38 Appendix
ACU16-C & NHB32-C Owner’s Manual
Appendix
Connector Wiring Details
ACU16-C/NHB32-C TO COMPUTER Port (RS-232C)
NHB32-C COM Port (RS-422)
NHB32-C AES/EBU Ports
Pin Connection
1Unused
2RxD
3TxD
4DTR
5GND
6DSR
7RTS
8CTS
9Unused
Pin Connection
1Unused
2Rx–
3Tx–
4Tx+
5GND
6Rx+
7RTS
8CTS
9Unused
Pin Connection Pin Connection
1CH1/2 IN + 14 CH1/2 IN –
2CH3/4 IN + 15 CH3/4 IN –
3CH5/6 IN + 16 CH5/6 IN –
4CH7/8 IN + 17 CH7/8 IN –
5CH1/2 OUT + 18 CH1/2 OUT –
6CH3/4 OUT + 19 CH3/4 OUT –
7CH5/6 OUT + 20 CH5/6 OUT –
8CH7/8 OUT + 21 CH7/8 OUT –
9Unused 22 GND
10 GND 23 GND
11 Unused 24 GND
12 GND 25 GND
13 GND