Com Port 6 (Cn23) - Aaeon PCM-QM77 Manual

C o m p a c t B o a r d

2.42 COM Port 6 (CN23)

RS-232
Pin
1
2
3
4
5
6
7
8
9
10
RS-485
Chapter 2 Quick Installation Guide
DCD
TX
GND
RTS
RI/+5V/+12V
Pin Name
DCD
RX
TX
DTR
GND
DSR
RTS
CTS
RI/+5V/+12V
NC
RS485_D-
NC
GND
NC
NC/+5V/+12V
2-42
P C M - Q M 7 7
1 2
RX
DTR
DSR
CTS
NC
9 10
Signal Type
IN
IN
OUT
OUT
GND
IN
OUT
IN
IN/ PWR
1 2
RS485_D+
NC
NC
NC
NC
9 10
Signal Level
±5V
±5V
±5V
+5V/+12V