Acnodes PC 9150 - Manual (Page 21)

8. JP1:
(2.0mm Pitch 2x3 Pin Header),COM1 jumper setting, pin 1~6 are used to select signal
out of pin 9 of COM1 port.
JP1 Pin# Function
Close 1-2 COM1 RI (Ring Indicator)
(default)
Close 3-4 COM1 Pin9=+5V
(option)
Close 5-6 COM1 Pin9=+12V
(option)
9. RS-232:
(Switch),COM1 jumper setting, it provides selectable RS232 or RS422 or RS485 serial
signal output.
Func tion S_232 Pin#
RS232
(Default)
ON:
Pin1, Pin2, Pin3, Pin4
RS422
(option)
OFF:
Pin1, Pin2, Pin3, Pin4
RS485
(option)
OFF:
Pin1, Pin2, Pin3, Pin4
10. RS-422:
(Switch),COM1 setting, it provides selectable R S232 or RS422 or RS485 serial signal
output.
Func tion RS_422 Pin#
RS232
(Default)
OFF: Pin1, Pin2, Pin3, Pin4
RS422
(option)
ON: Pin1, Pin2, Pin3, Pin4
RS485
(option)
ON: Pin1, Pin2, Pin3, Pin4
Note: M us t k eep the setting with BIOS setting.