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6-1-3.
Jumper & BIOS/Utility Setting
COM2 RS232/485/422 Setting
Function
▲RS232
RS485
RS422
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 con-
nector. 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
1. Press <DEL> key to enter BIOS
SETUP UTILITY when system
boot up.
2. Find tab "Advanced".
3. Select "Power Configuration
COM/VGA Ports" and press
<Enter> to go to sub screen.
JP5
1 3 5 7 9
2 4 6 8 10
1 3 5 7 9
2 4 6 8 10
1 3 5 7 9
2 4 6 8 10
JP4
1 3 5 7 9 11
2 4 6 8 10 12
1 3 5 7 9 11
2 4 6 8 10 12
1 3 5 7 9 11
2 4 6 8 10 12
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