Com Port 3 (Cn12) - Aaeon GENE-APL5 User Manual

2.4.12

COM Port 3 (CN12)

Note 1: Pin 8 mode (Ring/+5V/+12V) can be set by JP4. Max current in power supply
mode is 0.5A
Note 2: COM2 RS-232/422/485 can be set by BIOS setting. Default is RS-232.
Pin Pin Name
1 DCD3
2 DSR3
3 RX3
4 RTS3
5 TX3
6 CTS3
7 DTR3
8 RI3/+5V/+12V
9 GND
Chapter 2 – Hardware Information
1
2
3
4
5
6
7
8
9
RS-232 Mode
Signal Type
IN
IN
IN
OUT
OUT
IN
OUT
IN
GND
Signal Level
±5V
±5V
±5V
+5V/+12V
35