48-Channel TTL DIO USB Module
Advantech
24-Channel TTL DIO USB Module
48kS/s, 14-bit, Multi-function USB Module
Autonics
Photoelectric Sensor, Door, 4 Step, 12-24VAC/DC
8+2 100FX Port M.M. Fiber Managed Switch
16-Channel Isolated DI EtherNet/IP Module