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RTU-292 Operations Manual
Table 2-16 P1-RADIO (DB-9 Male)
Pin Function
1 Balanced Receive Audio Input B
2 Chassis Ground
3 Transmit Audio Output A
4 External Signal Input
5 /Key Output A (Relay Closure to Ground)
6 Receive Audio Input A
7 Transmit Audio Output B
8 /Remote Key Input
9 /Key Output B (Relay Closure to Ground)
2.9.3 HANDSET CONNECTOR
The handset supplied with the RTU-292 is plugged into front panel jack J7.
Table 2-17 J7 - HANDSET (RJ12C Jack)
Pin Function
1 +5V Source
2 Ground
3 Ground
4 Earpiece Audio
5 Mic In
6 PTT Switch
JPS Communications, Inc.
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