VTM-2400 Installation and Operation Handbook
83
Appendix B
♦
Pinouts
Figure B-1. Analog Audio IN/OUT 37-Pin, Male, D-Sub Connector for Audio Option
Table B-1. Pinouts for Analog Audio IN/OUT Connector and Audio Breakout Board
Pinout
Signal
Pinout
Signal
1
Analog input 1 –
20
Analog input 1 +
2
Analog input 2 –
21
Analog input 2 +
3
Analog input 3 –
22
Analog input 3 +
4
GND
23
Analog input 4 +
5
Analog input 4 –
24
N.C.
6
N.C.
25
N.C.
7
N.C.
26
GND
8
N.C.
27
N.C.
9
N.C.
28
N.C.
10
GND
29
Analog output 1 +
11
Analog output 1 –
30
Analog output 2 +
12
Analog output 2 –
31
Analog output 3 +
13
Analog output 3 –
32
Analog output 4 +
14
Analog output 4 –
33
N.C.
15
N.C.
34
N.C.
16
N.C.
35
N.C.
17
N.C.
36
N.C.
18
N.C.
37
GND
