3. External Connection
40
DIO-48D2-PCI
About the Protection Feature
The +5VDC output of the board is provided with a PolySwitch-based protection feature. If the +5VDC
output is accidentally connected to GND, the protection feature works and it may disable the board
temporarily. In that case, turn the PC off, wait for a few minutes, then turn the PC back on.
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