ZXMWNR8120A/8120DMaintenanceGuide
2.1ApplicationFaults
2.1.1APCConnectedtotheLMTInterfaceCannotPingEquipment
Performthefollowingtroubleshootingsteps:
1.ChecktheIPcongurationofthePersonalComputer(PC).
ToaccesstheequipmentthroughtheLMTinterface,theIPaddressofthePCmustbe
conguredwithinthesamenetworksegmentofthedefaultLMTdebugIPaddress.
2.VerifythattheFTPprocesscanbeaccessed.
3.VerifythatthePCisconguredwithonlyonenetworkadapter.
IfthePCisconguredwithtwonetworkadapters,itcannotaccesstheequipment
sometimes.Inthiscase,disableonenetworkadapter.Afterthat,thePCcanaccess
theequipmentsuccessfully.
4.VerifythattherewallfunctionisnotenabledonthePC.
Normally,therewallfunctionwillprohibitsomeprogramstoaccessthenetwork.Itis
recommendedtodisabletherewallfunctionoraddtheportstobeaccessedinthe
rewallconguration.
5.ChecktheRUNindicatoroftheRadioCoreCrossModemUnitA(RCMUC)orRCMUD
boardtoverifythattheRCMUCorRCMUDboardisoperatingproperly.
lIftheRUNindicatorislitredforveseconds,theRCMUCorRCMUDboardis
beingstarted.
lIftheRUNindicatorislitgreen,theRCMUCorRCMUDboardisoperating
properly.
lIftheRUNindicatorisnotlitgreenaftertheRCMUCorRCMUDboardisstarted,
theRCMUCorRCMUDboardmaybefaulty.
6.Iftheproblemstillexistsafterthepreviousoperations,replacethePC.
2.1.2APCConnectedtotheNMSInterfaceCannotPingthe
Equipment
Performthefollowingtroubleshootingsteps:
1.ChecktheIPcongurationofthePC.
ToaccesstheequipmentthroughtheNMSinterface,theIPaddressofthePCand
thatoftheNMSinterfacemustbeconguredinthesamenetworksegment.Ifthetwo
IPaddressesarenotconguredinthesamenetworksegment,recongurethem,and
accesstheequipmentagain.
2.ChecktheportmodeandVLANcongurationoftheNMSinterface.
ToenablethePCtoaccessequipment,enabletheNMSinterface,settheportmode
oftheNMSinterfacetoAccess,andsetPVIDtotheNMSVLANID.
3.VerifythatthePCisconguredwithonlyonenetworkadapter.
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SJ-20150804150350-006|2015-09-17(R1.0)ZTEProprietaryandCondential