchronized to the highest r anking node in its neighborhood with which it has a direct link. Ref er to T able 62 "Node categor i[...]

  • Pagina 161

    Description 161 A 1.5 Mb yte PRI contains a buff er large enough to hold about 2 full DS-1 frames (193 x 2 = 386). A 2 Mbyte PRI contains a b uffer large enough to contain 2 full frames (256 x 2 = 512 bits). The buff er is nor mally kept half full (1 frame). Slippage has impact on the data being transf erred, as is shown in Ta b l e 6 3 "P erf[...]

  • Pagina 162

    162 Clock Controller description and installation While it is bey ond the scope of this discussion to provide detailed Network Synchronization, the follo wing e xamples illustrate some of the basic concepts to achie ve stable clocking. Figure 60 Example 1, Isolated Private Network In this e xample, there is no digital connection to the Central Of?[...]

  • Pagina 163

    Description 163 Figure 62 Example 3, Clocking Hierar chy referenced to a Public Network Master Clock This is an example of a "ST AR" arrangement— one Hub PBX is linked to the Central Office and all other PBXs are connected as slav es. When a second Digital loop from the system which f or ms the hub of this network becomes av ailable , [...]

  • Pagina 164

    164 Clock Controller description and installation Figure 63 Example 4, Alternate Clocking from the same CO In this case, a digital connection to the Central Office can e xist (i.e. Loops X and Y). When a second Digital loop from the CO or Master M-1 becomes av ailable , it can be used as a Secondar y Clock Source in case the Primar y Source f ails[...]

  • Pagina 165

    Description 165 Figure 64 Example 5, digital connection to the CO In this e xample, digital connections to the Central Office do exist. When a second Digital loop from the CO becomes av ailable, it can be used as a Secondar y Clock Source in case the Primar y Source fails . Slav es can track on each other as a secondar y source since the chances o[...]

  • Pagina 166

    166 Clock Controller description and installation Figure 65 Example 6, Complex Isolated Private Network Digital connections to the Central Office do not exist in this example . If it does, the PBX connected to it will track off the CO and will in tur n be used as a clock source to other nodes. When a second Digital loop from the Master system beco[...]

  • Pagina 167

    Description 167 Figure 66 Example 7, Network Cloc king with MUX In this e xample, the direct connection to the CO (without a MUX) should be used as a primar y clock ref erence because this is where the least amount of hardware is in volv ed. The MUX must pass the clock and not generate its own cloc k; in other words, it must be a slav e (not F ree [...]

  • Pagina 168

    168 Clock Controller description and installation Free run (non-tracking) mode The clock synchronization f or a PRI loop can operate in free-run mode if: • the loop is not defined as the primar y or secondar y cloc k ref erence • the primar y and secondar y ref erences are disabled • the primar y and secondar y references are in a local alar[...]

  • Pagina 169

    Installation procedures 169 Ta b l e 6 4 Clock Contr oller shelves and slots System Shelf Slot(s) Half Group, Single Group NT6D39 CPU/NET 9 Multi Group NTDA35 Network Module 13 Set switches Bef ore installing a cloc k controller , set the s witches as shown in Ta b l e 6 5 "Clock Controller s witch settings f or QPC471 vintage H" (page 16[...]

  • Pagina 170

    170 Clock Controller description and installation SW1 SW2 SW4 System 1 2 3 4 1 2 3 4 1 2 3 4 *Cable length between the J3 faceplate connectors: 0–4.3 m (0–14 ft) off off 4.6–6.1 m (15–20 ft) off on 6.4–10.1 m (21–33 ft) on off 10.4–15.2 m (34–50 ft) on on * If there is only one clock controller card in the system, set to OFF. If the[...]

  • Pagina 171

    Installation procedures 171 Note: Switches 7 and 8 are not used. Start the Clock Controller The clock controller , when first enabled, is in free run mode. It sta ys in this mode f or sev eral minutes bef ore being switched to trac king mode. Manual mode setting is possible using LD 60. All clock controllers begin trac king within approximately 15[...]

  • Pagina 172

    172 Clock Controller description and installation 4 Set the ENL/DIS toggle switch to DIS (disab le). 5 Replacing a clock controller , do the f ollowing: • P erf or m a status check on the clock with the SSCK command in LD 60. The new controller should hav e the same status. Note: ERR20 messages can be generated. These can usually be ignored. Howe[...]

  • Pagina 173

    Installation procedures 173 TRCK PCK (for primary) SCLK (for secondary) FRUN (for free-run) 14 Issue the status check command, SSCK. Note: In order for the clock enhancement f eature in the clock controller (NTRB53) to be fully functional, the user must issue a manual INI to activate the cloc k enhancement feature . —End— Install or replace a C[...]

  • Pagina 174

    174 Clock Controller description and installation Note 2: ERR20 messages can be generated. These can usually be ignored. Howe ver , excessiv e clock s witching should be av oided, especially when counters are near the maintenance or out-of-ser vice thresholds. Excessive s witching could generate threshold-e xceeded messages or cause the PRI to be a[...]

  • Pagina 175

    Installation procedures 175 Upgrade to an NTRB53 Clock Controller on a Single Gr oup and Multi Group System F ollow these procedures to replace the existing cloc k controller with the NTRB53 Clock Controller on Large Systems. Note: The NTRB53 Clock Controller cannot be combined with a QPC775 or a QPC471 card in one system. Procedure 20 Remove old e[...]

  • Pagina 176

    176 Clock Controller description and installation 4 Set the ENL/DIS s witch to DIS on the card you are removing. 5 T ag and disconnect the cables to the card y ou are removing. 6 Unhook the loc king devices on the card and pull it out of the card cage. —End— F ollow these procedures to install new equipment with Clock Controller on Large System[...]

  • Pagina 177

    Installation procedures 177 LD 135 SCPU Switch CPU Note: W ait two minutes before proceeding to the next step . CA UTION The follo wing procedure to faceplate disab le the active clock controller could impact service. 9 Disable the f aceplate of the active cloc k controller to f orce the newly installed clock controller to activ ate. 10 Disconnect [...]

  • Pagina 178

    178 Clock Controller description and installation 16 Inser t the replacement card into the selected slot and hook the locking de vices. 17 Connect the ref erence cables (J1 and J2) and the clock-to-cloc k cable (J3) to the replacement card. 18 Set the ENB/DIS switch to ENB on the replacement card. 19 Disable the software and enab le the card. At th[...]

  • Pagina 179

    179 ISL installation Contents The section contains inf ormation on the follo wing topics: "ISL configurations" (page 179) "DCHI switch settings" (page 180) "MSDL switch settings" (page 181) "Shared mode" (page 179) "Dedicated mode using leased line" (page 183) "Dedicated mode using dialup modem[...]

  • Pagina 180

    180 ISL installation DCHI switc h settings F or ISL functions, use the f ollowing s witch settings for the J2 por t: • RS-232 f or 19.2 Kbps and below • HS (RS-422) f or speeds above 19.2 Kbps • External clock (in LD 17) provided by modem, ADM, or ASIM, otherwise DCHI will be r unning at 64 Kbps • DTE de vice configuration Figure 67 "[...]

  • Pagina 181

    MSDL switch settings 181 Figure 68 NT6D11AB, NT6D11AD DCHI with ISL low-speed pr ogramming jumper settings MSDL switc h settings F or ISL functions, use the f ollowing s witch settings. • DTE f or high speed programming; • RS-232 f or 19.2 Kbps and below; • External clock (in LD17) provided b y modem, ADM, or ASIM, HSDM: otherwise, DCH runs a[...]

  • Pagina 182

    182 ISL installation Figure 69 MSDL/ISL settings Shared mode In shared mode, the D-channel is provided b y the DCHI or MSDL card and PRI. The hardware configur ation is basically the same as the ISDN PRI D-channel. See Figure 70 "ISL in shared mode" (page 183) . Shared mode is established through ser vice change in LD17, prompt USR, with[...]

  • Pagina 183

    Dedicated mode using leased line 183 Figure 70 ISL in shared mode Dedicated mode using leased line In this configuration, the D-channel connects the DCHI or MSDL to a modem which communicates with a f ar-end modem over a dedicated leased line. See Figure 71 "ISL dedicated mode, using leased line" (page 183) .A 2400 baud D-channel can sup[...]

  • Pagina 184

    184 ISL installation Dedicated mode using dialup modem In this configuration, the DCHI or MSDL is connected to a modem which is connected to a 500 set line card. See Figure 73 "ISL dedicated mode, using dialup Ha yes Smar tmodem 2400" (page 186) . The call is connected to the f ar end through the analog (500/2500 type set) -to-TIE trunk [...]

  • Pagina 185

    Dedicated mode using dialup modem 185 T able 68 "Active and stored profiles of the autodial or or iginating modem" (page 185) and T able 69 "Active and stored profiles of the auto answ er or ter minating modem" (page 185) . After the software par ameters hav e been set up, the JP1 jumpers behind the front f aceplate of the Ha [...]

  • Pagina 186

    186 ISL installation B1 E1 L2 M1 Q0 V1 X4 Y0 &C0 &D0 &G0 &J0 &L0 &P0 &Q0 &R0 &S0 &X0 S00:000 S14:AAH S18:000 S21:00H S22:76H S23:17H S25:005 S26:001 S27:40H Telephone numbers: &Z0= &Z1= &Z2= &Z3= Figure 73 ISL dedicated mode, using dialup Hay es Smar tmodem 2400 Dedicated mode using PRI/DTI tr[...]

  • Pagina 187

    Dedicated mode using dialup modem 187 Set the HSDM or ASIM must be in synchronous mode. A data rate of 9.6 Kbps is recommended because it provides inter nal error detection and correction. The following data rates are also suppor ted: 1.2 Kbps, 2.4 Kbps, 3.6 Kbps, 4.8 Kbps, 7.2 Kbps , 14.4 Kbps, 19.2 Kbps, 38.4 Kbps, and 56 Kbps f or ASIM. The High[...]

  • Pagina 188

    188 ISL installation • Modem/Network, Modem • A uto Answ er , On • Loopback, Off Note 1: Set only one side of the interf ace to or iginate the hot line. Note 2: Forced Data T erminal Ready (DTR) automatically reinitiates a dropped hot line call. QMT8 switch settings If the QMT8 Asynchronous Data Module (ADM) is used, set the s witches as f ol[...]

  • Pagina 189

    ISL installation 189 Note 2: Forced Data T erminal Ready (DTR) automatically reinitiates a dropped hot line call. ISL installation Use Procedure 22 "Install ISL in dedicated mode" (page 189) to install ISL in dedicated mode. Use Procedure 23 "Install ISL in shared mode" (page 189) to install ISL in shared mode. Modem paths must [...]

  • Pagina 190

    190 ISL installation USR = SHA ISLM = Number of tr unks handled by this D-channel (1-382) 3 In LD16, build a PRI route data bloc k. This is the same route you just remov ed in step 1. ISDN = YES 4 In LD16 b uild another route data b lock to correspond to the IAS routes. 5 In LD14, assign trunks to the newly configured routes . —End— Nor tel Co[...]

  • Pagina 191

    191 Echo canceller installation Contents The section contains inf ormation on the follo wing topics: "Introduction" (page 191) "Echo canceller operating parameters" (page 191) "Echo canceller initialization procedures" (page 191) "PRI to Echo canceller pin assignments" (page 192) "Electromagnetic Interf [...]

  • Pagina 192

    192 Echo canceller installation • Canceller only: OFF • H reset: OFF • H hold: OFF PRI to Echo canceller pin assignments The echo canceller is controlled by an RS-232 por t on the PRI circuit pack. The follo wing tables give the echo canceller pin assignments, operating parameters and initialization procedures. See T able 70 "PRI-to-Echo[...]

  • Pagina 193

    Electromagnetic Interference 193 Figure 75 PRI to echo canceller cabling Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, Nor tel Networks .[...]

  • Pagina 194

    194 Echo canceller installation Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, Nor tel Networks .[...]

  • Pagina 195

    195 1.5 Mb PRI implementation Contents This section contains information on the follo wing topics: "Overview" (page 195) "Hardware requirements" (page 195) "Hardware description" (page 196) "Install PRI hardware" (page 203) Overview Digital trunks are suppor ted in the Small System cabinet, the IP expansion c[...]

  • Pagina 196

    196 1.5 Mb PRI implementation Circuit card Description NTAK20 Clock-controller daughterboard. Small Systems supports only one active clock controller per system or IP expansion cabinet. Note: Every cabinet/Media Gateway that contains a digital trunk must contain a clock controller. NTAK93 D-channel-handler (DCH) interface daughterboard. NTBK51BA Do[...]

  • Pagina 197

    Hardware description 197 Ta b l e 7 2 Media Gatewa y and Media Gatewa y Expansion slot assignments Media Gateway/Media Gateway Expansion First Second Third Fourth Physical card slot Logical card slot Physical card slot Logical card slot Physical card slot Logical card slot Physical card slot Logical card slot 1 11 1 21 1 31 1 41 2 12 2 22 2 32 2 42[...]

  • Pagina 198

    198 1.5 Mb PRI implementation Figure 76 NTRB21 TMDI card faceplate NT AK09 DTI/PRI circuit car d The NT AK09 Digital T runk Interf ace/Pr imar y Rate Interf ace (DTI/PRI) card provides the ph ysical interf ace for the DS-1 f acility T-1 carr ier on the system. It is required for PRI and DTI operation and is also used f or ISL shared-mode applicatio[...]

  • Pagina 199

    Hardware description 199 Shelf slot assignments F or cabinet systems, the NT AK09 DTI/PRI card can be placed in main and e xpansion cabinets in any single card slot given in T able 74 "Shelf slot assignments f or NTRB21, NT AK09, and NT AK20" (page 202) . Digital trunk cards are not suppor ted in the Media Gatew ay Expansion. Figure 77 NT[...]

  • Pagina 200

    200 1.5 Mb PRI implementation Note: Clocking slips can occur between systems that are clock ed from diff erent COs, if the COs are not synchronized. The slips can degrade voice quality . The Clock Controller circuitr y synchronizes the system to an external ref erence clock, and generates and distributes the clock to the system. A Small System can [...]

  • Pagina 201

    Hardware description 201 Free-run (non-tracking) In free-r un mode, the clock controller does not synchronize on any source , it provides its own internal clock to the system. This mode can be used when the system is used as a master clock source f or other systems in the network. F ree-r un mode is undesirab le if the system is intended to be a sl[...]

  • Pagina 202

    202 1.5 Mb PRI implementation Shelf slot assignments for NTRB21, NT AK09 and NT AK20 T able 74 "Shelf slot assignments f or NTRB21, NT AK09, and NT AK20" (page 202) provides the shelf slot assignments f or the NTRB21 TMDI card, NT AK09 DTI/PRI card, and NT AK20 Clock Controller daughterboard in Small Systems. The NT AK 93 DCH and NTBK51BA[...]

  • Pagina 203

    Install PRI hardware 203 This allows a total of 382 B-channels or PRI tr unks to be suppor ted if a backup D-channel is also used. A total of 383 B-channels or PRI tr unks are suppor ted if a backup channel is not used. NTBK51B A Downloadable D-channel (DDCH) daughterboar d The NTBK51BA DDCH daughterboard interf aces with the Small System Central P[...]

  • Pagina 204

    204 1.5 Mb PRI implementation 4 Slowly low er the daughterboard towards the NTRB21, keeping the standoffs in line with all four holes, until the holes are resting on the tops of the f our standoffs. If more than a v er y slight amount of pressure is required at this point, the connector pins cannot be aligned with the connector soc ket. If so , lif[...]

  • Pagina 205

    Install PRI hardware 205 The NTRB21 card is installed only in the Media Gate wa y . It is not suppor ted in the Media Gatewa y Expansion. Procedure 25 Inserting the NTRB21 TMDI card Step Action 1 Check f or av ailable card slots in the base cabinet and print the configuration record to deter mine which slots can be used. T o do this, enter the f o[...]

  • Pagina 206

    206 1.5 Mb PRI implementation Procedure 26 Removing the NTRB21 TMDI card Step Action 1 If in PRI mode, enter the following command in LD 96 to software disable the D-channel: DIS DCH x where x is the DCH por t number that was assigned in LD 17. 2 If the Clock Controller is enabled, enter the f ollowing command in LD 60 to software disable it: DIS C[...]

  • Pagina 207

    Install PRI hardware 207 sock ets, align the mounting holes on the daughterboard ( Figure 79 "Daughterboard installation on the NT AK09" (page 208) ) with the tops of the standoffs on the NT AK09. 4 Slowly lo wer the daughterboard toward the NT AK09, keeping the standoffs in line with all f our holes, until the holes rest on top of the f [...]

  • Pagina 208

    208 1.5 Mb PRI implementation Figure 79 Daughterboard installation on the NT AK09 Set switches on NT AK09 DTI/PRI card Set the s witches on the NT AK09 DTI/PRI card according to Ta b l e 7 5 "NT AK09 switch settings" (page 208) . Ta b l e 7 5 NT AK09 switch settings Distance to digital cross connect 1 DCH F/W 2 (LEN 0) 3 (LEN 1) 4 (LEN 2)[...]

  • Pagina 209

    Install PRI hardware 209 Installing the NT AK09 Ref er to T able 74 "Shelf slot assignments for NTRB21, NT AK09, and NT AK20" (page 202) to deter mine the slot assignment f or the NT AK09 DTI/PRI circuit card appropr iate to the system. The NT AK09 DTI/PRI card is installed only in the Media Gatewa y . It is not suppor ted in the Media Ga[...]

  • Pagina 210

    210 1.5 Mb PRI implementation Ta b l e 7 6 DS-1 line interface pinout for NTBK04 cable From 50-pin MDF connector To DB-15 Signal name Description pin 48 pin 1 T transmit tip to network pin 23 pin 9 R transmit ring to network pin 25 pin 2 FGND frame ground pin 49 pin 3 T1 receive tip from network pin 24 pin 11 R1 receive ring from network —End— [...]

  • Pagina 211

    Install PRI hardware 211 —End— Procedure 32 Enabling the NT AK09 DTI/PRI card Step Action The DCHI and PRI cards must be configured prior to software enabling the NT AK09. Refer to the procedure Procedure 33 "Implementing basic PRI" (page 212) f or fur ther inf or mation. 1 Enter the f ollowing command in LD 60 to software enab le al[...]

  • Pagina 212

    212 1.5 Mb PRI implementation PRI cards must be configured before defining the DCH links or PRI applications. Prompts which do not show a response can be left as default. F or more inf or mation on any of these prompts, ref er to Software Input Output Administration (NN43001-611) . Bef ore installing PRI cards in an IP e xpansion cabinet/Media Ga[...]

  • Pagina 213

    Install PRI hardware 213 LD 17 - Adding a D-channel interface Prompt Response Description REQ CHG Change existing data. TYPE ADAN Action Device And Number. - ADAN NEW DCH xx CHG DCH xx OUT DCH xx Add a primary D-channel (any unused SDI port.) Change a primary D-channel. Remove the primary D-channel, where: xx =0-79. - CTYP DCHI MSDL TMDI DCHI = D-c[...]

  • Pagina 214

    214 1.5 Mb PRI implementation Prompt Response Description - LAPD YES (NO) Change LAPD parameters. Enter carriage return if timers are to be left at default. The following timers are prompted only if LAPD is set to YES. (They can all be left at default during initial setup.) - - T23 1-(20)-31 Interface guard timer checks how long the interface takes[...]

  • Pagina 215

    Install PRI hardware 215 Prompt Response Description Special Number. Location Code ISDN YES Customer is equipped with ISDN. - PNI (0) 1-32700 Private Network Identifier. Each customer data block must have a unique PNI when multi-customer option is equipped. PNI = 1 is typical for CUST = 0. It must be matched by the PNI in the far-end RDB. Note: Usi[...]

  • Pagina 216

    216 1.5 Mb PRI implementation Prompt Response Description - - PNI (0) 1-32700 Private Network Identifier. Each customer data block must have a unique PNI when multi-customer option is equipped. PNI = 1 is typical for CUST = 0. It must be matched by the PNI in the far-end RDB. Note: Using the default value of PNI = 0, prevents operation of features [...]

  • Pagina 217

    Install PRI hardware 217 Prompt Response Description RTMB 0-511 1-510 Route number and Member number Range for Large System and CS 1000E system. 0-127 1-4000 Range for Meridian 1 Small System, Media Gateway 1000B. LD 73 - Defining system timers and cloc k controller parameters Prompt Response Description REQ CHG Change existing data. TYPE PRI 1.5 [...]

  • Pagina 218

    218 1.5 Mb PRI implementation Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, Nor tel Networks .[...]

  • Pagina 219

    219 1.5 Mb DTI implementation Contents This section contains information on the follo wing topics: "Overview" (page 219) "Hardware requirements" (page 219) "Hardware description" (page 196) "Install DTI hardware" (page 220) "Software enab le the DTI/PRI cards" (page 222) Overview This chapter provid[...]

  • Pagina 220

    220 1.5 Mb DTI implementation Item Description NTAK09 DTI/PRI Circuit card NTAK20 Clock Controller Daughter board. Option 11C Cabinet support only one active Clock Controller per IP Expansion cabinet. NTBK04 Carrier Cable Cables The f ollowing cables are required f or DTI connections: • DTI to e xternal T1 cable • NTBK04 carrier cable • NT8D9[...]

  • Pagina 221

    Install DTI hardware 221 Ta b l e 7 8 NT AK09 switch settings Distance to digital crossconnect 1 DCH F/W 2 (LEN 0) 3 (LEN 1) 4 (LEN 2) 0 - 133 feet Off Off Off On 133 - 266 feet Off On On Off 266 - 399 feet Off Off On Off 399 - 533 feet Off On Off Off 533 - 655 feet Off Off Off Off Connect the cables F or Small Systems, connect the NTBK04 cable to [...]

  • Pagina 222

    222 1.5 Mb DTI implementation Software enable the DTI/PRI cards Procedure 34 Enabling the NTRB21 TMDI card Step Action 1 Enter the f ollowing command in LD 96 to enab le the NTRB21 TMDI card: ENL TMDI x ALL where x is the NTRB21 TMDI card number (DLOP). The card number associated with a NTRB21 TMDI card is based on the slot in which the card is ins[...]

  • Pagina 223

    Software enab le the DTI/PRI cards 223 ENLL C where C is the DTI/PRI card number (DLOP). The card number associated with a DTI/PRI card is based on the slot in which the card is installed. Under normal conditions, this step enables the cloc k controller and D-channel interf ace. If enable fails , go to step 2. 2 Optional: Enter the follo wing comma[...]

  • Pagina 224

    224 1.5 Mb DTI implementation 4 Assign clock’s ref erence source. See "LD 73 - Assigning a clock ref erence source" (page 225) . —End— LD 17 - Adding a DTI card Prompt Response Description REQ CHG Change existing data. TYPE CFN Configuration data block. ... PARM YES ... PCML (MU) A System PCM law. Default is MU law. ... CEQU YES Cha[...]

  • Pagina 225

    Software enab le the DTI/PRI cards 225 Prompt Response Description COT WAT DID TIE FEX Central Office Trunk data block WATS Trunk data block Direct Inward Dial Trunk data block TIE Trunk data block Foreign Exchange DTRK YES Digital trunk route. LD 14 - Configuring the trunks Prompt Response Description REQ NEW CHG Add new data. Change existing dat[...]

  • Pagina 226

    226 1.5 Mb DTI implementation Prompt Response Description SREF CC3 xx Card number of PRI/DTI/SILC or DTI2/PRI2/SILC containing the primary clock reference. CC4 xx Card number for Clock Controller 4. PREF CC4 xx Card number of PRI/DTI/SILC or DTI2/PRI2/SILC containing the primary clock reference. SREF CC4 xx Card number of PRI/DTI/SILC or DTI2/PRI2/[...]

  • Pagina 227

    227 1.5 Mb ISL implementation Contents This section contains information on the follo wing topics: "Overview" (page 227) "Hardware requirements" (page 227) "Basic ISL implementation" (page 232) Overview This chapter contains the information required to implement ISL on the system. It describes: • hardware and softwar[...]

  • Pagina 228

    228 1.5 Mb ISL implementation Dedicated mode Dedicated mode requires modems. See Figure 80 "ISL in dedicated mode using leased line" (page 228) and Figure 81 "ISL in dedicated mode using dialup modem" (page 229) f or details. The requirements for using a leased line are Ta b l e 8 0 Leased line requirements Hardware Comments NTA[...]

  • Pagina 229

    ISL hardware installation (dedicated mode) 229 Ta b l e 8 1 Dial-up modem requirements Hardware Comments NT8D09 500 set line card. NTAK02 D-channel Handler Interface (DCHI) Card (for ISL mode). Modem Modem capable of the following: (such as Ventel 2400-33 or 2400 Plus II) • minimum of 2400 baud • synchronous operation • modems are programmed [...]

  • Pagina 230

    230 1.5 Mb ISL implementation The NT AK02 connects to a modem via the NT AK19BA four-por t cab le. Only por ts 1 and 3 are av ailable f or use as DCHIs. Procedure 37 Installing ISL hard ware Step Action 1 Set option s witches/jumpers on the NT AK02 card as shown in Ta b l e 82 "NT AK02 s witch setting" (page 230) and T able 83 "NT AK[...]

  • Pagina 231

    ISL hardware installation (dedicated mode) 231 Unit Jumper location RS422 RS232 Unit 2 —— — Unit 3 J2 J1 C-B C-B B-A B-A 2 Install the NT AK02 in any a vailab le slot 1-10 of the Option 11C Cabinet or slot 11-14 of Media Gatewa y 1. 3 Install the NT AK19BA f our-por t cable on the 50-pin Amphenol connector associated with the slot the NT AK02[...]

  • Pagina 232

    232 1.5 Mb ISL implementation Basic ISL implementation Implement dedicated mode Use Procedure 38 "Implementing dedicated mode" (page 232) to configure basic ISL capability . It applies to analog TIE T r unks that are used as B-channels. When DTI/PRI tr unks are also used, LD 17 digital loop (DLOP) and LD 73 (digital data b lock-DDB) must[...]

  • Pagina 233

    Basic ISL implementation 233 Prompt Response Description IFC SL1 Interface type. DCHL 1-9 PRI card number (Must match entry for CDNO). SIDE NET (USR) Net: network, the controlling switch. User: slave to controller. RLS XX Software release of far-end. This is the current software release of the far-end. If the far-end has an incompatible release of [...]

  • Pagina 234

    234 1.5 Mb ISL implementation Prompt Response Description TRSH 0-15 Assign a threshold set or table. RALM 1-(3)-128 Yellow alarm 24-hour threshold. BIPC 1-(2)-128 24-hour bit rate violation threshold. LFAC 1-(3)-128 24-hour loss of frame alignment threshold. BIPV 1-(3)-4 1-(2)-4 Bit rate (bipolar violation and CRC) monitoring limits for maintenance[...]

  • Pagina 235

    Basic ISL implementation 235 Prompt Response Description AC2 Access Code 2. Enter call types (type of number) that use access code 2. Multiple responses are permitted. This prompt only appears on NARS equipped systems. If a call type is not entered here, it is automatically defaulted to access code 1. NPA E.164 National. NXX E.164 Subscriber. INTL [...]

  • Pagina 236

    236 1.5 Mb ISL implementation LD 14 - Assigning a channel identification to each trunk with the ISL option Prompt Response Description REQ NEW CHG Add new data. Change existing data. TYPE TIE TIE Trunk type. TN l ch Loop and channel for digital trunks RTMB 0-511 1-4000 Route number and Member number Range for Large System and CS 1000E system. 0-12[...]

  • Pagina 237

    237 2.0 Mb DTI implementation Contents This section contains information on the follo wing topics: "Overview" (page 237) "Hardware requirements" (page 237) "NT AK10 2.0 Mb DTI card" (page 238) "Install DTI hardware" (page 238) "DTI software implementation" (page 241) Overview This chapter pro vides [...]

  • Pagina 238

    238 2.0 Mb DTI implementation Figure 82 2.0 Mb DTI cabling NT AK10 2.0 Mb DTI car d The 2.0 Mb DTI card provides the ph ysical interface f or the digital E-1 carrier on the system. The card includes an onboard clock controller and is installed in slots 1 through 9 in the Option 11C Cabinet. On IP Expansion cabinets, it is placed in slots 11-19, 21-[...]

  • Pagina 239

    Install DTI hardware 239 Inspect the NT AK10 circuit car d Inspect the circuit card bef ore installing it in the Option 11C Cabinet or Media Gatew ay: • Locate the NT AK10 2.0 Mb circuit card and carefully remov e it from its packaging. • Inspect the circuit card for an y visible damage that occurred dur ing shipping. Set the switches The NT AK[...]

  • Pagina 240

    240 2.0 Mb DTI implementation Switch S3 - Mode of operation This s witch selects the operational mode for the NT AK10. The NT AK10 suppor ts fir mware that allows it to operate in the standard CEPT format mode or the modified CEPT f or mat used in F rance. Ta b l e 8 6 Switch S3 Switch Off (Up) On (Down) S3-1 Non-French Firmware French Firmware S[...]

  • Pagina 241

    DTI software implementation 241 below the card slot holding the NT AK10 2.0 Mb DTI circuit card. Reinstall the retaining bar to secure the cab le(s). 2 T er minate the NTBK05D A/CA carrier cable as required. —End— NTBK05D A pinouts The pinouts for the NTBK05D A cable are as f ollows: Ta b l e 8 8 NTBK05D A pinouts Color Signal pin 23 pin 6 Blac[...]

  • Pagina 242

    242 2.0 Mb DTI implementation T ask summar y list The f ollowing is a summar y of the tasks in this section: 1. "LD 17 - Adding a 2.0 Mb DTI card" (page 242) 2. "LD 73 - Defining the 2.0 Mb DTI ABCD signaling bit tables" (page 242) 3. "LD 73 - Defining the 2.0 Mb DTI pad tables" (page 246) 4. "LD 73 - Defining [...]

  • Pagina 243

    DTI software implementation 243 Prompt Response Description SEZ(R) abcd Seize signal (send or receive) for voice or data calls from or to a non-SL-1. SEZD(R) abcd Seize signal (send or receive) for data calls between SL-1s. N If SEZD(R) signal not required. SEZV(R) abcd Seize signal (send or receive) for voice calls. N If SEZV(R) signals not requir[...]

  • Pagina 244

    244 2.0 Mb DTI implementation Prompt Response Description N If BURS(S) not required. P BURS(R) abcd Bring up receiver (receive). Uses switchhook flash timer for timer. N If BURS(R) not required. TIME 64-(128)-192 Length of BURS(R) pulse in milliseconds. P CAS(S) abcd CAS Flash. Same timing as analogue trunks. Note: Prompted for JDMI only. Operation[...]

  • Pagina 245

    DTI software implementation 245 Prompt Response Description N If CAS(S) not required. CLRF(R) abcd Clear forward (receive). N If CLRF(R) not required. SOSI abcd (N) Special operator signal defined. Undefined. Prompted when OPRC = N. Outgoing Calls: SEZA(S) abcd Seize acknowledgement SEZD(S) abcd Seize acknowledgement and (send) data signal. N If SE[...]

  • Pagina 246

    246 2.0 Mb DTI implementation Prompt Response Description TIME 64-(128)-192 Length of BURS(R) pulse in milliseconds. N If SEZV(S) not required. P CAS(R) abcd CAS Flash. Same timing as analogue trunks. Prompted for JDMI only. Operational only if CASR package equipped. N If CAS(R) not required. CLRB(R) abcd Clear back. N If CLRB(R) not required, when[...]

  • Pagina 247

    DTI software implementation 247 Prompt Response Description PDCA 1-16 PAD Category table. If one channel is using the specified table, then the command is aborted. Cannot modify or delete Table 1. TNLS YES (NO) TN List. This is for the print command only. A YES response means that a list of the trunk TNs using the requested PAD category tables are [...]

  • Pagina 248

    248 2.0 Mb DTI implementation Prompt Response Description ONP rt On-premises extension. OPX rt Off-premises extension. TNLS YES (NO) TN List. This is for the print command only. A YES response means that a list of the trunk TNs using the requested PAD category tables are printed after the table. DFLT (1)-16 For NEW only. The table is used for defau[...]

  • Pagina 249

    DTI software implementation 249 Ta b l e 9 0 2.0 Mb DTI pads code 01234 5 6 7 value (dB) 0.0 +1.0 +2.0 +3.0 +4.0 +5.0 +6.0 +7.0 code 8 9 10 11 12 13 14 15 value (dB) +8.0 +9.0 +10.0 +11.0 +12.0 +13.0 +14.0 -1 code 16 17 18 19 20 21 22 23 value (dB) -2 -3 -4 -5 -6 -7 -8 -9 code 24 25 26 value (dB) -10 idle +0.6 LD 73 - Defining the 2.0 Mb DTI timer[...]

  • Pagina 250

    250 2.0 Mb DTI implementation Prompt Response Description MFAO YES (NO) <CR> DTI card will or will not set bit 3 of timeslot 0 if loss of Multiframe Alignment Signal (MFAS) occurs. 2.0 Mb DTI default = NO <cr> = no change is required SZNI YES (NO) PSTN incoming seizure during lockout of MFAS and far-end fault states allowed (denied) MFF[...]

  • Pagina 251

    DTI software implementation 251 LD 73 - Defining the grade of service timers for the DTI car d Prompt Response Description CRC NC mt dt ct ot Cyclic redundancy check error counts. NC = Error count values are in the range 1-255. mt = Maintenance threshold time (MNT). dt = No new data calls threshold time (NNDC). ct = No new calls threshold time (NN[...]

  • Pagina 252

    252 2.0 Mb DTI implementation Prompt Response Description GP2 T2 mt dt ct ot Group 2 error thresholds. This is the maximum amount of time that can occur before software checks the associated thresholds of 120 to 32640 msec and rounds it to the closest multiple of 128 msec. T2 error count values are in the range 1-(20)-255. NC = Error count values a[...]

  • Pagina 253

    DTI software implementation 253 Prompt Response Description PREF CC1 xx Primary Reference DTI/PRI loop for Clock controller one. SREF CC1 xx Primary Reference DTI/PRI loop for Clock controller one. CC2 xx Card number for Clock Controller 2. PREF CC2 xx Card number of PRI/DTI/SILC or DTI2/PRI2/SILC containing the primary clock reference. SREF CC2 xx[...]

  • Pagina 254

    254 2.0 Mb DTI implementation Prompt Response Description ROUT 0-511 Route number Range for Large System and CS 1000E system. 0-127 Range for Meridian 1 Small System, Media Gateway 1000B. TKTP Service routes allowed with ISDN. TIE COT DID TIE trunk route. Central office trunk. Direct Inward Dial trunk. RCLS (EXT) INT Class marked route as Internal [...]

  • Pagina 255

    DTI software implementation 255 Prompt Response Description NEDC Near-end disconnect control. ETH Either end control. ORG Originating end control. Default for TIE, ATVN, DID, and CCSA trunk types. FEDC Far-end disconnect control. ETH Either end. FEC Far-end. JNT Joint. (ORG) Originating end. DLTN YES (NO) Dial tone on originating calls. TIMER (30)-[...]

  • Pagina 256

    256 2.0 Mb DTI implementation Prompt Response Description PCML (MU) A System PCM law. Prompted if the card is 2.0 Mb DTI, or if the card is a 2.0 Mb DTI card and the 2.0 Mb Gateway feature is equipped. MU, the default, was entered in the PCML prompt in LD 17. CUST xx Customer number, as defined LD 15 NCOS 0-3 0-7 0-15 Network class-of-service group[...]

  • Pagina 257

    257 2.0 Mb PRI implementation Contents This section contains information on the follo wing topics: "Overview" (page 257) "Hardware requirements" (page 257) "Hardware description" (page 258) "Install the NT AK79 PRI card" (page 261) "Install the NTBK50 PRI card" (page 266) "PRI software implemen[...]

  • Pagina 258

    258 2.0 Mb PRI implementation Circuit card Description NTAK79 2.0 Mb PRI circuit card. Supports an onboard clock controller and an onboard D-channel handler interface. NTAK20 Clock-controller daughterboard. The system supports only one active clock controller per system or IP expansion cabinet. Note: Every cabinet or Media Gateway that contains a d[...]

  • Pagina 259

    Hardware description 259 essentially replaces the D-channel circuit on the NT AK79 PRI card. (The NT AK79 PRI card does not suppor t the NTBK51 Downloadab le D-channel handler daughterboard.) A second difference between the NT AK79 and NTBK50 2.0 Mb PRI cards is that the NT AK79 has an onboard cloc k controller while the NTBK50 suppor ts the NT AK2[...]

  • Pagina 260

    260 2.0 Mb PRI implementation If the NT AK93 D-channel daughterboard is attached, the NTBK50 PRI card functions in the same manner as the NT AK79 PRI card. If the NTBK51 D-channel daughterboard is attached, software is downloaded to the card instead of residing in a D-channel circuit. F or inf or mation on the NTBK50 faceplate LEDs , ref er to ISDN[...]

  • Pagina 261

    Install the NT AK79 PRI card 261 The DCHI is responsible f or performing the Q.921 lay er 2 protocol inf or mation. It transf ers lay er 3 signaling information between tw o adjacent network s witches. The NT AK93 DCH daughterboard, when installed on the NTBK50 circuit card, is addressed in the same slot as the NTBK50. A minimum of one NT AK93 is r[...]

  • Pagina 262

    262 2.0 Mb PRI implementation Each step is described in the pages that f ollow . The PRI hardware installation procedure is the same regardless of the type of system at the f ar-end that is, another system such as the AXE-10, or SYS-12. Inspect the NT AK79 circuit car d • Locate the NT AK79 2.0 Mb circuit card and carefully remov e it from its pa[...]

  • Pagina 263

    Install the NT AK79 PRI card 263 Set the s witches on the circuit card according to the requirements of your specific installation: Switch SW1 - DCHI configuration This s witch enables and disab les the onboard DCHI and sets the operating mode of the DCHI. F or the U .K., use DPNSS1 mode. F or all other countries, use Q.931 mode. Ta b l e 9 2 Swi[...]

  • Pagina 264

    264 2.0 Mb PRI implementation Ta b l e 9 5 Switch SW4 Switch Down (On) Up (Off) SW 4-1 Rx—FGND Rx—OPEN SW 4-2 Tx—FGND Tx—OPEN Note: The usual method is to g round the outer conductor of the receive coax signal. Insert the NT AK79 Slide the circuit card into card slot 1-9 in the Small System main cabinet, or in slots 11-19, 21-29, 31-39, 41-[...]

  • Pagina 265

    Install the NT AK79 PRI card 265 Figure 84 NT AK79 cabling NTBK05D A pinouts The pinouts for the NTBK05D A cable are as f ollows: Ta b l e 9 6 NTBK05D A pinouts From: 50-pin MDF connector To: 9-pin connector color Signal pin 23 pin 6 Black R0 pin 48 pin 7 White T0 pin 50 pin 9 Bare R0/T0 FGND pin 24 pin 2 Black R1 pin 49 pin 3 Red T1 pin 25 pin 5 B[...]

  • Pagina 266

    266 2.0 Mb PRI implementation From: 50-pin MDF connector To: Transmit coax connector To: Receive coax connector To: 50-pin MDF connector pin 24 — Inner conductor — pin 49 — outer conductor — pin 21 —— pin 49 pin 46 —— pin 48 Install the NTBK50 PRI card The NTBK50 ser v es as a motherboard to the NT AK20 clock controller , and either[...]

  • Pagina 267

    Install the NTBK50 PRI card 267 Set the switches on the NTBK50 The NTBK50 incor porates three onboard dip s witches. The f ollowing tab les provide inf or mation on the various settings and related functions of these s witches. Note: The ON position for all the s witches is positioned toward the bottom of the card. This is indicated by a white dot [...]

  • Pagina 268

    268 2.0 Mb PRI implementation F or the U .K., use DPNSS1 mode. F or all other countries, use Q.931 mode. Ta b l e 9 8 Switch SW1 Switch Down (On) Up (Off) SW 1-1 —— SW 1-2 DPNSS1/DASS2 Q.931 Switch SW2 - Carrier impedance configuration This switch sets the carrier impedance to either 120 1 / 2 or 75 1 / 2 . T wisted pair cable is usually assoc[...]

  • Pagina 269

    Install the NTBK50 PRI card 269 Step Action 1 Visually inspect the connector pins on the underside of the daughterboard. Realign any bent pins pr ior to mounting. 2 Place the NTBK50 down flat on an antistatic pad. 3 F rom an overhead vie w , with the daughterboard parallel abo ve the NTBK50 and the connector pins aligned ov er the connector sock e[...]

  • Pagina 270

    270 2.0 Mb PRI implementation Figure 86 Daughterboard installation Remove the daughterboar ds from the NTBK50 Use these guidelines to remove the NT AK20 and NTBK51 or NT AK93 from the NTBK50 PRI card. Because of the ph ysical lay out of the mother and daughterboards, the NT AK20 should be removed bef ore the NT AK93 or NTBK51. 1. Star ting at the t[...]

  • Pagina 271

    Install the NTBK50 PRI card 271 If more than one NTBK50 card is installed, the additional cards ma y not carr y daughterboards, depending on system configuration. At least one NT AK20 (per system) is alwa ys required. Insert the NTBK50 Slide the circuit card into card slot 1-9 in the Small System main cabinet, or in slots 11-19, 21-29, 31-39, 41-4[...]

  • Pagina 272

    272 2.0 Mb PRI implementation T able 101 NTBK05D A pinouts From: 50-pin MDF connector To: 9-pin connector color Signal pin 23 pin 6 Black R0 pin 48 pin 7 White T0 pin 50 pin 9 Bare R0/T0 FGND pin 24 pin 2 Black R1 pin 49 pin 3 Red T1 pin 25 pin 5 Bare R1/T1 FGND NTBK05CA pinouts The pinouts f or the NTBK05CA cable are as f ollows: T able 102 NTBK05[...]

  • Pagina 273

    PRI software implementation 273 in the Software Input Output Ref erence — Maintenance for fur ther inf or mation. The f ollowing is a summar y of the tasks in this section: 1. "LD 17 - Adding a PRI card" (page 273) 2. "LD 17 - Adding a DCHI or DDCH" (page 273) 3. "LD 15 - Defining a PRI customer" (page 275) 4. "[...]

  • Pagina 274

    274 2.0 Mb PRI implementation Prompt Response Description ADAN NEW DCH xx CHG DCH xx OUT DCH xx Add a primary D-channel (any unused SDI port.) Change a primary D-channel. Out the primary D-channel, where: xx = 1-9 for Option 11C main cabinet, 11-19 for IP expansion cabinet 1, 21-29 for IP expansion cabinet 2, 31-39 for IP expansion cabinet 3, and 4[...]

  • Pagina 275

    PRI software implementation 275 Prompt Response Description RLS XX Software release of far-end. This is the current software release of the far-end. If the far-end has an incompatible release of software, it prevents the sending of application messages, for example, ’Network Ring Again. RCAP MSL MSDL RCAP capability. OVLR <CR> Allow or disa[...]

  • Pagina 276

    276 2.0 Mb PRI implementation Prompt Response Description PNI 1-32700 Customer private network identifier. This number is unique to this customer in the private network. For example, it is used as part of the setup message for feature operation such as Network Ring Again and Network ACD. Note that if PNI is set to zero (0), NRAG and NACD does not w[...]

  • Pagina 277

    PRI software implementation 277 Prompt Response Description On an existing ESN network, setting this prompt to "YES" may also require modifying the Digit Manipulation Index (DMI) associated with this route at the far-end (so the Access Code is not reinserted twice). The INSERT prompt (INST) is bypassed if INAC = YES. LD 14 - Defining ser[...]

  • Pagina 278

    278 2.0 Mb PRI implementation Prompt Response Description PREF CC3 xx Card number of PRI/DTI/SILC or DTI2/PRI2/SILC containing the primary clock reference. SREF CC3 xx Card number of PRI/DTI/SILC or DTI2/PRI2/SILC containing the primary clock reference. CC4 xx Card number for Clock Controller 4. PREF CC4 xx Card number of PRI/DTI/SILC or DTI2/PRI2/[...]

  • Pagina 279

    PRI software implementation 279 Prompt Response Description CRC n1 n2 Cyclic redundancy check error count. Range is 1-(201)-255 for n1, 1-(97)-255 for n2. where n1 is multiplied by 4 to obtain the actual count, giving an actual count range of 4-1020. FAP n1 n2 Frame alignment problem error count. Range is 1-(28)-255 for n1, (1)-255 for n2. RATS 1-([...]

  • Pagina 280

    280 2.0 Mb PRI implementation Prompt Response Description PERS ttt Persistence Timer for Group II problems. Enter 0-256 msec in increments of 2 msec. Default is 50 (=100ms). CLRS ttt Clearance Timer for Group II problems. Enter 0 - 256 msec in increments of 2 msec. Default is 50 (=100ms). OOSC nnn Out-of-Service Counter. Range for nnn of 0-255 with[...]

  • Pagina 281

    PRI software implementation 281 Prompt Response Description XUT rt Analog CO trunk. Prompted only if the 1.5/2.0 Mb Gateway feature is equipped and TYPE=PRI2. XEM rt Analog TIE trunk. Prompted only if the 1.5/2.0 Mb Gateway feature is equipped and TYPE=PRI2. T able 103 "P ad values" (page 281) shows the pads a vailab le to 2.0 Mb PRI. P o[...]

  • Pagina 282

    282 2.0 Mb PRI implementation Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, Nor tel Networks .[...]

  • Pagina 283

    283 2.0 Mb ISL implementation Contents This section contains information on the follo wing topics: "Overview" (page 283) "ISL hardware requirements" (page 283) "ISL hardware installation" (page 286) "ISL software implementation" (page 288) Overview This chapter provides the inf or mation required to implement[...]

  • Pagina 284

    284 2.0 Mb ISL implementation ISL in shared mode In shared mode, PRI hardware is required in addition to the e xisting TIE lines interf ace cards. • NT8D15 Analog trunk card(s) • NT AK02 SDI/DCH, NT AK10 2.0 Mb DTI, NT AK79 2.0 Mb PRI, or NTBK50 2.0 Mb PRI card(s) Figure 88 ISL in shared mode ISL in dedicated mode using leased line The f ollowi[...]

  • Pagina 285

    ISL hardware requirements 285 Figure 89 ISL in dedicated mode using leased line ISL in dedicated mode using dialup modem The requirements are as follo ws: • NT AK02 SDI/DCH D-channel handler interface . • Modems such as the V entel 2400, Ha yes 2400 (the Ha yes Smar tmodem 2400 cannot be used on leased lines) or Gandalf 2400 that can suppor t 2[...]

  • Pagina 286

    286 2.0 Mb ISL implementation Figure 90 ISL in dedicated mode using dialup modem ISL hard ware installation Shared mode The hardware installation is identical to the PRI installation, with the addition of analogue or digital TIE tr unks (or both). Dedicated mode The NT AK02 connects to the modem through the NT AK19BA 4-por t cab le. Only por ts 1 a[...]

  • Pagina 287

    ISL hardware installation 287 T able 104 NT AK02 switch settings Port 0 Port 1 SW1-1 SW1-2 SDI DCH OFF OFF SDI DPNSS1 OFF ON — ESDI ON ON Port 2 Port 3 SW1-3 SW1-4 SDI DCH OFF OFF SDI DPNSS1 OFF ON — ESDI ON ON T able 105 NT AK02 jumper settings Unit Jumper location Strap for DTE Strap for DCE Jumper location RS422 RS232 Unit 0 J10 C - B B - A [...]

  • Pagina 288

    288 2.0 Mb ISL implementation If this a dedicated mode using dialup modems, modems such as Ha yes 2400, V entel 2400 or Gandalf 2400 can be used. In this configuration, the DCHI connects to a modem which is connected to a 500 set line card. The call connects to the f ar-end through the 500 set-to-TIE trunk path. Program the modem at one end in the[...]

  • Pagina 289

    ISL software implementation 289 Dedicated mode The DCHI uses the NT AK02 circuit card and does not suppor t ISDN PRI signaling. The DCHI is reser v ed f or ISL use only . The D-channel can communicate with the far-end b y means of a dedicated leased line modem or dialup modem. Note that the following implementation relates to analogue TIE tr unks b[...]

  • Pagina 290

    290 2.0 Mb ISL implementation Prompt Response Description USR PRI D-channel for ISDN PRI only. IFC SL1 Interface type. DCHL 1-9 PRI2 card number. (Must match entry for CDNO). SIDE NET (USR) Net: network, the controlling switch. User: slave to controller. RLS XX Software release of far-end. This is the current software release of the far-end. If the[...]

  • Pagina 291

    ISL software implementation 291 Prompt Response Description N201 4(260) Maximum number of octets in information field. K 1-(7)-32 Maximum number of outstanding unacknowledged frames (NAKS). LD 15 - Enable the ISDN option Prompt Response Description REQ: NEW CHG Add new data. Change existing data. TYPE: NET Networking data. CUST 0-99 Customer number[...]

  • Pagina 292

    292 2.0 Mb ISL implementation LD 16 - Enable the ISL option Prompt Response Description REQ NEW CHG Add new data. Change existing data. TYPE RDB Route data block. CUST xx Customer number, as defined in LD 15 ROUT 0-511 Route number Range for Large System and CS 1000E system. 0-127 Range for Meridian 1 Small System, Media Gateway 1000B. TKTP TIE TIE[...]

  • Pagina 293

    ISL software implementation 293 Prompt Response Description 0-127 1-4000 Range for Meridian 1 Small System, Media Gateway 1000B. CHID 1-240 Channel identifier for ISL channels (remove with Xnn). Must be coordinated with far-end (no default value). Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN4300[...]

  • Pagina 294

    294 2.0 Mb ISL implementation Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, Nor tel Networks .[...]

  • Pagina 295

    295 Nonstandar d cables Contents The section contains inf ormation on the follo wing topics: "Introduction" (page 296) "NT5K40AA, NT5K41AA, NT5K86AA" (page 296) "NT8D7206, NT8D7207" (page 296) "QCAD128" (page 297) "QCAD129" (page 298) "QCAD133" (page 298) "NT8D7205" (page 299) &q[...]

  • Pagina 296

    296 Nonstandard cables "NTND27 MSDL to I/O panel cables" (page 303) "NTND98 PRI to I/O panel cables" (page 303) Introduction This section provides inf or mation required to b uild systems cab les of nonstandard lengths for ISDN PRI applications. NT5K40AA, NT5K41AA, NT5K86AA These cab les are used to transpor t the 2Mb digital si[...]

  • Pagina 297

    QCAD128 297 • P2 Connector (I/O P anel end) - 9-pin, male, subminiature D , with jackscre ws T able 108 NT8D7206, NT8D7207 wire list Color From (pack end) To (I/O end) Signal White P1-1 P2-6 XTIP (transmit) Black P1-9 P2-7 XRING (transmit) Green Shield nc P2-CASE P2-9 GROUND Red P1-3 P2-2 RTIP (receive) Black P1-11 P2-3 RRING (receive) Red Shield[...]

  • Pagina 298

    298 Nonstandard cables From To Signal P1-11 P2-11 RRING (receive ring) from telephone company P1-12 P2-12 P1-13 P2-13 P1-14 P2-14 P1-15 P2-15 QCAD129 This cable is used to connect the RS-232-C interf ace between an echo canceller and the PRI pack. • Standard length - 2.1 m (7 ft.) • Construction - 22 A WG (0.644 mm), stranded • P1 Connector -[...]

  • Pagina 299

    NT8D7205 299 F or cabinets without an I/O filter assemb ly , this cable tr anspor ts the T1 signal from the QPC720 PRI pack to the NCTE telephone company interf ace. • Standard length - 50 ft (15.3 m) • Construction - Individually foil-shielded, twisted pairs, 24 A WG (0.511 mm), stranded • P1 Connector - 15-pin, female , subminiature D with[...]

  • Pagina 300

    300 Nonstandard cables Color From (pack end) To (I/O end) Signal Black P1-7 P2-7 XRING (transmit) Green Shield P1-9 nc GROUND Red P1-2 P2-2 RTIP (receive) Black P1-3 P2-3 RRING (receive) Red Shield P1-5 nc GROUND QCAD328 This cable is used to connect the PRI pac k to the D-channel interface card, either the QPC757 or NT6D11AB DCHI. There are two ty[...]

  • Pagina 301

    NT8D83 PRI/DTI to I/O cable 301 NT8D74 Clock Contr oller to InterGroup cable This cable connects the QPC471 Clock Controller card to the NT8D36 InterGroup Module. This cab le is av ailable in the f ollowing lengths: • NT8D74AC 1.2 m (4 ft) • NT8D74AD 1.8 m (6 ft) • NT8D74AE 2.4 m (8 ft) • NT8D74AF (QCAD110B) 3 m (10 ft) • NT8D74AJ 4.8 m ([...]

  • Pagina 302

    302 Nonstandard cables NT8D85 Network to IPE cable This cable connects the f ollowing: • QPC581 CMA card to QPC581 CMA card in dual CPU configuration • QPC414 Network card to PRI/DTI card • QPC414 Network card to QPC659 Dual Loop P eripheral Buffer card (f or inter nal cabling only) • QPC659 Dual Loop P eripheral Buffer card to QPC659 Dual[...]

  • Pagina 303

    NTND98 PRI to I/O panel cables 303 NT9J93AD PRI/DTI Echo Canceller to I/O cable This cable connects the PRI/DTI Echo Canceller por t to the I/O connector panel. It is 1.8 m (6 ft) long. NTND26 PRI to MSDL cables These cables connect the MSDL card to the PRI cards. • NTND26AA 6 feet • NTND26AB 18 feet • NTND26AC 35 feet • NTND26AD 50 feet NT[...]

  • Pagina 304

    304 Nonstandard cables Nor tel Communication Ser v er 1000 ISDN Pr imary Rate Interface Installation and Commissioning NN43001-301 02.03 Standard Release 5.5 7 December 2007 Copyright © 2003-2007, Nor tel Networks .[...]

  • Pagina 305

    [...]

  • Pagina 306

    Nor tel Communication Ser ver 1000 ISDN Pr imar y Rate Interf ace Installation and Commissioning Copyright © 2003-2007, Nor tel Networks All Rights Reser ved. Publication: NN43001-301 Document status: Standard Document version: 02.03 Document date: 7 December 2007 T o provide feedbac k or to repor t a problem with this document, go to w ww . nor t[...]