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Digital I/O Connector
© National Instruments Corporation
All digital I/O is transmitted through a standard, 50-pin, male
connector. Pin 49 is connected to +5 V through a resettable protection
fuse. You can use this +5 V supply to operate I/O module mounting
racks. Even-numbered pins are connected to ground. See the Optional
Equipment section in Chapter 1, Introduction, as well as Chapter 3,
Signal Connections, for additional information.
4-3
Chapter 4
Theory of Operation
PC-DIO-24/PnP User Manual
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