National Instruments NI 9401 Network Card User Manual


 
NI 9401 Operating Instructions and Specifications 12 ni.com
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