诺西故障处理案例库

一体化代维项目试点课题研究成果故障处理案例库中国移动通信集团福建有限公司二○一二年四月自代维一体化第2页共58页目录：1基站专业...................................................................................................................................................51.1天馈类.............................................................................................................................................................51.1.1.Antennaconnectionfaulty........................................................................................................................51.1.2.Rxlevelsdiffertoomuchbetweenmainanddiversityantennas..................................................61.1.3.RSSIdetectedRxsignaldifferenceexceedingthreshold................................................................71.1.4.ERxxDDUmodulehasdetectedVSWRaboveminorlimitatA(OrB)..............................................81.1.5.ECxxRTCmodulehasdetectedVSWRabovemajorlimitatantenna..............................................101.1.6.RFmoduledetectedVSWRabovemajorlimit........................................................................................111.1.7.Thereflectedpowerofremotetunecombineristoohigh............................................................121.1.8.CHANNELFAILURERATEABOVEDEFINEDTHRESHOLD..................................................................................131.1.9.MEANHOLDINGTIMEBELOWDEFINEDTHRESHOLD........................................................................................151.1.10.EXCESSIVETCHINTERFERENCE.....................................................................................................................161.1.11.BTSWITHNOTRANSACTIONS.........................................................................................................................181.2基站硬件类.......................................................................................................................................................................191.2.1Ovenoscillatoradjustmentfunctioninterrupted............................................................................191.2.2ESMASystemmodulehaslostconnectiontoESEASystemExtensionmodule..............................201.2.3ESMxSystemmodulehaslostconnectiontoallmodulesonopticalports............................211.2.4FBUSHWfailure...........................................................................................................................................221.2.5LAPDfailure.................................................................................................................................................231.2.6ECxxRTCmodulereceivedinsufficientTxpower..............................................................................241.2.7EXxxTRXmoduleTxpoweroverdrivenatDPC......................................................................................251.2.8ERxxDDUmodulehasdetectednoTxpoweratTxBinput................................................................261.2.9RFModulehasdetectednoTXpowerininternalfilterblock....................................................271.2.10TheRFreceiverfrequencyhoppingsynthesizer1isnotlocked................................................271.2.11Thetransmitteroutputpowerhasdroppedatleast3dB..............................................................281.2.12EXCESSIVETCHINTERFERENCE.....................................................................................................................291.2.13CHANNELFAILURERATEABOVEDEFINEDTHRESHOLD..................................................................................301.2.14Thetuningofacavityhasfailedinremotetunecombiner.......................................................31自代维一体化第3页共58页1.2.15Tuningcarrierisnotdetectedinremotetunecombiner..............................................................321.2.16Thesynthesizerinremotetunecombinerisfaulty........................................................................331.2.17ThereisdisturbanceintheserialDLbusorbusisbroken......................................................341.2.18PerformanceofthemainbranchLNAinremotetunecombinerisdegraded..............................341.2.19ECxxRTCmodulecavitytuningsynthesizerfaulty.........................................................................351.2.20MasterTRXdetectedthatconnectiontoslaveTRXislost..........................................................361.2.21InterfaceproblemsbetweenO&MandDSPSW........................................................................................361.2.22BasebandbusmajoroperationerroroccurredinESMxSystemmodule......................................371.2.23EXxxTRXmoduleSWdownloadfromESMASystemmodulefailed......................................................381.2.24Powerunitinputvoltagefault.............................................................................................................391.2.25SupplyvoltagetoESMAnearlow/highlimit......................................................................................391.2.26Noconnectio