National Instruments SCXI-1162 32-Channel Isolated Digital Input 182246D-01 CMOS

National Instruments NI-9425 32-Ch Sinking Digital Input Module - Mint Tested

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

NI National Instruments SCXI-1163 32-ch Optically Isolated Digital Output Module

^ National Instruments NI SCXI-1163 32 Channel Isolated Digital Output Module

National Instruments NI SCXI-1102 / 32-Channel Thermocouple Amplifier

National Instruments NI SCXI-1102 32 Channel Thermocouple Amplifier Input module

National Instruments NI 9375 cDAQ Digital Input / Output Module 32ch DIO D-Sub!