Aplex Technology ARCHMI-707 - Manual (Page 33)

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BIOS Setup：
Advanced/W83627UHG Super IO Configuration/Serial Port
1 Configuration【RS-232】
RS422 (option):
Pin# Signal Name
1 422_RX+
2 422_RX-
3 422_TX-
4 422_TX+
5 Ground
6 NC
7 NC
8 NC
9 NC
BIOS Setup：
Advanced/W83627UHG Super IO Configuration/Serial Port
1 Configuration【RS-422】
RS485 (option):
Pin# Signal Name
1 NC
2 NC
3 485-
4 485+
5 Ground
6 NC
7 NC
8 NC
9 NC
BIOS Setup：
Advanced/W83627UHG Super IO Configuration/Serial Port
1 Configuration【RS-485】
12. JP2:
(2.0mm Pitch 2x3 Pin Header),COM2 jumper setting, pin 1~6 are used to select signal out
of pin 9 of COM2 port.
JP2 Pin# Function
Close 1-2 COM2 RI (Ring Indicator) (default)
Close 3-4 COM2 Pin9=+5V (option)
Close 5-6 COM2 Pin9=+12V (option)