ADLINK USB-2401 - Manual (Page 28)

18 Introduction
1.9 Connector Information
The USB-2401 module is equipped with 40-pin removable
screw-down terminal connectors, with pin assignment and signal
description as follows.
Table 1-2: USB-2401 Pin Assignment
Pin Function Pin Function
20 GPO0 40 GPO1
19 GPI1 39 GPI3
18 GPI0 38 GPI2
17 NC 37 DGND
16 GND1 36 GND3
15 SC1- 35 SC3-
14 SC1+ 34 SC3+
13 EXC1 33 EXC3
12 CI1- 32 CI3-
11 CI1+ 31 CI3+
10 AI1- 30 AI3-
9 AI1+ 29 AI3+
8 GND0 28 GND2
7 SC0- 27 SC2-
6 SC0+ 26 SC2+
5 EXC0 25 EXC2
4 CI0- 24 CI2-
3 CI0+ 23 CI2+
2 AI0- 22 AI2-
1 AI0+ 21 AI2+