External serial port 3 connector (com3) – Avalue RITY122 User Manual

Page 13

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Quick Reference Guide

RITY122 Quick Reference Guide 13

2.1.3

External Serial Port 3 connector (COM3)

Signal

PIN PIN

Signal

DCD

1

6

DSR

RXD

2

7

RTS

TXD

3

8

CTS

DTR

4

9

RI

GND

5

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