Filter
Top Products
Table of Contents
Part I - A50/A51 RS-232 to RS-422/RS-485 Converter
Chapter 1. Introduction ………………………………………. 1
1.1 Overview 1
1.2 Features and Specifications 2
1.3 Package Check List 5
Chapter 2. Installation ……………………………………….. 7
2.1 Installation Procedure 7
2.2 Switch Function Description 7
2.3 LED Indicators 8
2.4 RS-422/RS-485 Pinouts 9
Chapter 3. Operation ………………………………………… 11
3.1 Point-to-point 12
3.2 Multidrop 14
3.3 Simplex/Transmit, Receive 17
3.4 Self Test 19
Appendix A RS-232 Pinouts and Cable Wiring ……………….. 21
Appendix B Impedance Matching and Termination Resistors…… 25
Appendix C Troubleshooting …………………………………. 27