DFI G4V100-P User Manual page 30

2
Hardware Installation
2.4.7 COM 4 RS232/RS485/AUX Select
12
2
JP6
!
1
11
12
2 12
2
12
2
1
11
1 1
11
11
1-3, 2-4, 7-9, 8-10 On:
3-5, 4-6, 7-9, 8-10 On: 9-11 (12V),
RS232
RS485 10-12 (5V) On:
(default)
Auxiliary power
JP6 is used to set COM 4 to RS-232 or RS-485. If the serial device
connected to this port requires 5V/12V power from the system
board, set JP6 pins 9-11 and 10-12 to On. This setting automatically
sets COM 4 at RS-232.
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