GTR8000BaseRadio
Table3-7TransceiverConnections-Front(cont'd.)
XCVRPort/Type
ConnectstoThis
Device/Port
Description
ChannelBank,RJ-45Connectionportwhenthebase
radioispartofaconventional
circuit-basedsite,mixedmode
ordigitalonly.
V .24port
DigitalInterfaceUnit,
ASTRO-TAC3000
Comparator,MLC8000,
orConventionalChannel
InterfaceGGM8000,
RJ-45port
V .24interfaceconnectionport
foraconventionalbaseradio.
Referencefrequencyinput,
BNC*
ServicemonitorConnectionporttoservice
monitorforfrequency
calibration.
*See5.1.1GTR8000BaseRadioTimeandFrequencyInputs,page5-2.
Forinformationaboutconventionalfunctionsandtopologiessupportedbythebaseradio/receiver,see
theConventionalOperationsmanual.Notethatthebaseradio/receivercanbeIPmanagedwhileusing
the2-or4-wire/V .24interfaceforchanneltrafc.
3.4.7.1SystemConnectorPorts(Conventional)
Thesystemconnectorisa50-pinMiniSCSIconnector.ItisusedfortheWildcardinputs,outputs,andtheanalog
audiopathsnotroutedtotheirownconnector.
Table3-850–PinSystemConnectorPin-Outs(Conventional)
Pin#Signal
TypeFunctionNote
1AuxIn2
Input
MainStandby-External
handshaking
PullToGroundToActivate
2AuxIn4
Input
MainStandby-Statusofother
side
PullToGroundToActivate
3AuxIn6
Input
In-CabinetRepeat*PullToGroundToActivate
4AuxIn8
Input
MainStandby-Connectivity
otherStation
PullToGroundToActivate
5
AuxIn9–
Input
PhonePatch-PLStripOpto-IsolatedIn-Currentowto
Activate
6AuxIn10–
Input
PhonePatch-MonitorOpto-IsolatedIn-Currentowto
Activate
7
AuxIn11–
Input
Opto-IsolatedIn-Currentowto
Activate
3-306871022P86-A-November2012