DFI HU101 - Manual (Page 14)

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14
Chapter 2 Hardware Installation
Chapter 2
LCD/Inverter Power Select
1-2 On: +12V
2-3 On: +5V (default)
JP19
1 3 2
1 3 2
COM 1/COM 2 RS232/Power Select
1-3 (RI), 2-4 (DCD) On:
RS232 (default)
3-5 (+5V), 4-6 (+12V) On:
RS232 with power
JP4 (for COM 1) and JP8 (for COM 2) are designed to configure the Serial COM ports to pure
RS232 or RS232 with power.
COM 1
JP4
JP8
COM 2
1
3
5
2
4
6
2
4
6
1
3
5
2
1 9
COM 1/COM 2:
RS232/422/485
JP9 is used to select the power level of the LCD/inverter power connector.