mITX-SKL-H – User Guide, Rev.1.1
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7.5.
Power Connector DC Jack (J32)
The mITX-SKL-H is designed to be supplied from a DC jack (J32). For more information on the input tolerance of the
+12 V and +24 V DC jack, see Chapter 4.8 Power Consumption.
The mITX-SKL-H can also be power by a standard 4-pin ATX+12 V supply, for more information see Chapter 8.1 Power
Connector 4-Pin ATX+12 V (J31).
Hot plugging of the power connectors is not allowed. Hot plugging might damage the board.
When connecting to the motherboard, turn off main supply to make sure all the power lines
are turned off.
Table 12: Pin Assignment DC Jack (J32)
Pin
Signal
Type
Note
1
+12 V to +24 V
PWR
2
SIG
O
NC
3
+12 V to +24 V
PWR
4
GND
PWR
5
GND
PWR
S1
Shield
PWR
SHIELD and GND are electrically connected
S2
Shield
PWR
SHIELD and GND are electrically connected
S3
Shield
PWR
SHIELD and GND are electrically connected
Signal Description
Signal
Description
Shield
SHIELD and GND are electrically connected
GND
Power Supply ground signal
