E-16 MTR3000 Third Party Controllers: Trunking Controllers
E.5.3 Hardware Connections
The connections between the MTR3000 Base Station/Repeater and the trunking controllers are
facilitated with a multi-conductor cable connected between the J7 MTR3000 25-Pin connector and
that of the connector on the trunking controller. The connection provides for the following signals:
• Transmit Audio
• Transmit Data
• Receiver Audio
•PTT
• 14.2 VDC (see Note)
• Ground
Signal connections are noted in Figure E-4. The MTR3000 Base Station/Repeater connector and
physical Pin locations are noted in the backplane interface board section of this manual. See the
Trident manuals for their respective connector and physical Pin locations. The part number for a pre-
fabricated cable is provided in the respective Trident manuals.
Note
If this connection is used, the external equipment must draw less than 1A. This connection
is not supported for the NTS controller. This connection must be accessed by Pin C32 of
connector J5 on an upgraded MTR2000.
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