USB-4750 User Manual 12
Chapter 3 Signal Connections

3.1 Overview

Maintaining good signal connections is one of the most important factors
in ensuring that your application system is sending and receiving data
correctly. A good signal connection can avoid unnecessary and costly
damage to your PC and other hardware devices.

3.2 I/O Connectors

USB-4750 is equipped with plug-in screw-terminal connectors that facili-
tate connection to the module without terminal boards or cables.

3.2.1 Pin Assignments

Figure 3.1: I/O Connector Pin Assignment
Note: IDI0 shares the same pin with INT0
IDI4 shares the same pin with INT0_G
IDI7 shares the same pin with CNT0
IDI8 shares the same pin with INT1
IDI12 shares the same pin with INT1_G
IDI15 shares the same pin with CNT1