National Instruments NI 9403 w/ DSUB 32-Ch, TTL Digital Input / Output Module

National Instruments NI 9425 32-Channel Sinking Digital Input Module

NEW National Instruments NI9476 NI-9476 32-Channel C Series Digital Module

National Instruments NI 9425 32-Ch 24V Sinking Digital Output Module

US Free TAX NEW NI NI-9476 NI9476 32-Channel C Series Digital.

Digital DC Sourcing Output Module 1734-OB8E POINT SER C

National Instruments NI 9472 w/ DSUB 8-Ch, 24V Sourcing Digital Output Module

US Free TAX NEW NI NI-9476 NI9476 32-Channel C Series Digital.