Appendix
9390 Reference manual 11-5
Remote Control connector
The
Remote Control
connector is located at the right of the
back panel.
Make sure that the transceiver is disconnected from the DC
power source before connecting anything to the
Remote
Control
connector.
Remote Control
GP
Ext
Alarm
Pin 1
Pin 15
Pin Function
1 Speaker
2 Remote PTT
3 External audio input
4 Power on
5 Data (I
2
C bus, 5V)
6 Not used
7 Clock (I
2
C bus, 5V)
8 Rx and Tx indicator
9 Ground
10 Ground
11 Transmitter audio input
12 Receiver demodulated output
13 Receiver audio output
14 Interrupt (I
2
C bus, 5V)
15 Battery (switched)