DFI BT101 - Manual (Page 18)

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18
Chapter 2 Hardware Installation
Chapter 2
Digital I/O Power Select
2-3 On: +5V
1-2 On: +5V_standby
(default)
JP17 is used to select the power of Digital I/O signal.
1
3
2
1
3
2
Digital I/O Output State
1-2 On: +5V or
+5V_standby
(default)
2-3 On: GND
Based on the power level of DIO (Digital I/O) selected on JP17, JP18 (DIO pin 3/5/7/9) and
JP20 (DIO pin 11/13/15/17) are used to select the output state of Digital I/O: pull high or pull
low. When selecting pull high, the power selection will be the same as the JP17’s setting.
1
3
2
1
3
2
DIO 3/5/7/9
(JP18)
JP17
DIO 11/13/15/17
(JP20)