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
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