Aaeon GENE-BT05 User Manual page 48

Pin Pin Name
1 RS422_TX-
2 NC
3 RS422_TX+
4 NC
5 RS422_RX+
6 NC
7 RS422_RX-
8 NC/+5V/+12V
9 GND
Note 1: COM3 RS-232/422/485 can be set by BIOS setting. Default is RS-232.
Note 2: Pin 8 function can be set by JP8.
Pin Pin Name
1 RS485_D-
2 NC
3 RS485_D+
4 NC
5 NC
Chapter 2 – Hardware Information
RS-422
Signal Type
OUT
OUT
IN
IN
PWR
GND
1
RS485_D-
NC
RS485_D+
NC
NC
NC
NC
NC/+5V/+12V
GND
9
RS-485
Signal Type
I/O
I/O
Signal Level
± 5V
± 5V
+5V/+12V
Signal Level
± 5V
± 5V
34