Zte ZXMW NR8250 - 134237738 Hp-Exc

Chapter2Alarm
2.2.9134237738HP-EXC
AlarmProperty
lAlarmCode:134237738
lAlarmInformation:ThealarmisreportedifthequalityofSDHframesignalreceived
bytheboarddegradesandBit24errorcodesofthemultiplexsectionexceedthe
threshold.
lAlarmLevel:Major
lAlarmType:CommunicationsAlarm
Sub-codeDescription
lSub-code1:STM-1ofopticalport1(LMTdisplays"STM-1");
lSub-code5:Path1ofopticalport2(LMTdisplays"STM-2-Channel1");
lSub-code6:Path2ofopticalport2(LMTdisplays"STM-2-Channel2");
lSub-code7:Path3ofopticalport2(LMTdisplays"STM-2-Channel3");
lSub-code8:Path4ofopticalport2(LMTdisplays"STM-2-Channel4");
lSub-code10:STM-1ofopticalport2(LMTdisplays"2STM-1").
EffectontheSystem
ThenumberofBit8errorcodesinthesignalreceivedbytheboardexceedsthethreshold.
Thisalarmmayaffectthesignalservicequality.
PossibleCauses
lThealarmmaybegeneratedtogetherwithotherhigh-levelalarms.
lTheberconnectorisnotcleanortheopticalmoduleisnotmatched.
lThesignalsourceoftheupstreamequipmentisfaulty.
lTheNR8250equipmentfailstoreceiveupstreamservicesignals.
HandlingProcedure
1.Checkwhetheralarmswithhigherseveritylevelsaregenerated.
lIfyes,refertothecorrespondinghandlingsuggestionstoclearthealarms.
lIfno,gotostep2.
2.CheckwhetherthebercableandopticalmodulebetweenNR8250equipmentand
uplinkequipmentareconnectedproperly.
lIfyes,inserttheopticalberandopticalmoduleagain.
lIfno,gotostep3.
3.CheckwhethertheboardforsendingsignalsofNR8250equipmentanduplink
equipmentareoperatingproperly.
lIfyes,gotostep4.
lIfno,replacetheboard.
4.ThealarmiscausedbythefailureoftheunitforreceivingsignalsintheRUTBboard.
Replacetheboard.
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SJ-20111008094748-008|2012–05–30(R1.1)ZTEProprietaryandCondential