SIIG''s CyberX Industrial 1-port RS-422/485 USB to Serial Isolated Converter - Wide Temperature is designed to add a RS-422/485 serial port to a desktop or notebook computer via an available USB port. It supports 3000 VDC isolation protection and a wide range of operating temperature to ensure reliable connection and to protect valuable industrial devices while connected. Additionally, it is easy to install without jumper setting and powered by USB bus with low power consumption, no external power adapter is required. It is the perfect tool to instantly enable RS-422/RS-485 device connection for computer that is lack of a serial port.The CyberX Industrial 1-port RS-422/485 USB to Serial Isolated Converter - Wide Temperature is fully compliant with USB 1.1 Specification, FCC and CE regulatory approved, and RoHS-compliant. It supports a wide variety of Windows operating systems and backed by SIIG''s limited 5-year warranty.