Edp Backilight Power Select (Optional); Com 1 Rs232/Power Select - DFI KU173 User Manual

eDP Backlight Power Select (Optional)
1
2
3
JP2
1-2 On: +3.3V
(default)
1
2
3
2-3 On: +5V
JP2 is used to select the power level of backlight control: +3.3V (default) or +5V.
Important:
Before powering-on the system, make sure that the power settings of JP2 match the
power specification of backlight control. Selecting the incorrect voltage will seriously
damage the backlight.
Chapter 2 Hardware Installation
Chapter 2

COM 1 RS232/Power Select

JP5 is designed to configure the Serial COM port 1 to pure RS232 or RS232 with power. The
pin functions of COM 1 will vary according to JP5's setting.
5 3 1
6 4 2
1-3 (RI-), 2-4 (DCD-) On:
RS232 (default)
2
1
15
COM 1:
RS232/422/485
COM 1
2
1
JP5
JP5
5 3 1
6 4 2
3-5 (+5V), 4-6 (+12V) On:
RS232 with power
COM 1
2
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