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-4751/4751L is equipped with one plug-in screw-terminal connector and two (one for USB-4751L) standard Opto-22 connectors that can be used with a variety of Advantech's wiring boards.

3.2.1 Pin Assignments

Figure 3.1: I/O Connector Pin Assignment

USB-4751/4751L User Manual

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B&B Electronics USB-4751/4751L user manual Overview, I/O Connectors, Pin Assignments