17
Remote / GPI Connector Pinout
Pin #
Function
1
Ground
2
RS232 Data Out (TX)
3
RS232 Data In (RX)
4
(no connection)
5
Ground
6
GPI 1 In (Mute)
7
GPI 2 In (Talkback 1)
8
GPI 3 In (Talkback 2)
9
Ground
GPI inputs are TTL-compatible inputs, pulled up to +5 volts with a 5K resistor. They
should be pulled to ground with a dry switch closure to activate.
RS232 Remote port is 38.4K Baud, One Stop Bit, No Parity
Summary of Contents for ADX-120
Page 18: ...18 Notes ...