Motorola GTR 8000 - Page 258

GTR8000BaseRadio
1Wearanelectrostaticdischarge(ESD)wriststrapandconnectitscabletoaveriedgoodground.Thisstrap
mustbewornthroughoutthisproceduretopreventESDdamagetoanycomponents.
2Disablethebaseradiothatisusingthepowersupplymodulebeingreplaced,sothesystemdoesnotattribute
thelossofchanneltoafailure.
a.Connecttothebaseradio’stransceivermoduleEthernetserviceportusingConguration/ServiceSoftware
(CSS).See4.4.4ConnectingThroughanEthernetPortLink,page4-11.
b.SelectService→TestMeasurementScreenfromthemenu.
c.ClickChangetoServiceMode.
Stepresult:Thebaseradioisdisabled.
3PushthepowerrockerswitchtoOff(0)onthepowersupplyunit.
4UsingaT20bit,loosenthetwocaptivescrewsonthefrontofthepowersupply,sothattheydisengagefrom
thechassis.
Itisrecommendtoletthepowersupplymodulecoolbeforeperformingthefollowingstep,which
exposessurfacesofthemodulethatcanbeextremelyhot.
5Pullonthemetalhandletodisengagethepowersupplyfromthebackplane,andremoveitcompletelyfrom
thechassis.
6Slidethereplacementpowersupplyintoplace,pushinggentlyuntilitseats.
7Tightenthetwocaptivescrewsonthefrontofthepowersupply.
8TurnthepowerbuttontoOn,andverifythatthepowersupplyisoperatingproperly.
•ThepowersupplyStatusLEDisgreen.
•ThepowersupplyAlarmLEDisoff.
•ThepowersupplyFanLEDisoff.
•Properoperationisconrmedusingsoftwaretools,suchasUniedEventManager,andthePower
SupplyMeteringScreeninConguration/ServiceSoftware(CSS).
9Enablethebaseradioasfollows:
a.SelectService→T estMeasurementScreenfromthemenu.
b.ClickChangetoNormalMode.
Stepresult:Thebaseradioisenabled.
9-146871022P86-A-November2012