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Pinout diagram – StarTech.com ICUSB2324852 User Manual

Page 7

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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