Zte ZXMW NR8250 - 134217729 SNTP-Based Time Calibration Failure

ZXMWNR8250AlarmandNoticationHandlingReference
EffectontheSystem
Thesystemclockcannotlockthereferenceclocksource.ThisaffectstheSDH,E1,and
ETHtrafc,causingserviceerrorcodeorserviceinterruption.
PossibleCauses
Theequipmentfailstodetecttheexternalclocksource.
HandlingProcedure
Takemeasuresbasedontheclockreferencesource:
1.FortheRCUB1PPS+TODclockreferenceandRCUBBITSclockreference,ensure
thatclocksignalsareinputtotheCLKINinterfaceontheRCUBpanelandthatclock
cableisconnectedproperlyandundamaged.Ifthealarmpersists,replacethefaulty
RCUboard;
2.FortheSDHorE1clockreference,ensurethatcables(E1cableorber)areproperly
connectedtothecorrespondingportsontheIDUpanel.Ifthealarmpersists,replace
thefaultyRTUboard;
3.Fortheairinterfaceclockreference,ensurethattheradiolinkislocked,thatis,the
LINKindicatorontheRMUBboardislit.Ifthealarmpersists,replacethefaultyRMU
board;
4.FortheSyncEor1588clock,ensurethattheGbEportsonRCUB/RTUN/RTUH
boardareconnectedwithpropercables.Ifthealarmpersists,replacethefaulty
RCUB/RTUN/RTUHboard;
2.1.5134217729SNTP-basedtimecalibrationfailure
AlarmProperty
lAlarmCode:134217729
lAlarmInformation:ThealarmisreportedifautomaticormanualSNTP-basedtime
calibrationfails.Thealarmwillbeclearedaftertimecalibrationsucceeds.
lAlarmLevel:Minor
lAlarmType:EquipmentAlarm
Sub-codeDescription
None
EffectontheSystem
Thesystemtimeisnotaccurate,andthetimeaccuracyofdatarecordingsuchas
performanceandalarmstatisticsisaffected.Thenormalserviceoperation,however,is
notaffected.
2-4
SJ-20111008094748-008|2012–05–30(R1.1)ZTEProprietaryandCondential