Zte ZXMW NR8250 - 134237746 Tu-Ais

ZXMWNR8250AlarmandNoticationHandlingReference
PossibleCauses
1.ThesignalssentfromtheupstreamequipmenttoNR8250equipmentcontainsthe
MS_AISsignal.
2.TheRTUboardthatreportsthealarmfails.
HandlingProcedure
1.CheckwhetherNR8250upstreamequipmentdetectstheMS_AISsignal.
lIfyes,itindicatesthattheupstreamequipmentisfaulty.Removethefaultand
replacethefaultyboard.
lIfno,gotostep2.
2.ThealarmiscausedbyRTUBboardfailure.Replacetheboard.
2.2.13134237746TU-AIS
AlarmProperty
lAlarmCode:134237746
lAlarmInformation:TributaryUnitAlarmIndicationSignal(TU-AIS)
lAlarmLevel:Major
lAlarmType:CommunicationsAlarm
Sub-codeDescription
Eachsubcoderepresentsatimeslot.Theformer63timeslotsareusedforopticalport
1,andthelatter63timeslotsareusedforopticalport2.
EffectontheSystem
ThereceivesignaltransmittedontheSDHlinkisinterrupted.
PossibleCauses
1.ThesignalssentfromtheupstreamequipmenttoNR8250equipmentcontainsthe
TU_AISsignal.
2.TheRTUBboardthatreportsthealarmfails.
HandlingProcedure
1.CheckwhetherNR8250upstreamequipmentdetectstheTU_AISsignal.
lIfyes,itindicatesthattheupstreamequipmentisfaulty.Removethefault.
Replacethefaultyboard.
lIfno,gotostep2.
2.ThealarmiscausedbyRTUBboardfailure.Replacetheboard.
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SJ-20111008094748-008|2012–05–30(R1.1)ZTEProprietaryandCondential