欢迎来到天天文库
浏览记录
ID:41126586
大小:4.02 MB
页数:58页
时间:2019-08-17
《诺西故障处理案例库》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、..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eord完美格式..目录:1基站专业51.1天馈类51.1.1.Antennaconnectionfaulty.51.1.2.Rxlevelsdiffertoomuchbetweenmainanddiversityantennas61.1.3.RSSIdetectedRxsignaldifferenceexceedingthreshold71.1.4.ERxxDDUmodulehasdetectedVSWRaboveminorlimitatA(OrB)81.1.5.
2、ECxxRTCmodulehasdetectedVSWRabovemajorlimitatantenna101.1.6.RFmoduledetectedVSWRabovemajorlimit111.1.7.Thereflectedpowerofremotetunecombineristoohigh121.1.8.CHANNELFAILURERATEABOVEDEFINEDTHRESHOLD131.1.9.MEANHOLDINGTIMEBELOWDEFINEDTHRESHOLD151.1.10.EXCESSIVETCHINTERFERENCE161.1.1
3、1.BTSWITHNOTRANSACTIONS181.2基站硬件类191.2.1Ovenoscillatoradjustmentfunctioninterrupted191.2.2ESMASystemmodulehaslostconnectiontoESEASystemExtensionmodule201.2.3ESMxSystemmodulehaslostconnectiontoallmodulesonopticalports211.2.4FBUSHWfailure221.2.5LAPDfailure231.2.6ECxxRTCmodulereceiv
4、edinsufficientTxpower241.2.7EXxxTRXmoduleTxpoweroverdrivenatDPC251.2.8ERxxDDUmodulehasdetectednoTxpoweratTxBinput261.2.9RFModulehasdetectednoTXpowerininternalfilterblock271.2.10TheRFreceiverfrequencyhoppingsynthesizer1isnotlocked271.2.11Thetransmitteroutputpowerhasdroppedatleast3
5、dB281.2.12EXCESSIVETCHINTERFERENCE291.2.13CHANNELFAILURERATEABOVEDEFINEDTHRESHOLD301.2.14Thetuningofacavityhasfailedinremotetunecombiner.31eord完美格式..1.2.15Tuningcarrierisnotdetectedinremotetunecombiner321.2.16Thesynthesizerinremotetunecombinerisfaulty331.2.17Thereisdisturbanceint
6、heserialDLbusorbusisbroken341.2.18PerformanceofthemainbranchLNAinremotetunecombinerisdegraded341.2.19ECxxRTCmodulecavitytuningsynthesizerfaulty.351.2.20MasterTRXdetectedthatconnectiontoslaveTRXislost361.2.21InterfaceproblemsbetweenO&MandDSPSW361.2.22Basebandbusmajoroperationerror
7、occurredinESMxSystemmodule371.2.23EXxxTRXmoduleSWdownloadfromESMASystemmodulefailed381.2.24Powerunitinputvoltagefault391.2.25SupplyvoltagetoESMAnearlow/highlimit391.2.26Noconnectiontopowerunit401.2.27Powerunitinputvoltagefault411.2.28EXxxTRXmodulecoolingfan(s)reportnorotation411.
8、2.29ESEASystemExtensionModulefan(s)outof
此文档下载收益归作者所有