
Compact Board PCM-QM77
Chapter 2 Quick Installation Guide 2-44
6 NC
7 NC
8 NC
9 NC/+5V/+12V PWR +5V/+12V
10 NC
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)
RX
DTR
DSR
CTS
NC
DCD
12
910
TX
GND
RTS
RI
Pin Pin Name Signal Type Signal Level
1 DCD IN
2 RX IN
3 TX OUT ±9V
4 DTR OUT ±9V
5 GND GND
6 DSR IN
7 RTS OUT ±9V
8 CTS IN
9 RI IN
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