NI 9475 Operating Instructions and Specifications 6 ni.com
Connecting the NI 9475

The NI 9475 has a 25-pin DSUB connector that provides

connections for eight digital output channels.

Figure 1. NI 9475 Pin Assignments

COM
Vsup
COM
COM
Vsup
COM
COM
Vsup
COM
COM
Vsup
COM
COM
DO0
Vsup
DO1
DO2
Vsup
DO3
DO4
Vsup
DO5
DO6
Vsup
DO7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
03
47