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

NI National Instruments SCXI-1163R 32-Channel Solid-State Relay Module

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

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

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

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

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

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