Serial port 4 in rs-422 mode (cn15), Serial port 5 in rs-485 mode (cn14) – Avalue ECM-QB User Manual

Page 17

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ECM-QB Quick Installation Guide

ECM-QB Quick Installation Guide 17

2.3.14

Serial port 4 in RS-422 mode (CN15)

Signal

PIN PIN

Signal

TX-

1

2

RX-

TX+

3

4

RX+

+5V

5

6

GND

2.3.15

Serial port 5 in RS-485 mode (CN14)

Signal

PIN PIN

Signal

TX-

1

2

NC

TX+

3

4

NC

+5V

5

6

GND

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