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

National Instruments SCXI-1163 32 Channel Isolaated Digital Output Module LOT#13

National Instruments SCXI-1163 32 Channel Multiplexer Module LOT # 12

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

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

^ National Instruments NI SCXI-1162 32 Channel Isolated Digital Input Module

National Instruments NI-9476 NI9476 32-Channel Sourc Digital Output Module DSUB

National Instruments Ni 9477 Digital Output Module 32-Channel 0-60V Used