Nortel Networks RTU-292 Operations Manual, 16 P1-RADIO DB-9 Male, Function, Handset Connector

RTU-292 Operations Manual

Table 2-16P1-RADIO (DB-9 Male)

Pin Function

1Balanced Receive Audio Input B

2Chassis Ground

3Transmit Audio Output A

4External Signal Input

5/Key Output A (Relay Closure to Ground)

6Receive Audio Input A

7Transmit Audio Output B

8/Remote Key Input

9/Key Output B (Relay Closure to Ground)

2.9.3HANDSET CONNECTOR

The handset supplied with the RTU-292 is plugged into front panel jack J7.

Table 2-17J7 - HANDSET (RJ12C Jack)

Pin Function

1+5V Source

2Ground

3Ground

4Earpiece Audio

5Mic In

6PTT Switch

2-13 JPS Communications, Inc.