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LED2:
CF Card LED status.
S1:
PWR BT: POWER on/off Button
, They are used to connect power switch button. The
two pins are disconnected under normal condition. You may short them temporarily to
realize system startup & shutdown or awaken the system from sleep state.
PWR LED:
POWER LED status.
COM3:
(Type DB9),
I/O serial port, it provides selectable RS422/RS485 serial signal output.
RS422 Type (option)
RS485 Type (option)
Signal Name
Pin#
Pin#
Signal Name
1 1
NC
422_RX- 2 2
NC
422_TX- 3 3
485-
4 4
485+
Ground
5 5
Ground
NC 6
6
NC
NC 7
7
NC
NC 8
8
NC
NC 9
9
NC
Note:
Use COM3 RS422 or RS485 Function, please enter BIOS CMOS Setup. Path:
BIOS Setup Utility \ Advanced /Super IO Configuration \ Serial Port3 Type:
