Motorola GTR 8000 - Replacing the GTR 8000 Base Radio Backplane; Figure 9-9 GTR 8000 Base Radio Showing Connections to Backplane through Backplane Cover; How to Replace a GTR 8000 Base Radio Backplane

9.7ReplacingtheGTR8000BaseRadioBackplane
13V erifythatthepoweramplierisoperatingproperly.
•ThepoweramplierStatusandTransmitLEDsaregreen.
•TheAlarmLEDisoff.
•Properoperationisconrmedusingsoftwaretools,suchasUniedEventManager,andtheTransmitter
MeteringScreeninConguration/ServiceSoftware(CSS).
14Enablethebaseradioasfollows:
a.SelectService→T estMeasurementScreenfromthemenu.
b.ClickChangetoNormalMode.
Stepresult:Thebaseradioisenabled.
9.7ReplacingtheGTR8000BaseRadioBackplane
InaGTR8000BaseRadio,thebackplaneisthecircuitboardattherearofthecardcagewhichconnectsthepower
supply,transceiverandpoweramplier.Figure9-9showsthemetalcoverthatmustberemovedtoaccessthe
backplane.See3.4.5Connections–Rear(IntegratedV oiceandData),page3-23and3.4.6Connections–Rear
(HPD),page3-26fortheportsandcablesthatmustbedisconnectedinordertoremovethecover.
Figure9-9GTR8000BaseRadioShowingConnectionstoBackplaneThroughBackplaneCover
Theprocedureassumesthefollowingserviceaccessclearances:
•Atleast60.96cm(2ft)accessattherearoftherack,or
•Atleast60.96cm(2ft)accessononesideoftherack,andatleast6inchesattherearoftherack
9.7.1HowToReplaceaGTR8000BaseRadioBackplane
ProcedureSteps
6871022P86-A-November20129-21