Zte ZXMW NR8250 - 134237736 Rs-Oof

ZXMWNR8250AlarmandNoticationHandlingReference
HandlingProcedure
1.Checkwhethertheopticalberisingoodcondition,andtheopticalconnectorisclean
andconnectedproperly.
lIfyes,replacetheopticalber.Cleantheopticalconnectorandinstallitagain.
lIfno,replacetheRTUBboard.
2.EnsurethatthesignalsourceofupstreamequipmentandtheconnectedNR8250
equipmentusethesameclocksource.
3.Replacetheopticalmoduleandensurethattheopticalmoduletypeandratearethe
sameasthoseconguredintheLMTsystem.
2.2.8134237736RS-OOF
AlarmProperty
lAlarmCode:134237736
lAlarmInformation:Thealarmindicatesthatinterruptionoccursattheregenerator
section.Thelocalenddoesnotreceivethesignalfromtheremoteend.
lAlarmLevel:Critical
lAlarmType:CommunicationsAlarm
Sub-codeDescription
lSub-code1:Opticalport1ontheRTUBboard;
lSub-code2:Opticalport2ontheRTUBboard.
EffectontheSystem
TheboardcannotidentifythedataframeforthereceivedSDHsignal,andtheserviceis
interrupted.
PossibleCauses
1.Theclockcongurationisdifferentfromthatoftheupstreamdevice.
2.Toomanyerrorcodesaregeneratedduringthetransmission.
3.TheRTUboardthatreportsthealarmisfaulty.
HandlingProcedure
1.Checkwhethertheupstreamdevicesignalsourceusesthesameclocksourceasthe
connectedNR8250device.
lIfyes,gotostep2.
lIfno,modifythecongurationtoensurethatusethesameclocksourceisused.
2.ReplacetheRTUBboard.
2-30
SJ-20111008094748-008|2012–05–30(R1.1)ZTEProprietaryandCondential