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
3Com 5108M-TP manuale d’uso - BKManuals

3Com 5108M-TP 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

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 3Com 5108M-TP. 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 3Com 5108M-TP 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 3Com 5108M-TP 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 3Com 5108M-TP dovrebbe contenere:
- informazioni sui dati tecnici del dispositivo 3Com 5108M-TP
- nome del fabbricante e anno di fabbricazione 3Com 5108M-TP
- istruzioni per l'uso, la regolazione e la manutenzione delle attrezzature 3Com 5108M-TP
- 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 3Com 5108M-TP 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 3Com 5108M-TP e modi per risolvere i problemi più comuni durante l'uso. Infine, il manuale contiene le coordinate del servizio 3Com 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 3Com 5108M-TP, come nel caso della versione cartacea.

Perché leggere il manuale d’uso?

Prima di tutto, contiene la risposta sulla struttura, le possibilità del dispositivo 3Com 5108M-TP, 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 3Com 5108M-TP. 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

    ONline Et her net 10BAS E-T Module User’ s Guide Doc u men t Number 17-0 0 1 4 1-3 Print ed March 1 995 Model Numb er: 5108M-TP 3Co m Corpo ration 118 T ur npike Road South borough , MA 0 1772- 1886 U.S.A. (5 0 8) 46 0- 8 90 0 F A X ( 5 0 8) 460-8 950 ®[...]

  • Pagina 2

    ii O Nline Ethern et 10BASE-T M odule User’s Guid e Federal Commun ication s Co m mission Notice Th i s equipment has bee n t este d and f o und to com ply with the limits for a Class A digital device, pursu ant to P art 15 of the FCC Rules. These limits are designed t o p r ovide re asonable protection against ha r m f ul in t e rf e r ence when[...]

  • Pagina 3

    ONli ne Ethern et 10BA SE-T Module U ser’s Gui d e iii XNS is a trade m a rk a nd Ethernet is a r egis t e r ed t r ademark of Xerox Corporat ion. 3ComFacts, Ask 3Com, CardFact s , NetFa cts, and CardBoard ar e service mar k s of 3Co m Corporation. 3Com, LANplex, Bou ndar yRouting, L anSca nner , L i nkBui lder , NETBuilder , NETBui lder II, P a [...]

  • Pagina 4

    iv O Nline Ethern et 10 BASE- T M odule U ser ’s Guide[...]

  • Pagina 5

    Contents ONline Ethernet 10BASE-T Mo dule U se r’s G uide v How to Use This Gu id e Audien ce . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii Structu r e o f This Gui de . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiv Docum ent Conv entio ns . . . . . . . . .[...]

  • Pagina 6

    vi ON line Ethernet 10BASE-T Mo dule U ser’s Guide Chapter 3 — In stalli ng a n d Op eratin g t he Mod u le Precautionary Proc edu res . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 Unpackin g Procedu res . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Installation Proced ures . . . .[...]

  • Pagina 7

    ONlin e E t hern et 10BASE-T M odule User’s Guid e vii Fig ures Figure 1- 1 . 10BAS E -T Module Fac eplate and ONline System Co nc entrato r . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Figure 1-2. 10 BA S E-T Module and Dip Switc h Lo catio n s . . . . . . . . . . 1-5 Figure 2-1. Sam ple Conf iguratio n Dist ance Calc ulati on . . .[...]

  • Pagina 8

    viii ONline Ethernet 10BASE-T Module User’s Guide[...]

  • Pagina 9

    ONli ne Ethern et 10BA SE-T Module U ser’s Gui d e ix Ta bles Table 1-1. Interpretation of the 10BASE-T Modu le LEDs . . . . . . . . . . 1-4 Table 1-2. Dip Switch SW1 Settings and Interpret ations . . . . . . . . . . 1-6 Table 1-3. Dip Switch SW3 Settings for Switches 1 and 4 . . . . . . . . . 1-7 Table 1-4. Dip Swit ch SW3 Setting s an d Interpr[...]

  • Pagina 10

    [...]

  • Pagina 11

    ONli ne Ethern et 10BA SE-T Module U ser’s Gui d e xi How to Use This G uide The ONli ne ™ Ethernet 10 BA SE-T Module User’ s Guide descr ibes the features , in dicat ors, a nd in stallation proced ure s fo r the ON line Eth ernet 10BA SE-T Module. Inform a tion o n trou bleshooting and diagno s tics is includ ed fo r verify ing o peration . [...]

  • Pagina 12

    xii ONline Ether net 10 BASE-T Mo dule U s e r’s Guide Structu re of This Gui de This guide co ntains the fol lowing chap ters: Chapt er 1 , Introducti on – Intr o duces the prin cipal featu r es of the O Nline Ethern et 1 0 B ASE-T Module and provides views and descripti ons of the fr o nt panel an d the dip swi tches on the m odule. Chapt er [...]

  • Pagina 13

    ON lin e Ethern et 10B ASE-T Mod ule User’s G uide xii i Docu ment C onventi ons The follow ing doc u m ent con vention s are us e d in this manual: Con v entio n Indic ates Exam ple Couri er t ext User input In th e Agen t Infor mation F orm, enter MI S i n the New Contac t field. System ou tput After pressing the Ap ply button, the system disp [...]

  • Pagina 14

    xiv ONline Eth e r net 10 BASE-T Modu le User’s Guide Related Doc uments This section provi des in formation on suppo rtin g d ocumen tation , inclu ding: ❑ 3Com Doc ument s ❑ Reference D ocuments Note: A Note . The inform at ion i s impo rtant Note: Use STP lobe cables f or your system . Caution: A Caution. A condi tion m ay dama ge software[...]

  • Pagina 15

    ONlin e E t hern et 10BASE-T M odule User’s Guid e xv 3Com D ocumen ts The follow ing doc u m ents provid e ad dition al info rmation on 3Com products: 17-Sl ot ONlin e Syste m Conce ntra tor Installa tion a nd Opera tion Guid e – Explains how to in stall, oper ate, and manage th e 3Com O Nli ne 17-Slot System C o ncentrato r (Models 5017C -LS [...]

  • Pagina 16

    [...]

  • Pagina 17

    Introd uction 1 - 1 1 Introduction This chapter d escribe s the featu r es, in dicators , and di p switch sett ings on the O Nline™ Eth ernet 10BASE-T Modul e. The ONl ine Ethe rnet 10BASE-T M odule The ONline™ Eth er net 10BASE-T Module is an eight-port IEEE 802 .3 r epeater module that com plies with the 10BASE-T standard. This module works w[...]

  • Pagina 18

    1 - 2 ONl ine Ethernet 10 BASE-T Mod ule User’s G ui de twisted pair connectio ns while po rts 3, 4 , 5, and 7 are shielded t wisted pair connec tions . In additio n to comply ing with the 10 BA SE-T standard, e ach port p r o vides support fo r features that ar e b eyond t h e scope of the 1 0BASE-T standard: ❑ suppo rts shield ed twisted pai [...]

  • Pagina 19

    Introd uction 1 - 3 Figure 1-1. 1 0 BASE-T M odule Faceplate and ONline System Con ce ntrato r[...]

  • Pagina 20

    1 - 4 ONl ine Ethernet 10 BASE-T Mod ule User’s G ui de Dip Switch es The 10BA SE-T Module has th r ee d ip switch es located on th e modu le: ❑ 8-swi tch d ip switch (SW1 ) ❑ 4-swi tch d ip switch (SW3 ) ❑ 8-swi tch d ip switch (SW6 ) T able 1-1. I nterpreta ti on o f the 10BASE-T Module LEDs LED Nam e Colo r State Indicates Activit y (Por[...]

  • Pagina 21

    Introd uction 1 - 5 Confi gure the swit ches to the s etting s you want if dif ferent than the default valu es. (Refer to T able 1-2 , T able 1-3, T abl e 1-4, an d T able 1-5 fo r an explanatio n of t h e dip switch s e t tings.) Figure 1-2 sho ws the lo cation of the dip s w itches. Figure 1-2. 10BASE-T Module and Dip Switch Locat i ons Dip Swit [...]

  • Pagina 22

    1 - 6 ONl ine Ethernet 10 BASE-T Mod ule User’s G ui de On po s i tion, therefore, all ports are initially enabled . T abl e 1 -2 desc ribes the settin gs and fu nction s for switch es 1 th roug h 8. If you have an ONline Ethern e t Network Manag ement Mo d ule in stalled in your concent rator , yo u can rem otely overrid e the se switch s et tin[...]

  • Pagina 23

    Introd uction 1 - 7 T able 1- 3 explains crossov er mode a nd sq uelch mod e switch settin gs and the sectio ns follo wing the table explain these features in more detail. The channel selecti on switch e s are discussed in T ab l e 1-4. Crossover M ode Sw itch All eight ports on the 10BASE-T Module are internally crossed over as per 10BAS E - T sta[...]

  • Pagina 24

    1 - 8 ONl ine Ethernet 10 BASE-T Mod ule User’s G ui de The Of f posit io n s et s the Squ elch level to low . When the Squelch level is set to low , the ports ar e able to r eceiv e weaker signals. Note that Lo w Squelch mode does no t con form to the 10B ASE-T stand ar d. If you ch ange the module's Squelch l e vel to lo w , yo u must chan[...]

  • Pagina 25

    Introd uction 1 - 9 10BA SE-T Mod ule is ini tially conf igured to channel 1. T o recon fig ur e the module to a di ffer en t ch annel, r efer to the in form a t ion in T able 1 -4. If you have an ONline Ethern e t Network Manag ement Mo d ule in stalled in your co ncentrato r , yo u can re m otely override these swit ch settings. Dip Swit ch SW6 ([...]

  • Pagina 26

    1 - 10 ONline Eth ernet 10B ASE-T Mo dule User’s Guide If you enabl e a port and disable Lin k In tegrity , the Statu s LED is o n for 10 seconds and b links off for 4 00 msecs to ind icate that L ink Integrit y is disable d. T able 1- 5 lists the settings and f un ctions for sw itc hes 1 throu gh 8 . If you have an ONline Ethern e t Network Mana[...]

  • Pagina 27

    Intro ductio n 1 - 11 assigned. The channel check sequence re peats f ive ti m es. T ab le 1 -6 exp lains the chann el check co des. The LED/Chan nel C h eck b u t ton and the Controller Module are explained in more detail in the ON line C ont roller M odul e In stallation Gu ide . The ONli ne E ther net Network Manage me n t Module The ONline Netw[...]

  • Pagina 28

    1 - 12 ONline Ethernet 10BASE-T Mo dule User’s Guide ❑ chang e channel selectio n (per m odule) (SET MOD ULE 4 CHANNEL 2) The O Nlin e Eth ernet Manageme nt Mo dule allows yo u to set redundan cy between the ports. Refer to R edundant Link s in Chap ter 2 for an example of setting redun danc y between co nc e n trat ors using 10 BASE-T Mo dules[...]

  • Pagina 29

    Designin g and Expand ing the Net work 2 - 1 2 Designing a nd Expanding the Network This appen di x contain s co nfigu ratio n informa t ion that w ill help you to design your networ k. Install all e quip ment u sing o nly ap proved cables for proper operation . Refer to A ppendix A in the T wisted Pair Conn ectors an d Cabl e s section fo r in for[...]

  • Pagina 30

    2 - 2 ONl ine Ethernet 10 BASE-T Mod ule User’s G ui de Unders tand ing the Gen eral R ules As part of yo ur netwo rk d esign, it is imp ortant to c on sider your n e t wo rk size. For instance, is the network (end-to-end) 100 met ers, 1000 meters, 4000 meters, or m o re? What are your plans for expansion? Y o ur answers play a role in ho w yo u [...]

  • Pagina 31

    Designin g and Expand ing the Net work 2 - 3 T able 2-1 outli nes the seven basic rules to keep in mind w hen you c ons truct your net wor k . T able 2-1. Seven B asi c Netw or k Rules Rule Definition Rec omme ndat ion s/ Notes 1 If pos s ible, use 10BAS E - FB as the backbon e me dium. Use 62.5 m icron cable to c onform with th e I EEE 10BA SE-F a[...]

  • Pagina 32

    2 - 4 ONl ine Ethernet 10 BASE-T Mod ule User’s G ui de 4 Certain LA N devices on th e netw ork shrin k the maxi mum Fibe r Ethern et network diamet er to less than 42 00 me ter s. Many L A N products delay the sign a l that goes through them. This is known as equivalent distance . Every microsecond delay reduces th e maximum lin k distanc e. In [...]

  • Pagina 33

    Designin g and Expand ing the Net work 2 - 5 6 The fiber li nk distances must not exc eed the limits imposed by the optical pow er budget. In g eneral, on 62.5 m icr on cabl e, you can g o up to 4000 m eters poin t-to-po int using the ON core or ONline Fiber Modules. If you h ave poor qualit y cable or cros s m any patch panels, you may h ave to sa[...]

  • Pagina 34

    2 - 6 ONl ine Ethernet 10 BASE-T Mod ule User’s G ui de LAN E q uiv alence LAN equ ivalence i s the sum of both t he inc oming and outgo ing modu le port signals. Differe n t modules, however , h ave d if f er ent equival e nt distances. T a b le 2-2 lists the LAN product equ ivalent distances. T able 2-2. LA N P roduct Equiv alent D istan ces LA[...]

  • Pagina 35

    Designin g and Expand ing the Net work 2 - 7 Fib er Bac kbo n e, T wisted Pai r T o-The- D esk Wh en yo u configure a network wit h unshield ed or shiel ded twisted p air cabling to -the-desk an d fib er for the backbon e , there are only thr ee additi onal rules you need to be awa re of: ❑ Ther e can be no mor e t h an eight 10BASE-T Mod ules (5[...]

  • Pagina 36

    2 - 8 ONl ine Ethernet 10 BASE-T Mod ule User’s G ui de ❑ There is an equivalent fi b e r distance for the 1 0BASE-T Modules (see Rule 4). The equivalence is: – 420 meters for signals that exter n ally enter a 10BASE-T Mod ule port – 165 meters f or signals t hat inter nally e nter a 10 BASE-T Mod ule vi a th e O Nline Concen trator backpla[...]

  • Pagina 37

    Designin g and Expand ing the Net work 2 - 9 . Figure 2-1. Sam pl e C onf iguration D i st ance Calculati on Use the following steps to deter mine whether your netwo rk con figuration is legal: 1. Begin with 4.2 km (4200 m ) since thi s is the max i m u m networ k diameter fo r a pur e fib er netw or k (Rule 3). 2. Subtract 10 0 m for the signal ex[...]

  • Pagina 38

    2 - 10 ONline Ethernet 10BASE-T Mo dule User’s Guide For the co nfigur a t ion show n in Figure 2-1 to work, the fib er equivalent distance betw een transceiver A and transceiver B must be less than 4200 meters. As you c a n see in the calculation , there ar e still 15 10 meters left fo r expansion in this conf iguratio n. Be awar e th a t the li[...]

  • Pagina 39

    Des igni ng and E xpa ndi ng t he Net work 2 - 11 T wisted Pair B ackb o ne, T wisted Pair T o-Th e-Des k In con structin g a twiste d pair b ackbo ne, one add itional con figurati on rule must b e co nsid er ed: ❑ There can be no mo r e than eight 1 0BA S E- T Modules in the path between an y t w o transceivers due to the Ethern et fou r -repeat[...]

  • Pagina 40

    2 - 12 ONline Ethernet 10BASE-T Mo dule User’s Guide Whi le there is no fiber in this co nfigu ration, t he fib e r equiv alent di s tanc e can be cal cul at e d a s follo w s: T o tal lin k distance: 15 0 m + 100 m + 1 00 m + 50 m + 20 m = 420 m T otal equ ivalent distan ce of 10 BA SE-T Mo dul e s : 4 * 420 m + 4 * 1 65 m = 234 0 m (signal e xt[...]

  • Pagina 41

    Des igni ng and E xpa ndi ng t he Net work 2 - 13 T o set r edundancy betwe e n two 10 BASE-T M o dules, con nect t w o links between the mo d ules. The redundant link must be connected to a p ort on the same 1 0 BASE-T Module as the prim a ry link. Use a crossover adapter between each lin k unle ss you ch oo se to uncross port 8 on on e o f the mo[...]

  • Pagina 42

    2 - 14 ONline Ethernet 10BASE-T Mo dule User’s Guide Patch Panel s Patch panels weaken sign als, thereby reducing achievable lin k distance s . 3Com includes the use of one patch panel in t he 1 50 m e ter link distan ce calculatio n. Howev er , each addi tional patc h pan el in the link redu ces the 150 meter lin k d istance b y app r ox i matel[...]

  • Pagina 43

    Installing an d Operat ing the Mo dule 3 - 1 3 Installing and Operati ng the Mod ule This chapter descr ibes the precautionary , unpackin g, and installati on procedures for the Ether n et 10BA S E -T Mod ul e . Pr ecau tionary Pro c ed ur es Electrostatic discharge (ESD) can damag e static-sensitiv e devices o n circuit boar ds. Foll ow t hese pre[...]

  • Pagina 44

    3 - 2 ONl ine Ethernet 10 BASE-T Mod ule User’s G ui de Unpac king Pr oced ures Use the follow ing proced ure when u np acking you r 10 BAS E -T Mod ule. 1. V eri fy th at the 10BA SE-T Mo dul e is the correct mod el by matc hin g the m odel numb er listed o n the side of the ship pin g carton t o the model number y o u ordered (5108M-TP). Note t[...]

  • Pagina 45

    Installing an d Operat ing the Mo dule 3 - 3 1. Set the dip sw itch es on the board to the settin gs you want , if different than the default valu es. (Refer to T able 1-2, T able 1-3, T ab le 1-4 , and T ab le 1-5 for an explan ation o f the dip s witch setti ngs. ) 2. Locate a blank slot in the conc entrator . If there is no blan k slot, you mu s[...]

  • Pagina 46

    3 - 4 ONl ine Ethernet 10 BASE-T Mod ule User’s G ui de 4. Fasten the sprin g - loaded scr ews on the front of the 10BASE-T M odule face-plat e to t he concen trator w ith yo ur fing e rs (do not overtigh ten). 5. Attach the twisted pair cable to the port o n the fro n t o f the 10BASE-T Module as shown in Figure 3-2. Then attach the other end of[...]

  • Pagina 47

    Troublesh ooting 4 - 1 4 T roubleshooting This chapt er describes troubleshooting procedures for the ON li n e Ethernet 10BA SE-T M odule. Inf or m ation o n trou bleshooti ng will assist you i n verifyin g operatio n . T ypical fault c on ditions are addressed in thi s chapt er . T r oub lesh ooti ng Diagno stic featu r es are covered in T able 1 [...]

  • Pagina 48

    4 - 2 ONl ine Ethernet 10 BASE-T Mod ule User’s G ui de T roublesho oting Wi th the Statu s LEDs A blinkin g Port St at us ind icato r may be a s i gn th at the p ort detects a potenti al problem. On ce a p ort detect s a problem, yo u can furth er analyze the problem by co unting th e n um b er of blinks. T ab le 4-1 provide s tr o ub leshooting[...]

  • Pagina 49

    Troublesh ooting 4 - 3 1 Blink Link Integ rity Err o r Ca bl e no t connec ted Connect cable. Cable broken Check cable with cab le tester . Repair or replace cable. Cabl e too long T ry a shorter cab le. Remote connectio n has Link Integ rity disabled Enable Link Integrity at r em ote c onnect ion o r if the remote l ink does not have Link Integ ri[...]

  • Pagina 50

    4 - 4 ONl ine Ethernet 10 BASE-T Mod ule User’s G ui de 2 Blinks Port Partitioni ng Faulty cable Check cable with cab le tester . Repair or replace cable. Networ k over loaded Reassign users to another ch annel to balance the load . Jabbe r condi tion T ransceiver attached to t h e port is jabber in g or has DTE jabbe r T ry another por t or r ep[...]

  • Pagina 51

    Troublesh ooting 4 - 5 T roublesho oting Wi th the Activity LEDs Ther e may be s ituatio ns w h er e a port's Acti vity L E D may not light. Use the tr o ub leshootin g sug gestions in T abl e 4-2 to help isolate wh y this has occur red. T able 4-2. T roubleshooting W ith the Port Activity LEDs L ED Na me LED State Poss ible P r oble m T roubl[...]

  • Pagina 52

    4 - 6 ONl ine Ethernet 10 BASE-T Mod ule User’s G ui de T echn ica l As si sta nce Y ou can receive as s istance fo r instal ling and t r ou bleshoot ing the 1 0BA SE-T Module b y calling eith er your 3Com reseller or 3Com T ech ni c al Support. Be pre p a red to s upp ly a r epre sen tative with t he foll owing info rmation: ❑ De s c riptio n [...]

  • Pagina 53

    Sp e c ification s A - 1 A Spec ifi cations ONli ne Eth e rn et 10BASE-T Modul e Spec ifi cati ons This append ix lists specific ations for the 1 0BASE-T Module. There a re five subsections : ❑ Electrical Spec ifications ❑ En vironmen tal Specificati ons ❑ Mech anical Specific ations ❑ Gen eral Specif icatio ns ❑ T wisted Pair Co nnector [...]

  • Pagina 54

    A - 2 ONl ine Ethernet 10BA SE-T Module User’s Gui de Enviro n mental S pecifications Operating T emp eratur e: 0° to 50° C (32° to 122 ° F) Storage T em perature: -30° to 65° C (-22° to 14 9° F) Humidity: less than 95%, no n-condensing BTU/hr : 30 Mechan ical Specificatio n s Dim ension s: 1.0" W x 10 .25" L x 8.5" H (2.54[...]

  • Pagina 55

    Sp e c ification s A - 3 Cabl e propagation veloci ty: >.58 5c Host Interface: 3Com ONline System Concentrator b us interface standard Installat ion Attac hm ent: T wo th u m bscrews o n the mo unting brac ket T wi s ted Pair C onn ecto rs an d Cabl es Ther e are many types of cab les and co nnectors that yo u can u s e to link your 10BAS E -T M[...]

  • Pagina 56

    A - 4 ONl ine Ethernet 10BA SE-T Module User’s Gui de Refer to Figure A-1 for an exampl e of this co nnector and the cab le pin-o uts. Figure A-1. RJ45 Connector Pin-outs Some instal lations ma y have 50 -pin T elco c onnecto rs at the wiring c loset. We recomm end using a p atch pan el t hat converts from 50-pin to RJ4 5-type connec tors. T his [...]

  • Pagina 57

    Sp e c ification s A - 5 Connecting T wisted Pair Cab les We r eco mmend that yo u conn ect cables first a t the activ e c oncentr at or location , and conn ect transceivers second. Refer to the ONline System Con centrator I nstallation an d Operat ion Guid e f or more inform ation ab out the ON line System C oncentr ator c onnectio ns.[...]

  • Pagina 58

    [...]

  • Pagina 59

    Technical Support B - 1 B T echnical Support 3Com prov ides easy acce ss to technical support in formation through a variety of servic es . This app endi x describes the following s ervices: ❑ On -line T ec hnical Sup port ❑ Su pport from Y our N etwork Sup plier ❑ Su pport from 3Com ❑ Retur nin g Produc ts f or Rep air ❑ Accessin g the 3[...]

  • Pagina 60

    B - 2 ONl ine Ethernet 10 BASE-T Mod ule User’s G ui de Email T ech nical S u p port Y ou can contact the Integ rated Systems Division (for merly Ch ipcom) on the Inter net for tech nical suppo rt using th e e-mail address techsu pp@c hipco m.com. World Wi d e Web S ite Y ou can acc ess the latest netwo rking info rm ati on on the 3 Co m Worl d W[...]

  • Pagina 61

    Technical Support B - 3 When y ou c ontact you r network sup plier for a ss istance, hav e the f ollow ing inform at ion re a d y: ❑ Diagn ostic error messages ❑ A list of system hardware and software, inclu ding r evisio n level s ❑ Details abou t r ecent con fig ur a tion chan ges, if ap plic able If you are unable to co ntact yo ur networ [...]

  • Pagina 62

    B - 4 ONl ine Ethernet 10 BASE-T Mod ule User’s G ui de For access to customer service for all 3Com p roducts, call (800) 87 6 -3 2 6 6. Y ou can also contact the Integrated Sy s t ems Division (ISD) on t he I n ternet by u sing t he e - mail add r ess techsup p@ch ipcom.co m. Retur ni ng P r od ucts fo r Repair A product sent directly to 3 C o m[...]

  • Pagina 63

    Technical Support B - 5 3. En ter you r full Inter net e-m ail add r ess as the passwor d (for exam ple, jdoe @com pany. com ). 4. Chan ge to th e m ib or schem a directo ry using th e cd /p ub/mi bs or cd /p ub/ mi bs /s ch em as command. 5. T o view t he 3Com MIB, O ID, or sch ema e ntries, enter the dir command. ❑ T o pause the d isplay , p re[...]

  • Pagina 64

    [...]

  • Pagina 65

    Inde x 1 Inde x Numerics 3Com Bull etin Board Service (3C omBBS) , B - 3 A Audienc e of M anu al , x i B Backbone Fiber Medium , 2-2 bulletin board service , B-3 C Cable Typ es Shielded Twisted Pair , 1-1 Unshielded Twis t ed Pair , 1-1 Cabling Connectors , A-3, A- 4 Fiber Backbone , 2-7, 2-8, 2-1 0 Redundant Links , 2-13 Twisted Pair Backbo ne , 2[...]

  • Pagina 66

    2 Inde x M MIB , B - 4 N network suppli e r suppo r t , B - 2 O ONline Co nt roller Mo dule , 1-10 ONline Ethernet Management Module , 1 - 1 1 , 1-12 on-line techni cal servic es , B-1 P Patch Panels , 2-14 R Redundancy , 2 - 1 3 returning produc ts for repair , B-4 S Shielded Twisted Pair , 2-10, 2-1 2 SNMP Commands , B - 4 Star Topology , 2 - 3 T[...]