The USB-COMi-TB is a USB-to-Industrial Single RS-422/485 Adapter designed to make industrial communication port expansion quick and simple. Connecting to a USB port on your computer or USB hub, the USB-COMi-TB instantly adds an industrial serial RS-422/485 communication port to your system. By taking advantage of the USB bus, the USB Industrial I/O Adapter makes it easier than ever to add RS-422 or RS-485 device to your system with easy plug-and-play and hot plug features. Adapting this technology, the industrial I/O communication port expansion adds now serial port easy and convenient connectivity allowing unusual speed settings like 921.600bps.