The ICUSB2322I 2-Port Industrial USB (Universal Serial Bus) to Serial Hub with DIN Rail Clips converts a single USB (Universal Serial Bus) port into two RS232 serial ports, enabling you to connect to, monitor & control your serial devices. Featuring rugged metal construction, with sturdy wall-mounting brackets & top-hat DIN Rail clips (included), this USB (Universal Serial Bus) to Serial Hub provides versatile mounting options & a robust solution for both harsh industrial environments & simple desktop installations. This USB (Universal Serial Bus) powered adapter also retains assigned serial COM port values once connected, allowing the same values to be automatically reassigned to the ports provided by the adapter.