Avalue EMX-B75 User Manual

Page 15

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EMX-B75 Quick Installation Guide

EMX-B75 Quick Installation Guide 15

2.3.12 Serial port 4~9 connector (COM4~9)

Signal

PIN PIN

Signal

DCD

1

2

RXD

TXD

3

4

RTD

GND

5

6

DSR

RTS

7

8

CTS

Normal

9

Note:

Serial Port Function

Serial Port number

RS 232 with 5V/12V

COM1, COM3~COM6

RS 232 without voltage

COM7, COM8, COM9

2.3.13 Serial port 2/10 connector (COM2/10)

PIN

Signal

1

RS485_TX-

2

RS485_TX+

3

RS422_RX-

4

RS422_RX+

Note:

Serial Port Function

Serial Port number

RS 422/485

COM2 , COM10

CO

M

9

CO

M7

CO

M6

CO

M5

CO

M4

CO

M8

COM2

COM10

COM1_3