Com Port 8 (Cn26); Com Port 7 (Cn27) - Aaeon PCM-QM77 User Manual

2.4.26

COM Port 8 (CN26)

Pin
1
2
3
4
5
6
7
8
9
10
2.4.27

COM Port 7 (CN27)

Pin
1
2
3
4
Chapter 2 – Hardware Information
1
DCD
TX
GND
RTS
RI
9
Pin Name
DCD
RX
TX
DTR
GND
DSR
RTS
CTS
RI
NC
1
DCD
TX
GND
RTS
RI
9
Pin Name
DCD
RX
TX
DTR
2
RX
DTR
DSR
CTS
NC
10
Signal Type
IN
IN
OUT
OUT
GND
IN
OUT
IN
IN
2
RX
DTR
DSR
CTS
NC
10
Signal Type
IN
IN
OUT
OUT
Signal Level
± 9V
± 9V
± 9V
Signal Level
± 9V
± 9V
39