Serial port 5-8 connector (com5-8) – Avalue EPS-QM87 User Manual

Page 31

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Quick Reference Guide

EPS-QM87 Quick Reference Guide 31

2.4.18

Serial port 5-8 connector (COM5-8)

Signal

PIN PIN

Signal

DCD5_485TXN

1

2

RxDD5_485TXP

TxDD5_485RXP

3

4

DTR5_485RXN

GND

5

6

DSR5

RTS5

7

8

CTS5

URI5

9

10

NC

DCD6_485TXN

11

12 RxDD6_485TXP

TxDD6_485RXP 13

14

DTR6_485RXN

GND

15

16

DSR6

RTS6

17

18

CTS6

URI6

19

20

NC

DCD7_485TXN

21

22 RxDD7_485TXP

TxDD7_485RXP 23

24

DTR7_485RXN

GND

25

26

DSR8

RTS7

27

28

CTS7

URI7

29

30

NC

DCD8_485TXN

31

32 RxDD8_485TXP

TxDD8_485RXP 33

34

DTR8_485RXN

GND

35

36

DSR8

RTS8

37

38

CTS8

URI8

39

40

NC