Zte ZXMW NR8250 User manual

ZXMWNR8250
DigitalMicrowaveTransmissionSystem
AlarmandNoticationHandlingReference
Version:V2.00
ZTECORPORATION
NO.55,Hi-techRoadSouth,ShenZhen,P .R.China
Postcode:518057
Tel:[phone]
Fax:[phone]
URL:http://ensupport.zte.com.cn
E-mail:[email protected]

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UsersmayvisitZTEtechnicalsupportwebsitehttp://ensupport.zte.com.cntoinquirerelatedinformation.
TheultimaterighttointerpretthisproductresidesinZTECORPORATION.
RevisionHistory
RevisionNo.RevisionDateRevisionReason
R1.12012–05–30Alarmproperties,probablecauses,andhandlingsuggestionsare
modied.
R1.02012–3–10Firstedition
SerialNumber:SJ-20111008094748-008
PublishingDate:2012–05–30(R1.1)

Contents
AboutThisManual.........................................................................................I
Chapter1Overview....................................................................................1-1
1.1FunctionsofFaultManagement..........................................................................1-1
1.2FaultIndication...................................................................................................1-1
1.2.1Alarm......................................................................................................1-1
1.2.2Notication...............................................................................................1-1
1.3Alarm................................................................................................................1-2
1.3.1AlarmProperty.........................................................................................1-2
1.3.2PossibleCauses......................................................................................1-3
1.3.3EffectontheSystem................................................................................1-3
1.3.4HandlingProcedure..................................................................................1-3
1.4Notication.........................................................................................................1-3
1.4.1NoticationProperty.................................................................................1-3
1.4.2PossibleCauses......................................................................................1-4
1.4.3EffectontheSystem................................................................................1-4
1.4.4HandlingProcedure..................................................................................1-4
Chapter2Alarm..........................................................................................2-1
2.1EquipmentAlarm................................................................................................2-1
2.1.11001Boardpoweredoff............................................................................2-1
2.1.21002Boardnotinposition........................................................................2-2
2.1.31004Boardnotcongured........................................................................2-2
2.1.4134217728Clockreferencesourcelost.....................................................2-3
2.1.5134217729SNTP-basedtimecalibrationfailure.........................................2-4
2.1.6134217730RTCclockalarm.....................................................................2-5
2.1.7134217735Clockmodulewasinfault........................................................2-6
2.1.8134218739CPUoverload.........................................................................2-6
2.1.9134218747RPUApoweredoff..................................................................2-7
2.1.10134237737MS-EXC...............................................................................2-8
2.1.11134237778LoopbackstateinTDMport...................................................2-9
2.1.12134237782SNCProutesettingalarm....................................................2-10
2.1.13134237931Opticalmodulenotinposition...............................................2-11
2.1.14134237932Opticalmoduleshutdown....................................................2-11
2.1.15134239932ODUcongurationmodeinvalid...........................................2-12
I

2.1.16134239936XPICalarm.........................................................................2-13
2.1.17134239937ODUpowersupplyabnormal...............................................2-14
2.1.18134241728LoopbackstateinEthernetport...........................................2-15
2.1.191342437651588clockPTPservicesetupfailure....................................2-15
2.1.201342437661588clockPTPlinkabnormal..............................................2-16
2.1.211342437671588referenceclocksourceunavailable..............................2-17
2.1.22134243768TheCapturestatusof1588clocktimeout.............................2-17
2.1.23134317741LoopbackstateinIFormodemport.....................................2-18
2.1.24134237782SNCProutesettingalarm....................................................2-19
2.1.259001ACinputSwitchOff......................................................................2-19
2.1.269002ACPowerOff...............................................................................2-20
2.1.279003SPD-CBroken.............................................................................2-21
2.1.289004SPD-DBroken.............................................................................2-21
2.1.299005ACUnder-Volt..............................................................................2-22
2.1.309006ACOver-Volt...............................................................................2-23
2.1.319007ACCurrentOver..........................................................................2-24
2.2CommunicationAlarm......................................................................................2-24
2.2.1134217734ODUlevelexceeded.............................................................2-24
2.2.2134217736UASalarmatairinterface.....................................................2-25
2.2.3134217737UASalarmofMS..................................................................2-26
2.2.4134217738UASalarmofRS..................................................................2-26
2.2.5134237729RS-LOS...............................................................................2-27
2.2.6134237731E1-LOS................................................................................2-28
2.2.7134237733RS-LOF...............................................................................2-29
2.2.8134237736RS-OOF...............................................................................2-30
2.2.9134237738HP-EXC...............................................................................2-31
2.2.10134237743MS-RDI..............................................................................2-32
2.2.11134237744LP-RDI...............................................................................2-32
2.2.12134237745MS-AIS..............................................................................2-33
2.2.13134237746TU-AIS...............................................................................2-34
2.2.14134237747HP-LOM.............................................................................2-35
2.2.15134237748HP-UNEQ..........................................................................2-35
2.2.16134237749TU-UNEQ..........................................................................2-36
2.2.17134237751HP-TIM..............................................................................2-37
2.2.18134237752TU-TIM..............................................................................2-37
2.2.19134237753HP-PLM.............................................................................2-38
2.2.20134237754TU-PLM.............................................................................2-39
II

2.2.21134237756TU-LOP.............................................................................2-39
2.2.22134237928HP-RDI..............................................................................2-40
2.2.23134237929AU-AIS...............................................................................2-41
2.2.24134237930AU-LOP.............................................................................2-42
2.2.25134237933RS-TIM..............................................................................2-42
2.2.26134237934E1-AIS...............................................................................2-43
2.2.27134239928Radiolinkfailurealarm........................................................2-44
2.2.28134239929Basebandalarm.................................................................2-45
2.2.29134239930RFODUfault......................................................................2-47
2.2.30134239931Transmissionunitinvalid.....................................................2-49
2.2.31134239935ODUmute..........................................................................2-49
2.2.32134241729Ethernetportdisconnected..................................................2-50
2.2.33134243751RMEPCCMpacketlost.......................................................2-51
2.2.34134243752RMEPCCMpacketerror.....................................................2-52
2.2.35134243753RMEPportstatusabnormal.................................................2-52
2.2.36134243754RMEPRDI.........................................................................2-53
2.2.37134243755Ethernetdevicescross-connected.......................................2-53
2.2.38134243756Framelossrateexceedingthethreshold..............................2-54
2.2.39134243757Linkdelayexceedingthethreshold......................................2-55
2.2.40134243758Linkdelayjitterexceedingthethreshold...............................2-55
2.2.41134243769EFMlocallinkfault..............................................................2-56
2.2.42134243770EFMremotelinkfault..........................................................2-56
2.2.43134243771EFMdiscoveryprocessfailure.............................................2-57
2.2.44134243776EFMlocallinklost...............................................................2-58
2.2.45134317734ODUlinkbroken.................................................................2-59
2.2.46134317743SNCPchannelchangeoverInterruption................................2-59
2.3HandlingAlarm................................................................................................2-60
2.3.1134218745Insufcientashmemory......................................................2-60
2.3.2134243738OSPFinterfacecongurationerror.........................................2-61
2.3.3134243739OSPFvirtuallinkinterfacecongurationerror.........................2-61
2.3.42002Communicationlinkbetweenboardsbroken....................................2-62
2.3.56201Softwareloadingfailure..................................................................2-63
2.3.66203Softwareversionsynchronizationfailurebetweenactiveboardand
standbyboard.......................................................................................2-63
2.3.76204Boardsoftwarefault.......................................................................2-64
2.3.86206Runningsoftwareversionfault........................................................2-65
2.3.96209Maincontrolsoftwareversionsynchronizationfailure.......................2-66
2.3.106213Boardinsertedincorrectly.............................................................2-67
III

2.3.116214Softwareversionabnormal...........................................................2-67
2.4EnvironmentAlarm...........................................................................................2-68
2.4.1134243759MSTPportBPDUGuard.......................................................2-68
2.4.2134243760MSTPportLOOPGuard.......................................................2-69
2.4.3134243761MSTPportROOTGuard.......................................................2-70
2.4.4134257728IDUoverheated....................................................................2-70
2.4.54001Outdoortemperaturealarm.............................................................2-71
2.4.6401DCinputvoltageabnormal...............................................................2-72
2.4.74011Outdooraccess-controlalarm.........................................................2-72
2.4.84012Outdoormoisturealarm..................................................................2-73
2.4.94013Outdoorsmokealarm.....................................................................2-73
2.4.104016Outdoorlightningprotectionmodulealarm.....................................2-74
2.4.114017outdoorpowersupplydrycontactalarm.........................................2-74
2.4.124018outdoorfandrycontactalarm........................................................2-75
2.4.13402MPvoltageabnormal.....................................................................2-76
2.4.144020outdoorbatterydrycontactalarm..................................................2-76
2.4.15403PPvoltageabnormal......................................................................2-77
2.4.16404MPovercurrented..........................................................................2-77
2.4.17405PPovercurrented...........................................................................2-78
2.4.18406Fanfailure.....................................................................................2-79
2.5QoSAlarm.......................................................................................................2-80
2.5.1134243772EFMlocallinkevent..............................................................2-80
2.5.2134243778EFMloopbackalarm.............................................................2-80
Chapter3Notication................................................................................3-1
3.110001Boardpower-oncompleted.......................................................................3-2
3.210002Standbyboardpower-oncompleted..........................................................3-2
3.310003PMactive-to-standbychangeovercompleted.............................................3-3
3.410004PMstandby-to-changeovercompleted......................................................3-3
3.510006Boardpower-onfailure.............................................................................3-4
3.610012Modulereset............................................................................................3-4
3.710013Modulestatuserror..................................................................................3-5
3.810014Changeovercompleted............................................................................3-5
3.910015Changeoverfailure...................................................................................3-6
3.1010016Boardchangeoverfailure........................................................................3-7
3.11134243728LLDPglobalenablestatuschanged.................................................3-7
3.12134243729LocalmanagementaddressofLLDPchanged..................................3-8
3.13134243730NeighborinformationofLLDPchanged............................................3-9
IV

3.141342437318032portblocked...........................................................................3-9
3.151342437328032portunblocked.....................................................................3-10
3.16134243733OSPFinterfacestatuschanged......................................................3-11
3.17134243734OSPFvirtualinterfacestatuschanged.............................................3-11
3.18134243735OSPFneighborstatuschanged.....................................................3-12
3.19134243736OSPFvirtualneighborstatuschanged...........................................3-12
3.20134243740OSPFinterfacereceivingincorrectpacket......................................3-13
3.21134243741OSPFvirtuallinkinterfacereceivingincorrectpacket......................3-13
3.22134243742OSPFinterfacereceivingincorrectLSRpacket...............................3-14
3.23134243743OSPFinterfacereceivingincorrectDDpacketsequencenumber.....3-15
3.24134243744HellopacketreceivedatOSPFinterfacedoesnotincludethe
router.............................................................................................................3-15
3.25134243745TimeoutforreceivingOSPFhellopacket........................................3-16
3.26134243746OSPFinterfacedisabledbyadministrator.......................................3-16
3.27134243747OSPFinterfacedisabledphysically................................................3-17
3.28134243748interface'sneighborchanged.........................................................3-17
3.29134243763TheportfailingtobeaggregatedintoaLAG...................................3-18
3.30134243764TheportquittingaLAGduetoexception........................................3-19
3.31134243773EFMremotelinkevent..................................................................3-19
3.32134243774EFMloopbackindication...............................................................3-20
3.33134243777LocalDiscoveryprocessreset......................................................3-21
3.34134317731Congurationlereloaded.............................................................3-21
3.35134317735ODUrmwareupgraded................................................................3-22
3.36134317740RMUswitchover...........................................................................3-23
3.37134317745ACMchange................................................................................3-23
3.38134317746Systemtimeismodied................................................................3-24
3.39134317747Clearperformancedata.................................................................3-24
3.40134317749Mainclockreferencesourcechange..............................................3-25
Glossary..........................................................................................................I
V

VI

AboutThisManual
Purpose
ThismanualdescribeshowtohandleNR8250alarmsandnotications.
IntendedAudience
Thismanualisintendedfor:
lMaintenanceengineers
lOn-dutystaffinequipmentroom
WhatIsinThisManual
Thismanualhasthefollowingchapters:
ChapterDescription
1,OverviewGivesanoverviewofNR8250alarmsandnotications.
2,AlarmsDescribesthealarmsintermsofalarmproperties,probablecauses,
effectonthesystem,andhandlingprocedure.
3,NoticationsDescribesthenoticationsintermsofnoticationproperties,probable
causes,effectonthesystem,andhandlingprocedure.
I

II

Chapter1
Overview
TableofContents
FunctionsofFaultManagement.................................................................................1-1
FaultIndication...........................................................................................................1-1
Alarm.........................................................................................................................1-2
Notication.................................................................................................................1-3
1.1FunctionsofFaultManagement
ThefaultmanagementsystemcollectsfaultinformationfromalltheNEsinthemanaged
networkinnearreal-time,suchasboards,links,databases,andservers,andthen
displaysthecollectedfaultinformationintheformatofalarmornotication.Thefault
managementsystemhelpsthesystemadministratorquicklylocateandresolvefaults
inthemanagednetwork.Italsoprovidestelecomoperators,networkmanagement
departments,andequipmentvendorswithcorrectandtimelyalarmdatatoensurestable
networkoperations.
1.2FaultIndication
Thefaultmanagementsystemindicatesafaultoreventoccurringinthenetworkinthe
formofalarmornotication.
1.2.1Alarm
Afaultisindicatedintheformofalarmwhenitpersistsandaffectsthereliabilityand
servicesofthesystem.Analarmwillbeclearedonlyafterthefaultisresolved.Immediate
troubleshootingisrequiredwhenalarmsoccur.
1.2.2Notification
Anoticationindicatesanon-repeatableorinstantaneousfaultoreventinthesystem,for
example,boardresetandsignalingoverload.Suchafaultoreventisnormallycausedby
asuddenenvironmentchangeorotheraccidentalfactors.Nospecialhandlingisrequired
becausethefaultoreventcausinganoticationcanbeautomaticallyhandledbythe
system.However,afrequently-reportednoticationrequirestroubleshooting.
1-1
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ZXMWNR8250AlarmandNoticationHandlingReference
1.3Alarm
1.3.1AlarmProperty
AlarmCode
Analarmcodeuniquelyidentiesanalarm.
Description
Alarmdescriptionsummarizesthefaultinformation,suchasthefaultcauseand
phenomenon.
Severity
Therearefouralarmlevels,whichareindicatedindescendingorderofseverityasCritical,
Major,Minor,andWarning.
lCritical
Acriticalalarmindicatesafaultthatcausesfailuresofsystemoperationsorservice
capabilities.Immediatetroubleshootingisrequiredwhenacriticalalarmisreported.
lMajor
Amajoralarmindicatesafaultthatseriouslyimpactspropersystemoperationsor
reducesservicecapabilities.Clearingthefaulttorestorethesystemassoonas
possibleisrequiredwhenamajoralarmoccurs.
lMinor
Aminoralarmindicatesafaultthatslightlyinuencespropersystemoperationsor
reducesservicecapabilities.Propermeasuresshouldbetakentoclearthefaultina
timelymannerandpreventtheoccurrenceofmoreseverealarmswhenamajoralarm
occurs.
lWarning
Awarningindicatesafaultthathasapotentialorgradualimpactonpropersystem
operationsorservicecapabilities.Warningmessagesneedtobeanalyzedandproper
measuresshouldbetakentoclearthefaultinatimelymannerandavoidmoresevere
alarms.
Theimpactdegreedescribedinthedenitionofalarmseverityreferstotheimpactona
singleindex,forexample,reliabilityorsecurity.Oncetheimpactonanyindexreachesthe
speciedthreshold,theseveritylevelofthealarmcanberoughlydetermined.Ifanalarm
hasanimpactonmultipleindices,itsseveritylevelshouldbeescalatedaccordingly.
AlarmTypes
Basedonthetriggeringconditionandsystemimpact,alarmscanbeclassiedintothe
followingvetypes:
1-2
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Chapter1Overview
lEquipmentalarm:relatedwithequipmenthardwarefaults.
lCommunicationalarm:relatedwithinformationtransmissionfaults(ITU-T
RecommendationX.733).
lProcessingerroralarm:relatedwithsoftwareorprocessingfaults(denedinITU-T
RecommendationX.733).
lEnvironmentalalarm:relatedwiththeenvironmentwheretheequipmentislocated
(denedinITU-TRecommendationX.733).
lQoSalarm:relatedwithequipmentoperationperformanceorindexes.
1.3.2PossibleCauses
Probablealarmcausesareprovidedtohelpuserstroubleshoot,ndpreventivemeasures,
andrestorethesystemtonormalstateinatimelymanner.
1.3.3EffectontheSystem
Theconsequenceofeachalarmandtheimpactonthesystemandservicesareprovided.
1.3.4HandlingProcedure
Troubleshootingstepsandsuggestionsareprovided.
Duringthealarmhandlingprocess,thefollowingtipsneedsyourattention:
lAfterrecordingthefaultinformation,O&Mpersonnelneedstohandlethefaultstep
bystepassuggested.Ifthereisnootherwisespeciedandthefaultissolved(that
is,alarmiscleared),thealarmhandlingprocessends.Ifthefaultpersists,gotothe
nextstep.
lIffaultcannotberemoved,contactthelocalZTEofce.
1.4Notication
1.4.1NotificationProperty
NoticationCode
Anoticationcodeuniquelyidentiesanotication.
Description
Noticationdescriptionsummarizestheeventinformation,suchasthecauseand
phenomenon.
Severity
Nonoticationseverityisavailable.
1-3
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ZXMWNR8250AlarmandNoticationHandlingReference
NoticationTypes
Thenoticationtypesarethesameasthealarmtypes.
1.4.2PossibleCauses
Probablenoticationcausesareprovidedtohelpuserstroubleshoot,ndpreventive
measures,andrestorethesystemtonormalstateinatimelymanner.
1.4.3EffectontheSystem
Theconsequenceofeachnoticationandtheimpactonthesystemandservicesare
provided.
1.4.4HandlingProcedure
Troubleshootingstepsandsuggestionsareprovided.
Duringthealarmhandlingprocess,thefollowingtipsneedsyourattention:
lAfterrecordingthefaultinformation,O&Mpersonnelneedstohandlethefaultstep
bystepassuggested.Ifthereisnootherwisespeciedandthefaultissolved(that
is,alarmiscleared),thealarmhandlingprocessends.Ifthefaultpersists,gotothe
nextstep.
lIffaultcannotberemoved,contactthelocalZTEofce.
1-4
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Chapter2
Alarm
TableofContents
EquipmentAlarm........................................................................................................2-1
CommunicationAlarm..............................................................................................2-24
HandlingAlarm.........................................................................................................2-60
EnvironmentAlarm...................................................................................................2-68
QoSAlarm...............................................................................................................2-80
2.1EquipmentAlarm
2.1.11001Boardpoweredoff
AlarmProperty
lAlarmCode:1001
lAlarmInformation:Theboardispoweredoff.
lAlarmLevel:Major
lAlarmType:EquipmentAlarm
Sub-codeDescription
lSub-code1:Managementpower
lSub-code2:Servicepower
EffectontheSystem
Theboard'scommunicationlinkisbroken,andservicescarriedbytheboardare
interrupted.
PossibleCauses
Theboardispoweredoff.
HandlingProcedure
1.Checktheadditionalinformationofthealarm.
Ifthealarmhasadditionalinformation,checkwhethertheinsertedboardoftheNEis
inconsistentwiththatconguredatOMCB.
Thefollowingliststheboardtypes(Xrepresentsahexadecimalnumber0~F):
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ZXMWNR8250AlarmandNoticationHandlingReference
lRCU0X30XX
lRTU0X91XX
lRMU0X92XX
lPM0X37XX
2.Turnontheboard'spowersupply.
2.1.21002Boardnotinposition
AlarmProperty
lAlarmCode:1002
lAlarmInformation:Thisalarmisreportedwhentheboardisconguredinthenetwork
managementsystembutisnotinsertedintheactualslot.
lAlarmLevel:Critical
lAlarmType:EquipmentAlarm
Sub-codeDescription
None
EffectontheSystem
Theboardcannotbearanyservice.
PossibleCauses
1.TheboardisconguredinaslotontheLocalMaintenanceT erminal(LMT)butnot
actuallyinsertedinthatslot.
2.TheboardisconguredinaslotontheLMTbutnottightlyinsertedinthatslot.
3.TheboardisconguredinaslotontheLMTbuttheconnectingpartisphysically
damaged.
HandlingProcedure
1.Checkwhethertheboardisinsertedintotheslot.
lIfyes,gotostep2.
lIfno,inserttheboard.
2.Pulloutandplugtheboardintotheslot.Ifthealarmpersists,gotostep3.
3.Replacetheshelf.
2.1.31004Boardnotconfigured
AlarmProperty
lAlarmCode:1004
lAlarmInformation:Thisalarmisreportedwhentheboardisconguredinthenetwork
managementsystembutisnotinsertedintheactualslot.
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Chapter2Alarm
lAlarmLevel:Critical
lAlarmType:EquipmentAlarm
Sub-codeDescription
SlotID
EffectontheSystem
Thereisnoeffectonservices.
PossibleCauses
1.AboardnotconguredontheLMTisinsertedinaslot.
2.ThePMsoftwareisfaultyanddetectsboardsignalfromaslotwithoutboard.
HandlingProcedure
1.Checkwhethertheboardisinsertedintotheslot.
lIfyes,gotostep2.
lIfno,replacethePMboard.
2.Verifythattheboardneedstobecongured.
lIfyes,conguretheboardthroughLMT.
lIfno,pullouttheboard.
2.1.4134217728Clockreferencesourcelost
AlarmProperty
lAlarmCode:134217728
lAlarmInformation:ThealarmisreportediftheRCUcannotdetecttheclocksignalof
conguredclockreferencesource.
lAlarmLevel:Minor
lAlarmType:EquipmentAlarm
Sub-codeDescription
lSub-code1:RCU1PPS+TODclocklost;
lSub-code2:RCUBITSclocklost;
lSub-code4:Slot3clocklost;
lSub-code5:Slot4clocklost;
lSub-code6:Slot5clocklost;
lSub-code7:Slot6clocklost;
lSub-code8:Slot7clocklost;
lSub-code9:Slot8clocklost;
lSub-code10:RCUNMSclocklost;
lSub-code11:RCUGbEclocklost;
lSub-code12:1588clocklost.
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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.
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Chapter2Alarm
PossibleCauses
1.TheIPaddressoftheSNTPserverissetincorrectly.
2.TheSNTPserverfails.
3.Thenetworkisfaulty.
4.TheRCUboardisfaulty.
HandlingProcedure
IntheLMTsystem:
1.EnsurethattheSNTPServerIPAddressontheSNTPmanagementpageisset
correctly.(Path:Setup>System>Time).
2.SetSNTPModeandSNTPClockSynchronizationService,andthenclickApply.Ifa
dialogboxappearstoindicatethattheoperationfails,ensurethattheSNTPserveris
operatingproperly.
3.CheckthecommunicationqualitybetweenNEandSNTPservertoensurethattheNE
canbeaccessedthroughtheSNTPserver.
4.Ifthealarmpersistsaftertheprecedingsteps,replacethefaultyRCUboard.
2.1.6134217730RTCclockalarm
AlarmProperty
lAlarmCode:134217730
lAlarmInformation:ThealarmisreportedifthemasterRTCclocktimingfails.
lAlarmLevel:Minor
lAlarmType:EquipmentAlarm
Sub-codeDescription
lSub-code1:RTCclockfailure;
lSub-code2:RTCclocknotset.
EffectontheSystem
Thesystemtimeisnotaccurate.Whenthisalarmisreported,thesystementersthesoft
timingstatusandthesystemtimescaleprecisiondecreases.
PossibleCauses
1.RTCclockchipfailure;
2.TheRTCclockchipisnotinitialized.
HandlingProcedure
1.Settheclockparameters.
2.CheckiftherequiredbatteryisavailableontheRCUboard.
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ZXMWNR8250AlarmandNoticationHandlingReference
lIfyes,thebatterymaybeoutofchargeorfaulty.Inthiscase,useanewbattery
(CR2032).
lIfno,installthebattery.
3.Ifthealarmpersists,itindicatesthattheRTCclockchipisfaulty.Inthiscase,replace
thefaultyRCUboard.
2.1.7134217735Clockmodulewasinfault
AlarmProperty
lAlarmCode:134217735
lAlarmInformation:Thesystemclockisinabnormallockingstatus.
lAlarmLevel:Critical
lAlarmType:EquipmentAlarm
Sub-codeDescription
lSub-code1:Theclockisunlocked.
lSub-code2:PLLisunlocked.
lSub-code3:Theclockqualityisdeteriorated.
EffectontheSystem
Iftheactivemaincontrolboardisfaulty,thesystemcannotoperateproperly,whichcauses
allbearingservicestointerrupt.
PossibleCauses
1.Thesystemclockreferencesourceislost;
2.Thesystemclockreferencesourceisdegraded;
3.Thelocalclockisfaulty.
HandlingProcedure
1.Checkwhethertheclockreferencesourcehastheassociatedalarm134217728Clock
ReferenceLost.
lIfyes,refertothehandlingsuggestionforalarm134217728.
lIfno,gotostep2.
2.ResettheRCUBboard.Checkwhetherthealarmiscleared.Ifno,gotostep3.
3.ReplacetheRCUBboard.
2.1.8134218739CPUoverload
AlarmProperty
lAlarmCode:134218739
lAlarmInformation:ThisalarmisreportedwhenCPUloadexceeds80percent.
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