Zte ZXMW NR8120D - 2.3 TDM Service Faults; 2.4 Ethernet Service Faults

ZXMWNR8120A/8120DMaintenanceGuide
2.3TDMServiceFaults
E1ServicesAreDisconnected
Performthefollowingtroubleshootingsteps:
1.Verifythattheradiolinkisoperatingproperly.Foroperationdetails,referto"2.2.3
RadioLinkIsDisconnected".
2.VerifythattheE1linkstatusindicatoroftheRTEAboardisinnormalstatus.
lIftheindicatorislitgreen,theE1linkisoperatingproperly.
lIftheindicatorisashingslowlyornotlit,someE1signalsorallE1signalsare
lost.
3.IntheLMTsystem,verifythattheworkingmodeandcrossconnectionoftheservice
boardsareconguredcorrectly.
4.VerifythattheconnectorsofE1signalcablesarewellmadeandareconnected
properly.
5.VerifythatthetransceivingconnectionsattheequipmentsideandattheDigital
DistributionFrame(DDF)sideareconnectedproperly.
6.FindouttheE1impedance(balanced120Ωornon-balanced75Ω).IntheLMT
system,verifythattheimpedancetypeconguredmatchestheE1impedancetype.
7.Performtheloopbacktest.
2.4EthernetServiceFaults
EthernetServicesAreDisconnected
Performthefollowingtroubleshootingsteps:
1.Verifythattheradiolinkisoperatingproperly.Fordetailedinformation,referto"2.2.3
RadioLinkIsDisconnected".
2.VerifythatJumboandHC/PLAareenabledordisablesaswhattheyshouldbe.
3.VerifythattheGbEinterfacestatusindicatoroftheRCMUAboardisinnormalstatus.
lIftheindicatorislitgreenorashing,thelinkisoperatingproperly.
VerifythattheEthernetparametersofthemicrowaveequipmentandtheport
parametersofthenetworkdevice(suchasaswitch)connectedtothemicrowave
equipmentareconguredcorrectly.Theseparametersincludeduplexmode,rate,
learningmode,self-negotiationmode,owcontrolandratesetting,defaultport
priority,VLANsetting(VLANID,porttype,egresspolicy,andPVID),xSTPsetting,
LAGsetting,andQoSsetting.
lIftheindicatorisnotlit,thelinksignalislost.
àIntheLMTsystem,verifythattheEthernetportisenabled.
àIftheEthernetportiselectricalport,verifythattheEthernetcableiswell
made,thecrystalconnectorsareingoodcondition,thelinesequenceis
correct,andthecableisconnectedreliably.
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SJ-20150804150350-006|2015-09-17(R1.0)ZTEProprietaryandCondential