15
Jumper Setting
51113.
COM2 RS232/485/422 Setting
Function
JP5
JP4
▲RS232
1 3 5 7 9
2
6 8 10
4
5 7 9 11
2
1 3
6 8 10 12
4
RS485
8 10
5 7 9
2
1 3
6
4
11
12
8 10
5 7 9
2
1 3
6
4
RS422
8 10
5 7 9
2
1 3
6
4
10
5 7 9 11
2
1 3
6 8
12
4
COM3 & COM4 Power Setting
COM3 and COM4 can be set to provide power to your serial device.
The voltage can be set to +5V or 12V by setting jumper JP18 on the mother-
board.
When enabled, the power is available on pin 10 of the RJ45 serial connector..
If you use the serial RJ45 to DB9 adapter cable, the power is on pin 9 of the DB9
connector.
By default, the power option is disabled in the BIOS.
BIOS/Utility setup
Press <DEL> key to enter BIOS
1.
SETUP UTILITY when system
boot up.
Find tab "Advanced".
2.
Select "Power Configuration
3.
COM/VGA Ports" and press
<Enter> to go to sub screen.
