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© 2021 Multidyne
FN-64-CHAS Product Manual
6.3
GPIO Auxiliary Interface
A GPIO (General Purpose I/O) auxiliary interface is provided on a female DB-25 connector and provides
additional control and status functionality.
Pin #
Name
1
GP1
14
GP2
2
GP3
15
GP4
3
GP5
16
GP6
4
GP7
17
GP8
5
GP9
18
GP10
6
GP11
19
GP12
7
GP13
20
GP14
8
GP15
21
GP16
9
GP17
22
GP18
10
GP19
23
GP20
11
GP21
24
GP22
12
GP23
25
GP24
13
Ground