National Instruments NI 9403 32-Channel TTL Digital Input-Output C-Series Module

National Instruments NI 9401 8-Channel TTL High Speed Digital Input/Output

NI 9402 Digital Module C Series 779987-01 I/O Interface

National Instruments NI 9476 32-Channel Sourcing Digital Output Module DSUB

National Instruments NI 9375 16-Channel 24V Digital Input / Output

National Instruments NI 9375 DSUB 16-Channel 24V Digital Input / Output

National Instruments NI 9477 32-Channel Sinking Digital Output Module C-Series

1PC Used National Instruments NI-9402 Digital Module C Series I/O Interface