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Add an RS422/485 serial port to your system through USB; features COM port retention The ICUSB422 6 ft Professional RS422/485 USB Serial Cable Adapter with COM Port Retention lets you connect RS422 or RS485 serial devices to your USB-enabled computer. The adapter features a 9-pin (DB9) male serial connector as well as dipswitch controls for easy port configuration, and requires minimal software. The RS422/RS485 USB Adapter is fully powered via the host USB connection and provides power to the attached serial device without requiring an external power adapter. COM Port Retention saves the assigned port settings, allowing you to disconnect and re-connect the adapter with little to no configuration required on the host computer. Backed by a StarTech.com 2-year warranty and free lifetime technical support. The StarTech.com Advantage - USB Powered - no power outlet required, and no cumbersome AC adapter to carry around - Supports high speed RS-422/RS-485 communication up to 921.6kbps; 400% faster than most USB to RS-232 adapters - COM retention saves the assigned port settings for the device, so disconnecting/reconnecting is hassle-free
