RADWIN2000UserManual Release2.8.30 10‐24
Troubleshooting
A“Dying‐Gasp”circuitidentifiesthepowerfailureataminimumintervalof20milliseconds
beforetheODUorIDUpowersoff.Duringthatintervalamessagenotifyingthepowerfailure
issenttooppositesite.Externalalarmoutputnumber4indicatespowerfailureatthe
oppositesite.
Troubleshooting
UsethefollowingtabletotroubleshootLEDfaultindications:
Usethefollowingtabletotroubleshootfaultsinthesystem:.
Table10‐7:LEDfaultindicators
LED Status Remedy
PWR Off Checkthatpowerisco nnectedtotheIDU
IDU Red CheckthattheIDU/ODUcableisproperlywiredandconnected.
ODU Red CheckthattheIDU/ODUcableisproperlywiredandconnected.
AIRI/F
Orange CompletetheinstallationprocedurefromtheRADWINManager
Red
Checktheantennaalignment.Checkthattheradioconfigurationof
bothsiteAandsiteBunitsarethesame(ChannelandLinkID).
SVC
Orange
Red
Off
AlarmdetectedattheSiteBinte rfaceorLocalorRemoteloopback
AlarmdetectedattheSiteAinte rface
EthernetonlyIDUorE1/T1notconfigured
HSS
Red
Orange
HSSnotoperationalduetoimpropersignaldetection.ThisODUisnot
transmitting
HSSisoperational.Oneofthefollowingconditionsapply:
•ThisODUisamasterthatisgeneratingsignalsanddetecting
signals
•ThisODUisamasterthatisgeneratingsignalsbutdetected
impropersignals
•ThisODUisaclient“ContinueTx”butisnotdetectingsignals
•ThisODUisaclient“DisableTx”andisdetectingsignalsfrom
multiplesources
Allorangecasestransmit.
STBY
Red
Orange
MHSmodePrimary,Linkstatenotactive
MHSmodeSecondary,Linkstateactive
Table10‐8:SystemTroubleshooting
Symptom Remedy
Nopower
EnsurethatpowerisconnectedtotheIDU
EnsurethattheODUcableisproperlywiredandconnected