Instruction Manual
4
DIP Switch Setting
Description
RS485 - 2-wire
(default)
RS485 - 4-wire
RS422
RS232
NOTE: switch 3 and 4 must be set to OFF for RS232
mode to work correctly.
Pinout Diagram
RS232
S1
RS422(4-wire)/485 (4-wire/2-wire)
TxD- (Data-)
TxD+ (Data+)
RxD-
RxD+
GND
S2