MTR3000 Third Party Controllers: Community Repeater Panel E-3
E.2.3 Hardware Connections
The connections between the MTR3000 Base Station/Repeater and the community repeater panel
are facilitated with a multi-conductor cable connected between the J7 MTR3000 25-Pin connector
and that of the community repeater panel. The connection provides the following signals:
• Transmit Audio
• Receiver Audio
• Push-to-talk (PTT)
• Carrier Operated Relay (COR)
• 14.2 VDC (Refer to note)
•Ground
Signal connections are noted in Figure E-1. The MTR3000 connector and physical Pin locations are
noted in the backplane interface board section of this manual. See Zetron Model 38 Repeater Panel
manual for its connector and physical Pin locations. The part number for a pre-fabricated cable is
noted in the MTR3000 ordering guide.
Figure E-3 Signal Connections between MTR3000 Base Station/Repeater and Community Repeater Panel
Note
If this connection is used, the external equipment must draw less than 1A. This connection
must be accessed by Pin C32 of connector J5 on an upgraded MTR2000.
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