Com Port 2 (Cn9) - Aaeon GENE-APL5 User Manual

2.4.9

COM Port 2 (CN9)

Note 1: Pin 8 mode (Ring/+5V/+12V) can be set by JP3. 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 DCD2
2 DSR2
3 RX2
4 RTS2
5 TX2
6 CTS2
7 DTR2
8 RI2/+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
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