Moxa Technologies A60, A51 manual Table of Contents

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