Pin
Pin Name
1
RS485_D-
2
NC
3
RS485_D+
4
NC
5
NC
6
NC
7
NC
8
NC/+5V/+12V
9
GND
* COM2 RS-232/422/485 can be set by BIOS setting. Default is RS-232.
* Pin 8 function can be set by JP9.
Chapter 2 – Hardware Information
RS-485
Signal Type
I/O
I/O
PWR
GND
Signal Level
±5V
±5V
+5V/+12V
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