Motorola GTR 8000 - AC;DC Power Distribution - Base Radio; Figure 2-10 AC and DC Power Distribution in the GTR 8000 Base Radio; Power Supply Battery Charger

2.1.4.1AC/DCPowerDistribution–BaseRadio
2.1.4.1AC/DCPowerDistribution–BaseRadio
Figure2-10ACandDCPowerDistributionintheGTR8000BaseRadio
Ifpresent,thebaseradiooperatesfromACpowerasthepreferredpowersource.WhenACpowerisnotavailable,
thebaseradioswitchestooperatefromtheDCsource.OperationreturnstotheACsourcewhentheACsourceis
restored.SwitchoverfromACtoDCandbackagainisfullyautomatic.Nooperatoractionisrequired.
TheMainDCoutputofthepowersupplyisusedtoprovidepowertothepoweramplierandthetransceiver.The
Auxiliaryoutputofthepowersupplyisnotusedwithinthebaseradio,butisreservedforuseasaredundantpower
inputtoothersitecomponentssuchasthesitecontroller.
2.1.4.2PowerSupplyBatteryCharger
Thepowersupplyincludesanintegratedbatterycharger.Thebatterychargeriscontrolledentirelythroughsoftware
residingontheassociateddevicemodule.Softwarecontainstheinformationonsupportedbatterytypesandobtains
user-specicinformationpertainingtotheparticularsite.Thedevicesoftwarereceivesbatterybusvoltageand
batterytemperatureinformationfromthepowersupplyandusesthesevariablesinconjunctionwithsupported
batterychargingprolestoreturnasignalwhichsetsthechargeroutputvoltageappropriately.Thebatterycharge
andtemperatureconditionsmaybeviewedthroughConguration/ServiceSoftware(CSS)andUniedNetwork
Congurator(UNC)orthroughalarmstoUniedEventManager(UEM).
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