Moxa Technologies A60 manual A50/A51A50/A51

Chapter 3 • • Operation

A50/A51A50/A51

DTE/

DCE

TA RS-232 RS-422/ TB RS-485 RB RA GND

RA

RB RS-422/ RS-232 TB RS-485

TA

GND

A50/A51

RA

RB RS-422/ RS-232 TB RS-485

TA

GND

DTE/

DCE

DTE/

DCE

In the graph, TA, TB, RA and RB could be either from RJ-45 or Terminal Block. The settings of the switches for each A50 (or

A51) are as follows:

SW1

Full-duplex mode Off

SW2	Pin1	Pin2	Pin3	Pin4
TxD always enabled	On	Off	X	X
RxD always enabled	X	X	On	Off

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