Add a serial RS422/485 port to your system via USB with COM port retention.

With the professional 1.8 m long ICUSB422 RS422/485 USB Serial Cable Adapter featuring COM port retention, you can connect RS422 or RS485 devices to a USB-enabled computer. The adapter has a 9-pin serial connector (DB9) and a DIP switch for easy port configuration, requiring minimal software prerequisites. The serial adapter is USB-powered, so no external power adapter is needed. Thanks to COM port retention, the assigned port settings are saved, meaning that virtually no configurations are required on the host computer when the adapter is reconnected.