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Specifications, Input/output characteristics – National Instruments NI 9401 User Manual

Page 12

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NI 9401 Operating Instructions and Specifications

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Specifications

The following specifications are typical for the range –40 to 70 °C
unless otherwise noted. All voltages are relative to COM unless
otherwise noted.

Input/Output Characteristics

Number of channels.......................... 8 DIO channels

Default power-on line direction ........ Input

Input/output type............................... TTL, single-ended