Com Port 5 (Cn24) - Aaeon PCM-QM77 Manual

C o m p a c t B o a r d
6
7
8
9
10
Note: 1. COM6 RS-232/422/485 can be set by BIOS setting. Default is RS-232.
2. COM6 Pin 9 function can be set by JP5.
3. COM6/ IrDA Function can be set by BIOS setting. Default is COM6
Function.

2.36 COM Port 5 (CN24)

Pin
1
2
3
4
5
6
7
8
9
Chapter 2 Quick Installation Guide
NC
NC
NC
NC/+5V/+12V
NC
DCD
TX
GND
RTS
RI
Pin Name
DCD
RX
TX
DTR
GND
DSR
RTS
CTS
RI
2-44
P C M - Q M 7 7
PWR
1 2
RX
DTR
DSR
CTS
NC
9 10
Signal Type
IN
IN
OUT
OUT
GND
IN
OUT
IN
IN
+5V/+12V
Signal Level
±9V
±9V
±9V