Motorola GTR 8000 - Transceiver Option Card Intercom Button; Transceiver Ports (Rear); Function of the Power Amplifier Module; Figure 2-4 Transceiver Option Card Intercom Button (Behind Fan Module)

GTR8000BaseRadio
2.1.1.3.2TransceiverOptionCardIntercomButton
Thereisoneintercombuttononthefrontofthetransceiveroptioncard,accessiblebehindthefanmodule.Pressing
theintercombuttontogglestheintercomfunctionbetweentheONandOFFstates.
Figure2-4TransceiverOptionCardIntercomButton(behindfanmodule)
2.1.1.3.3TransceiverPorts(Rear)
Thetransceiverinterconnectstothebackplaneusinga120-pinHVDMLdigitalconnectorand8-packRFconnector,
asshowninthegure.Theseconnectionshandlemultiplesignalsincludingpowersupplycommunications,power
ampliercommunications,faninterface,andperipheralinterface.Thedigitalconnectionreceivesalarmdataandthe
sitecontrollers'TDMsignals,whichareusedtopassreferenceandcontroldatatothebaseradio.
Figure2-5TransceiverModule(BackplaneConnections)
•SingleReceiverInput:AnRJ-45EthernetportonthebaseradiobackplaneiscabledtoasiteLANswitch
forthischannel.ThebackplanealsoprovidesanRFconnectiontothetransceiverforreceive(Rx)pathA.
•DualReceiverInput:RJ-45Ethernetportsonthebaseradiobackplanearecabledtocorrespondingportson
thesitecontrollerbackplanes(HPD).ThebackplanealsoprovidesRFconnectionstothetransceiverfor
receive(Rx)pathsAandB(HPDandTDMA).
2.1.2FunctionofthePowerAmplierModule
ThePAmoduleisnotapplicableinaGPW8000Receiver.
2-4
6871022P86-A-November2012