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Add an R422/485 serial port to your laptop or desktop computer through USB. The ICUSB422IS 1 Port Metal Industrial USB to RS422/RS485 Serial Adapter w/ Isolation connects to a computer using USB and allows you to connect any RS-422 or RS-485 serial device via the provided DB9 port or hard-wired to the terminal block. The USB to serial adapter features circuit isolation to ensure that sensitive controls and devices will not be damaged while connected. making it a viable solution for connecting costly industrial serial devices. The RS422/485 Converter receives full power via the host USB connection. and provides power to the attached serial device without requiring an external power adapter. Designed to provide a durable serial solution. the USB to RS422/485 Converter is ruggedly constructed and can be mounted nearly anywhere. com 2-year warranty and free lifetime technical support.