ADLINK USB-7250 - Manual (Page 30)

20 Introduction
1.9 Connector Pin Assignment
The USB-7230/7250 module is equipped with 40-pin removable
screw-down terminal connectors, with pin assignment as follows.
Table 1-1: USB-7230 Pin Assignment
Pin Function Pin Function
20 VDD 40 DO15
19 DO7 39 DO14
18 DO6 38 DO13
17 DO5 37 DO12
16 DO4 36 DO11
15 DO3 35 DO10
14 DO2 34 DO9
13 DO1 33 DO8
12 DO0 32 IGND
11 IGND 31 IGND
10 CNT0 30 CNT1
9 CGND 29 COM
8 DI7 28 DI15
7 DI6 27 DI14
6 DI5 26 DI13
5 DI4 25 DI12
4 DI3 24 DI11
3 DI2 23 DI10
2 DI1 22 DI9
1 DI0 21 DI8
Signal Name Reference Direction Description
DI<0..15> COM I Isolated digital input channel