Chapter6InstallationandDebugging
�CrossovernetworkcableRJ45J:cableconnectionrelationship
iscrosscorrespondencebetweentwotwistedpairsatboth
ends.ThespecicconnectionrelationshipisshowninTable
12
TABLE12CROSSOVERNETWORKCABLERJ45JCABLESEQUENCE
EndAChromatogram
EndB
1
White-orange
3
2Orange6
3
White-green
1
6Green2
4
Blue
4
5
White-blue
5
7
White-brown
7
8
Brown
8
OpticalFiberInstallation
EachopticalberinterfaceinZXR103900A/3200Acontainstwo
bers;oneisusedforreceivingdataandtheotheroneisusedfor
transferringdata.NotethatthereareTX,RXonthepanel.Do
notmixthem.Therearetwokindsofbers:single-modeber
andmulti-modebers.Userscanusethemaccordingtopractical
conditions.SixbersareshowninT able13.
TABLE13FIBERTYPES
ModeSwitchConnectorEndConnectorType
FC/PC
SC/PC
SingleMode
SC-PC(square
adapter)
ST/PC
FC/PC
SC/PC Multi-mode
SC-PC(square
adapter)
ST/P
Asforberoutofthecabinet,makesuretoprotecttheber
againstanydamageswithplasticcorrugatedsleeve.Theber
withintheprotectsleevemustnotbewoundupandthecorners
mustberadian.Thelabelsattwoendsofthebermustbeclear .
Themeaningofthelabelmustcorrectlyreectcorrespondingse-
rialnumbersandrelationshipbetweencabinetsandbetweenrows.
CondentialandProprietaryInformationofZTECORPORATION33
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