Multi Tech Equipment MTA128ST manual

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Índice do manual

  • Página 1

    Models MTA128ST and MTA128NT External ISDN Terminal Adapter User Guide[...]

  • Página 2

    2 User Guide Model MTA128ST/NT S000305C Rev. C This publication may not be repr oduced, in whole or in part, withou t prior wr itten p ermission from Multi-Tech Syst em s, Inc. All rights rese rved. Copyright © 2004- 07 by Multi-Tech Syst ems, Inc. Multi-Tech Systems, Inc. makes no representations or warrant ies with respect to the contents hereof[...]

  • Página 3

    Contents 3 Contents Chapter 1: Introducti on and Desc ription ....................................................................................... ................................. 4 Welcome to the world of ISDN communications. .................................................................................. .............................. 4 Pro[...]

  • Página 4

    Introduction and Description 4 Chapter 1: Introduction and Description Welcome to the world of ISDN communic ations. You have acquired one of the finest ISDN termina l ad apters (TAs) available today, model MTA1 28ST/NT from Multi-Tech Systems. The MTA128ST is a desktop TA with an S/T interface por t to connec t itto the ISDN network and an analog [...]

  • Página 5

    Introduction and Description 5 Your ISDN TA is compat ible with prevalent ISDN switch protocols. It communicates using ISDN BRI (2B+D) service, which provides up to 128 K bps data communication s. This manual documents the following models: • MTA1 28ST for S/T interface with o ne POTS port • MTA1 28NT for U interface with one POTS port Some ana[...]

  • Página 6

    Introduction and Description 6 If your ISDN product operates with a S/T outlet interf ace, you need an NT1 device to co nnect to the ISDN switch. MTA128ST adapters nee d an NT1 device to connect to the ISDN switch, but the MTA128NT adapter does not require NT1 device. In the UK, and in many Euro pean countries, NT1 device is supplied by your teleph[...]

  • Página 7

    Introduction and Description 7 LED Indicators The ten LED indicators on the front pane l (see figure below) of the MTA1 28ST/N T report status and line ac t iv it y . Transmit Data Flashes when data is bei ng transmitted (on for a space, off for a mark). Receive Data Flashes w hen data is being rece ived (on for a space, of f for a mark) . Link Sta[...]

  • Página 8

    Introduction and Description 8 Data Protocol 128 LED P1 LED P2 LED V. 11 0 V .120 X.75 (1 channel) PPP (1 channel) MLPPP (2 channels) OFF ON[...]

  • Página 9

    Introduction and Description 9 Technical Specifications Trade Name Iway Hopper™ Model Number MTA128ST (International), M T A 1 2 8 N T Network Interfac e ST-Four-wire S/T interface NT-2-wire “U” interface Switch Compatibiltiy EuroISDN (ETSI/DSS1/NET3), VN4, INS64, U.S. NI-1, AT&T 5ESS, DMS-100 (both models su pport all of the switch proto[...]

  • Página 10

    Hardware Installation 10 Chapter 2: Hardware Installation This chap ter shows you step-b y-step how to s et up your MTA1 28ST /NT terminal adapter (TA) to your co mp ut er , power, network terminator, and an auxiliary analog device. Pl ease follow these instructions carefu lly to a void damage to your TA. Safety Warnings • Use this product only w[...]

  • Página 11

    Hardware Installation 11 Turn on the TA by sliding the power switch to ON and verify opera tion by observing the LEDs on the front panel. The LEDs first flash in a self-test pattern. Then the LS LED r emains on. If the TA does not appear to be working, Refer to Chapter 5 for tro ubleshooting hel p. Connect the TA to Your PC (RS-232 Connection) Plug[...]

  • Página 12

    Configuration Utilities 12 Chapter 3: Config uration Utilities Introduction You can configure the MTA128ST/NT to match your ISDN se rvice and the remote terminal adapter (TA) wi th any of four methods listed below: • ISDN TA Configuration Utility This configuration utility is recommended for computers running Windows 98/NT/ME operating systems. B[...]

  • Página 13

    Configuration Utility 13 Vo i c e TE I___________________________________________ Voice TEI is the TEI assigned to the voice channel. Choi ces are: Auto TEI, a fixed TEI number, or Di sable. AT command: *!D3 .... . Dat a M S N __________________________________________ The Data MSN (multiple subscrib er number) allows a caller to specify an individ[...]

  • Página 14

    Configuration Utility 14 V.120 Protocol —Similar to V.1 10 protocol, but provides rates u p to 64000 bps on each B channel. X.75 Protocol —Packet-switched ne twork protocol for international use. Layer 2 portion of this p rotocol is used commonly as a rate adaption protocol. MLPPP Protocol —MLPPP (Multi-Link PPP) protocol provides ra tes up t[...]

  • Página 15

    Configuration Utility 15 DCD Drop Time _____________________________________ Sets the time, in 0.1-second increments, that a carri er must be lost before the TA disconnects. The default value is 0.7 seconds; however, you can set it anywhere in the range 0–254 (0–25.4 seconds). Setting DCD Dr op Time to 255 causes the TA not to disconnect with l[...]

  • Página 16

    Configuration Utility 16 Configuring your TA If you use Windows 98/Me/NT, perform t he following procedure using the Confi guration Utility provided on your system CD. If you are using another operating system, you can configure the TA using the firmware-b as ed configuration utility or AT commands . Procedures for using the firmware -based configu[...]

  • Página 17

    Configuration Utility 17 3. Searching for TA screen is displayed with please wait while the configuration utilit y searches for your ISDN TA(s ). This may take up to 20 seconds . Then the Searc hing for TA sc reen wi th Devic es have been identified. Please select a device to configure Click Next to continue. 4. The Configuration screen is displaye[...]

  • Página 18

    Configuration Utility 18 5. The Network Switch Type screen is displayed with Pl ease select the settings for the Network Switch Ty pe. Select the network switch type you listed in t he Before You Start section of this chapter. 6. Please select the settings for dynamic bandw idth a llocation, high an d low sampling period and throughput, and call bu[...]

  • Página 19

    Configuration Utility 19 7. The TEI (Terminal Endpoint Identifier) scree n is displa yed with Please select the settings yo u would lik e fo r Data TEI and Voice TEI. The TEI is a unique number assigned to the TA at subscription time. The TEI is used by the telephone c en tra l office (CO) to identify the various TAs conne cted to the ISDN network.[...]

  • Página 20

    Configuration Utility 20 and tracking. A SPID is assigned by yo ur local ISDN prov ider whe n you subscribe, they are in t h e f o rm o f a string of up to 20 character s. A SPID points to a specific location in the pr ovider’s central off ice mem ory where service and feature parameters are stored. Click Next when you have enter ed your SPID inf[...]

  • Página 21

    Configuration Utility 21 10. The Data Protocol Setu p screen is displayed with Please select the setting yo u desire for the Data P rot oco l. If you would like the TA to d etect th e data protocol of a n incoming data call and automatically change the TA’s protocol to match the incoming call, cli c k auto protocol detecti on check box. Click Nex[...]

  • Página 22

    Configuration Utility 22 12. The Port Cont rol Setup 1 screen is displayed with Please select the settings you would like for the DTR det ect time, DCD drop time, DTR, DSR, CTS, and DCD signals. lick Next when you have finished enteri ng your settings. 13. The Port Control Setup II screen is displayed with Pl ease select the settings you would like[...]

  • Página 23

    Configuration Utility 23 14. The POTS Port screen is displayed with Please select the setting s for the PORTS port. When your selections are compl ete, click Next. 15 The Save Configuration screen is displayed with Please ent er the name to store the configuration as in the .ini file. You can enter any name up to 35 characters or less in the Store [...]

  • Página 24

    Configuration Utility 24 16. The Load Configuration screen i s displayed wi th To load the configuration now, click Next. 17. Your ISDN TA is currently being configu red. When the F inish button bec omes active, click Finish. 18. The Configured screen is displayed. Click Finish to exit the Configuration Ut ility.[...]

  • Página 25

    AT Commands, S-Registe rs, & Result Cod es 25 Chapter 4: ATCommands, S-Registers, and Result C o d e s MTA128S T/NT Comma nds and S-Registers All references to “ TA” in this chapter refer to the MTA1 28 ST/NT. This chapter also assumes knowledge of issuing AT commands. < CR > refers to the carriage return charac ter (typically generat[...]

  • Página 26

    AT Commands, S-Registers, and Result Codes 26 AT Commands by Function Command Execution AT Attention code A / Repeat AT Command Return or Enter Command execution +++AT<CR> In-band escape code <BREAK>AT<CR> Out-of-band escape code General Information Commands In Display Product Information Ln List Active Profile Informati on !L Dis[...]

  • Página 27

    AT Command, S-Registers, and Result Codes 27 Sr = n Set S-register Sr? Read S-register Vn Verbose Result Codes &Wn Store Active Profile Xn Connect Messages Z Reset to Stored Profile &Zn= Store Telephone Number !Z=n Rate Adaptation/Data Protocol Digital (Data) Call Commands A Answer Digital Call Dn Dial Digital Number DSn Dial Stor ed Number[...]

  • Página 28

    AT Commands, S-Registers, and Result Codes 28 S34 Maximum Escape Sequence Length S44 POTS Port Ring Frequency S45 Use Dial Tone From Central Office S46 Pulse-Dial Recognition S49 POTS Port Dial Tone Gain S50 Caller Line ID (CLI) S51 POTS Port Dial Tone Suppression S52 Auto-Protocol Detection S53 Maximum X.75 Buffer Size S54 Force 56Kbps B-Channel D[...]

  • Página 29

    AT Command, S-Registers, and Result Codes 29 Result Codes When the MTA128ST/NT receives an AT command from the co mputer or terminal, it attempts to execute the command, then sends a status message to the computer or terminal that reports t he result of the com man d. The MTA1 28ST/NT provides you with se veral of these response messages, or r esul[...]

  • Página 30

    AT Commands, S-Registers, and Result Codes 30 Making a Call Before you can place a data call, configure the MTA1 28ST/NT for the local swit ch type, serial port speed, and the data type of the ISDN device you want to call. See Chapte r 3, C onfiguration Utilities. Dialing To dial a number using AT command s, you must fi rst start a data communicati[...]

  • Página 31

    AT Command, S-Registers, and Result Codes 31 Answering Manually If your communication program is in terminal mode when the RING result code appears on your monitor, you can manually answer the call by typing ATA < cr > . Answering Automatically To cause the MTA128ST/NT to automatically answer a call: 1. Enable autoanswer by setting register S[...]

  • Página 32

    Troubleshooting 32 Chapter 5: Troubleshoot ing Troubleshooting the TA Introduction This chapter d escribes basic problems you may run into with your MTA128ST/NT and h ow to solve them. Y our MTA1 28ST/NT was thoroughly tested at the factory before it was shipped. If you are unable to make a successful conne ction, or if you experie nce data loss du[...]

  • Página 33

    Troubleshooting 33 Debugging/Logging/Troubleshooting Commands The AT commands in this section can be used in a ttempting to troublesh oot or debug a current problem. Some commands may be enhanced or limited by the debugg ing/logging/troubles hooting S-regist ers. For complete descriptions of the comm ands and S-regi sters, see the additional do cum[...]

  • Página 34

    Troubleshooting 34 • The MTA1 28ST/NT or powe r supply may be defec tive. If you have another Mu lti-Tech MTA1 28ST/N T, try swapping MTA128ST/NTs. If the problem goes away, th e first MTA128ST/NT or power supply may b e defective. Call Tech Support for assistance. Caution: Do not under any circumstances replace the power supply module with one d[...]

  • Página 35

    Troubleshooting 35 you should change their IRQs to unused one s, if possible. Right-cl ick on My Compute r, select Propertie s from the menu, click on the Device Manager tab, double-c l i ck o n Ports, then double-click on the Co mmunications Port your MTA1 28S T/NT is connec ted to. In the po r t ’ s Properties sheet, cli ck on the Resources tab[...]

  • Página 36

    Troubleshooting 36 You cannot place two simultaneous data calls • You may not have ordered an ISDN line configuration that supports two simultaneous calls. Check your contract or latest statement of service from your ISDN provider. Also, your ISDN provider may have programmed the swit ch incorrectly. Call the provider. • You may have misconfigu[...]

  • Página 37

    Troubleshooting 37 When using X.75 data pr otocol to transfer data via the Zmodem, the Zmodem displays Intermittent bad packet errors and data throughput dr ops. This occurs in cases when the X.75 packet size is greater than 1024 bytes and the terminal adapter sending the fi le has a fast seri al baud rate (e. g., 115200 bps) an d the terminal adap[...]

  • Página 38

    PPP/MLPPP 38 Chapter 6: Point -t o-Point Communications: PPP/MLPPP Bonding Using the &, I and + Characters You can use t he &, ! and + characters to b ond two chan nels togethe r when perfor ming channel bo nding (available only with the MLPPP protocol). When you us e the &, +, or! characters with the MLPPP protocol, the TA regards the [...]

  • Página 39

    PPP/MLPPP MTA128ST/NT 39 If an outgoing analog c all is desired or there is an incoming analog call, a da ta channel can be bumped (removed) to allow analog POTS port use. Bandwidth-on-Demand (BO D) checks the data throughput to de termine whether a channel should be added or removed. Call Bumping (CB) determines whether a channel needs to be added[...]

  • Página 40

    PPP/MLPPP 40 for a relatively long per iod of time (long Low Threshold Sampling Period [S62] with a small Low Throughput Threshold [S63]). • If data transmits or is received in bursts and the TA adds and removes a channel too quickly, increase the High Threshold Sampling Period (S60) and the Low Threshold Sampling Period (S62) and – decrease th[...]

  • Página 41

    Warranty, Service, and Tech Supp ort 41 Chapter 7: Warranty, Service, and Tech Support Multi-Tech Systems, Inc. Wa rranty & Repairs Policies Warranty Multi-Tech Systems, Inc., (hereafter “MTS”) warrants t hat its pr oducts will be free from def ects in material or workmanship for a period of two, five, or ten years (depending on model ) fro[...]

  • Página 42

    Warranty, Service, and Tech Supp ort 42 Repair Procedures for International Customers (Outside U.S.A. and Canada) Your original point-of-purchase Reseller may offer t he quickest and most economical rep air option for your Multi-Tech product. You may als o contact any Multi-Tech sales office for information about the nearest dis t ri b ut or o r o [...]

  • Página 43

    Appendice s MTA128ST/NT 43 AppendixA:Configuration Profiles Quick Setup Factory Profiles For quick setup, the MTA1 28ST/NT includes six Quick Setu p Facto ry Profiles, each of which is configured f or a specific type of port o peration. You can load a Quick Se tup Facto ry Profile into active memo ry by u si n g t he command &Fn, in which n is [...]

  • Página 44

    44 Appendices Appendix B: Ordering Your ISDN Li ne There are two ways to specify your ISDN line confi guration to your service provide r. One is by using ISDN "ordering codes" i n which the user, th e Local Exch ange Carrier (L EC) or Internet Servi ce Provider (ISP) are using common no menclature t o describe eleme nts of service. The ot[...]

  • Página 45

    45 Appendices equipment to your p hone line. At this time the switch gives your d evice a Terminal Equipme nt Id en ti fie r ( TEI ) w hi ch is us ed fr om the n o n t o i den ti fy al l connection requests from that piece of equipment. This allows the switch to look at the TEI and Bearer Co d e , de t e r m i n e t h e S P I D , and see if the Bea[...]

  • Página 46

    46 Appendices J3 (previously 'Generic Data J-1DN') This ISDN ordering code supports: • 2B Service, • alternate voice and data on one B, data only on other B channel, and • One directory number. J3 is not available on the Northe rn Telecom switch. Si nce two direct ory numbers are requ ired for 2B operation, use J2. Capability S (pre[...]

  • Página 47

    47 Appendices Ordering ISDN Without IOCs This sectio n guides you and yo ur telepho ne company in spe cifying and o btaining ISDN servi ce when IOCs are not used. To support most ISDN TA feat ures, your telephone service must meet certain requireme nts. These requirem ents are de scribed in the foll owing secti ons. Some featur es may be add ed or [...]

  • Página 48

    48 Appendices EKTS (Electronic Key Telephone Sets) Shared Directory Numbers Accept Special Type of Number Intercom Groups Modem Pools (Network Resource Selector) Message Waiting Hunting I nterLATA Competition 5b. Northern Telecom DMS-100: request a point-to- multipoint line with: Line Type: Bas ic Rate, Function al Electronic Key Telephone Sets (EK[...]

  • Página 49

    49 Appendices Number of CSV Calls: 2 CSV Bearer Chan nels: Any Number of CSD Calls: 2 Circuit Switched: Any Terminal Type Bearer Channel s: Type A Multipoint lines require the ph one company to create a SPID fo r each phone number on the line. With the ex cepti on of the ability to spread two calls across two phone numbers , multipoint lines offer [...]

  • Página 50

    50 Appendices AppendixC: F CCand Canadian Regulat ion FCC 1. This equipme nt complies with Part 68 of the Federal Communications Commission (FCC) rules. On the outside surface of this equipment is a label that cont ains, amon g other information, the FCC registration number and ringer equivalence number ( REN). If r equested, th is information must[...]

  • Página 51

    Appendices 51 Canadian Limitations Notice Notice: The ringer equival ence number (REN) a ssigned to each terminal device provides an indication of the maximum number of terminals allowe d to be connected to a teleph one interface. The termination of a interface may consist of any combination of device s subject only to the requirement that the sum [...]

  • Página 52

    Appendices 52 AppendixD: Configuration Methods Firmware-based Configuration Utility 1. If you are using another operating system, turn on your computer and start your data communications p rogram. 2. The TR (Terminal Ready) LED lights to indicate that your computer is ready to communi cate with the TA. Type AT in the communications program’s term[...]

  • Página 53

    Glossary MTA128ST/NT 53 Glossary Symbol 2B1Q (2 bits, 1 quarternary) — A line code at layer one f or th e BR I U interface . Two bits of data (2B) are mapped into one of four line val ues (1Q , or 1quarternary). This coding sc heme allows a single copper pair to carry 160 Kbps of information bidirectionally and simul taneously a t a distance of u[...]

  • Página 54

    Glossary MTA128ST/NT 54 more than o ne bit is represented by a single c ycle of the carrier. BRI (basic rat e interface)—A lso called 2B+D. One of tw o f or ms o f ISDN service. BRI provides tw o 64 Kbps B-channels for video, vo ice or da ta, a nd one 16 Kbp s D-channel for control information. The total BRI da ta rate is 192 Kbps, w ith 144 Kbps[...]

  • Página 55

    Glossary 55 us er in f or mation. DTE is a telecomm unications term that usually refe rs to PCs, terminals, printers, etc. DTMF (dual-tone multifrequency)—A generic push- bu t to n c o n ce p t made popular by AT&T TouchTone. DTMF detection —A capability in some fax/da ta modems that ca n differe ntiate bet ween DT MF or fax calling tones. [...]

  • Página 56

    Glossary MTA128ST/NT 56 organizat ion that prep ares standards fo r resolving communications i ssues and probl ems . L LA PB (Link Access Pr ocedure Ba lanced)—Bas ed o n t h e X. 2 5 Layer 2 specification. A full-duplex, point- to-point, bit-synchronous proto col c ommo nly u sed a s a data link c ontrol pr otocol to interface X .2 5 D TEs . LAP[...]

  • Página 57

    Glossary 57 off-hoo k —The condition of a device that has a ccessed a phone line ( wit h or wi t ho ut u si ng t he l in e) . I n modem use, this is equivalent to a t el ephone handset being picked up. Dialing and transmission are all o we d, but incoming calls are not ans wered. on-demand dialing —A cost-saving f eature of ISD N tha t se ts u [...]

  • Página 58

    Glossary MTA128ST/NT 58 S S reference po int —Provides t he connecti on between N T2 equipment and the TA or TE-1. Can provide bot h primary a nd basic rate ser vice s. A lso called the S-interface. (Contrast R-reference point.) SA P (service access point)—A point at which the se r v i c es o f a n OS I layer are made available to the next high[...]

  • Página 59

    Glossary 59 telematics —User-oriented ISDN information transfer se r vi c e s (e . g ., teletex , videotex, facsimile). Teleservices —A tele communication s service th at provides the compl ete capability for communication bet ween sub scri ber s acc ord ing to protocols agreed to by RPOAs. A set of ISDN features u sing communications links, in[...]

  • Página 60

    Index MTA128ST/NT 60 Index A a n s w e r i n g a c a l l manually 33 Appendix A:Configuration P ro f i l e s 48 Appe ndix C: Ordering Your ISDN Line 49 ISDN, ordering 49 Appendix D: FCC and Canad ian Regulation 56 FC C Canadian Regulation 56 Appendix E: Conf iguratio n Methods Configuration Methods 58 async data for mat 10 AT commands ! C 0 = 1 3 &[...]

  • Página 61

    Index 61 IRQ conflicts 37 ISDN BRI Line 5 ISDN line 37 ISDN, ordering 49 ISDN Solutions Group 50 ISDN TA Configuration utility 13 L LED Indicators Link Status 8 LED indicators 10, 36 128 Kbps 8 Bearer Channel 1 8 Bearer Channel 2 8 Data Protocol 8 Link Status 8 Off Hook 8 Receive Data 8 Terminal Ready 8 Transmit Data 8 Loop Qualification 49 M manua[...]