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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
1
Unused
2
RxD
3
TxD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
Unused
Pin Connection
1
Unused
2
Rx–
3
Tx–
4
Tx+
5
GND
6
Rx+
7
RTS
8
CTS
9
Unused
Pin Connection Pin Connection
1
CH1/2 IN +
14
CH1/2 IN –
2
CH3/4 IN +
15
CH3/4 IN –
3
CH5/6 IN +
16
CH5/6 IN –
4
CH7/8 IN +
17
CH7/8 IN –
5
CH1/2 OUT +
18
CH1/2 OUT –
6
CH3/4 OUT +
19
CH3/4 OUT –
7
CH5/6 OUT +
20
CH5/6 OUT –
8
CH7/8 OUT +
21
CH7/8 OUT –
9
Unused
22
GND
10
GND
23
GND
11
Unused
24
GND
12
GND
25
GND
13
GND