UPort™ 1130 allows communication between your laptop or workstation USB port and RS-422/485 serial devices. UPort™ 1130 plugs into the USB port of your computer, while plugging the DB9(M) connector plug into the RS-422/485 serial port on your workstation. Built-in Windows driver helps with easy installation and configuration. The USB port connection allows you to extend the Windows Serial COM port on new or legacy 2-wire and 4-wire RS-422/485 devices. This plug-and-play USB solution is ideal for mobile devices, measuring instruments, POS and more.