Instruction/ maintenance manual of the product CoreBuilder 3500 3Com
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70-km Gigabit Ether net GBIC T ransceiver Installation Guide For 3Com Gigabit Interface Converte r (GBIC ) T ransceiver s Description The Gi gabit Interfa ce Converte r (GBI C) ports on you r system con nect to Giga bit Eth er net netwo rks through a GBIC trans ceiv er (F igure 1), pr ovid ing a high- speed connec tion ov er fiber -optic cabl e.
2 70-km Gigab it Ethernet GBIC Transceiver Installa tion Guide T able 1 shows the transm issio n rang e and o ther d ata for this co nnec tion. T able 2 shows the op tical pa rame ters of th e 70-km Gigabit Ether net GBIC. Safet y Pr ecautio ns Be sur e to foll ow all safety pr ecautions when you repl ace a GBIC trans ceiver i n the syst em.
70-km Giga bit Ethern et GBIC Transceiver In stallation Guid e 3 W ARNI NG: The fiber o ptic l asers used in 3C om GBIC ports m eet th e regulato r y req uiremen ts for casu al expo sure to the e ye. As with an y sour ce of bri ght li ght, h owever , 3Com re commends that yo u do not look into th e laser l ight sou rce.
4 70-km Gigab it Ethernet GBIC Transceiver Installa tion Guide Figu re 2 Inserting the 70-km GBIC T ransceiver in a CoreBuilder 3500 Figu re 3 Inserting the 70-km GBIC T ransceiver in a CoreBuilder 90.
70-km Giga bit Ethern et GBIC Transceiver In stallation Guid e 5 3 Gentl y sl ide the tra nsce iver into t he GB IC por t unti l it cl ick s into plac e. CAUTION: G BIC tra nsceiver s are keyed a nd can be pro perly inse rted on ly one way . If the transceiver does not click when you insert it, turn it over and rein sert it.
6 70-km Gigab it Ethernet GBIC Transceiver Installa tion Guide The event log may show one o f the foll owing i nformati onal me ssages: ■ Unqualified GBIC: I2C read error Mean ing The transcei ver , which conne cts to the modu le host boar d throu gh a 20-pi n connecto r is not seated pr oper ly , and a cl ean conn ection canno t be establ ished.
70-km Giga bit Ethern et GBIC Transceiver In stallation Guid e 7 GBIC Disab le Err or If the system detects tha t the tra nsceiver cannot emi t the p roper laser signa l, i t dis ables the p ort, sets t he po rt ty pe to disabled , displays a short descri ption ( GBIC Disable ), a nd c ap tures t he error in th e e ven t lo g.
8 70-km Gigab it Ethernet GBIC Transceiver Installa tion Guide Inc orr ect V a lue in the Ethernet Di splay Fi eld (Co r eBuild er 3500) An incorr ect value appea rs in the Ethernet display f ield when all of these condit ions ar e true: ■ Y our Cor eB uilder 3500 i s r unning syst em soft war e at R eleas e 2.
70-km Giga bit Ethern et GBIC Transceiver In stallation Guid e 9 Samp le C alcu latio ns Syst em A 60 km o f fib er with 8 mati ng co nnec tors: 1 60 km of s ingle-m ode fiber x 0.
10 70-km Gigab it Ethernet GBIC Transceiver Installa tion Guide The budget figures for all three of the sample systems r eflect conservative values for fibe r attenua tion an d conne ctor atte nuatio n to a ssure operat ion at 70 km under typ ical to le ss-than- ideal con dition s.
3Com Corporation L IMITE D W ARRAN TY 3Com GBIC T ran sceivers H AR DWAR E 3Com warran ts to the en d user (“Custom er”) that this har dware pro duct will be free fr om defects in w orkmanship and mat eria ls, u nder norm al use and s ervic e, fo r one (1 ) yea r fro m the d ate o f purc hase fro m 3C om or it s a uthor ized resell er.
W ARRANTIES E XCLUSIVE IF A 3COM PRODUCT DOES NOT OPERATE AS WARRAN TED ABOVE, CUSTOMER ’S SOLE REMEDY FOR BREACH OF THAT WARRANTY SHALL B E REPAIR, REPLACEMENT , OR REFUND OF THE PURCHASE PRICE PAID, AT 3COM’S OPTION.
An important point after buying a device 3Com CoreBuilder 3500 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought 3Com CoreBuilder 3500 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data 3Com CoreBuilder 3500 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, 3Com CoreBuilder 3500 you will learn all the available features of the product, as well as information on its operation. The information that you get 3Com CoreBuilder 3500 will certainly help you make a decision on the purchase.
If you already are a holder of 3Com CoreBuilder 3500, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime 3Com CoreBuilder 3500.
However, one of the most important roles played by the user manual is to help in solving problems with 3Com CoreBuilder 3500. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device 3Com CoreBuilder 3500 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
