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4.2.1 X1/X4 or X2 Power Supply
Recommended:
X1 Power Supply VCC 5V
(mounting tab 2.8mm)
Pin
Signal
Information
1
Main supply +5V
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(mounting tab 4.75mm)
X4 Power Supply GND
Pin
Signal
Information
1
GND
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Alternative:
X2 Power Input
Pin
Signal
1
GND
3
Main_SW (push button to switch on the board)
5
SMB_DAT
7
GND
VCCSUS = 5Volt Main Supply Input
2
Pin placement:
1
Note:
If the MSM200 is supplied with 5V, it is not necessary to also supply 12V to the board, unless a peripheral
board on the PCI/104e BUS needs to be supplied with 12V.
4.2.2 Main Button / Automatically Power On Button
Pin
Signal
1
GND
If you want to push a button to start the system:
A push button (Main Button) must be connected to X2, Pin 1/3
»
After pushing the Main Button the board will start.
»
If the Main Button is pressed for more than 4 seconds, the power will be switched off.
»
18
Part Nr. 236 712-1
Part Nr. 236 713-1
4
6
8
3
5
7
Pin
Signal
3
Main button
MSM200X/XP/XU & SMA200 / Connectors & Jumpers
Pin
Signal
2
VCCSUS +5Volt input supply
4
(+12V input)
6
SMB_CLK
8
VCCSUS +5Volt input supply
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