User's Manual

Chapter4OperationandMaintenance
10.TightenthejackingscrewclockwiseandjacktheZXSDRR8978chassis.Then,loosen
theplate-pressingboltanti-clockwise.
11.PulluptheZXSDRR8978fromthepoleorwall-mountingbracket,andremovethe
ZXSDRR8978.
12.Putthefaultyequipmentintothemoistureproofantistaticbag.Labeltheequipment
model,sectorIDandfaultinformationonthebag.Putthefaultyequipmentintothe
cartonandlabelthesameinformationastheantisaticbag.
13.Reinstallallequipmentpartsandtighteneveryscrew.
14.Connectallcableswithwaterproofandinsulationprotectivetreatment.
15.PowerontheZXSDRR8978.
16.TheZXSDRR8978performtheself-testprocessafteritispoweredon.Duringthe
self-test,youneedtoobservetheindicatorstatusandperformoperationsaccordingly.
If...Then...
Theindicatorisnormal,whichmeans
thatservicesarerestored.
Theself-testandreplacementaresuccessful.
Theindicatorisabnormal,whichmeans
thatservicesarenotrestored.
Troubleshootthefaultandhandletherelevantalarms,or
contactZTEtechnicalsupport.
EndofSteps
4.6.2ReplacingtheOpticalModule
Theopticalmoduleprovidestheopticsandelectricalconversion.Replacingtheoptical
modulewillinterruptalltheservicescarriedontheopticalmodule.
Caution!
lTheopticalmodulesupportshotplugging.Beforehotplugging,youmustwearthe
antistaticwriststrap.
lDonotlookdirectlyattheopticalmoduleinsidewhenreplacingtheopticalber,
avoidingdamagetoyoureyes.
Prerequisite
lPrepareaproperopticalmodule.
lTakearecordoftheconnectionpositionatbothendsofthefaultyopticalmodulesand
bers.Markthepositionsbetweentheopticalmoduleandbers.
ToolFunction
AntistaticwriststrapProvidesantistaticprotection
4-7
SJ-20140808143736-001|2014-10-30(R1.1)ZTEProprietaryandCondential