Measurement Computing PC104-DO48H - Manual (Page 5)

1.0 INTRODUCTION
The PC104-DO48H is a digital output board.
The ‘H’ designation indicates that these boards are capable of ‘High Drive’. High
Drive TTL is capable of higher currents than standard TTL. A High Drive output is
capable of supplying 15 mA and sinking 64 mA.
There is no control register to set the port direction from input to output. The
PC104-DO48H boards are output only.
The PC104-DO48H conforms to the 50-pin connector pin specification of all
CIO-DIO family of digital boards, so can be used in place of one another without
changing cabling or connectors.
The board is supported by Universal Library programming library.
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