Avalue ECM-PNV User Manual

Page 13

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ECM-PNV Quick Installation Guide

ECM-PNV Quick Installation Guide 13

2.3.9 Serial port 1/ 2/ 3 in RS-422/485 mode (J422/485_1/ J422/485_2/ J422/485_3)

J422/485_1

J422/485_2

J422/485_3

Signal

PIN PIN

Signal

TX-

1

2

RX-

TX+ 3

4 RX+

+5V

5

6

GND

Note:

J422/485 is available after modifying the mode

of COM2 in BIOS setting.

J422/4

85_

1

J422/485_2

J422/485_3

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