Motorola GTR 8000 - RFDS - External Dual Circulator;Isolator Tray (VHF); Antenna Relay Module; Figure 2-20 External Dual Circulator;Isolator Tray (UHF)

GTR8000BaseRadio
Figure2-20ExternalDualCirculator/IsolatorTray(UHF)
2.3.10RFDS-ExternalDualCirculator/IsolatorTray(VHF)
AnoptionfortheGTR8000BaseRadioisanExternalDualCirculatormodulewhichisolatesthebaseradio
fromtheantenna,thuspreventingthetransmitterfromgeneratingintermodulation.Thecirculatorloaddissipates
reectedpower.ItincludesacablethatconnectstotheRFPeripheralsportonthebaseradiobackplanetoprovide
temperaturemonitoring.
2.3.11AntennaRelayModule
Theantennarelaymoduleallowsasingleantennatobeusedforbothtransmitandreceivefunctionsona
conventionalGTR8000BaseRadio.Theantennarelaymoduleiscontrolledbyasignalfromthebaseradio
transceivermoduleandistypicallymountedonthebackplanecoverontherearofthebaseradio,oronthe
peripheraltrayifthebaseradioisequippedwithotheroptions.Figure2-21showstheantennarelaymoduleinput
andoutputexternalconnections.SettingsfortheantennarelaymodulearemadethroughConguration/Service
Software(CSS)andUNC.
2-186871022P86-A-November2012