Exsys USB B Female Female to RS232 Interface Adapter

The Exsys USB Converter is a plastic case, provides two high performance 16C550-type UART compatible RS-232 serial ports. It is designed for PC or Notebooks to provide instant COM port expansion in a robust metal case through the USB 1.1 or 2.0 bus. With the easy installation you don’t need to open the computer system and install it when the system run.

IO addresses and interrupt are assigned by the operating system
LED display for TX and RX signals
Power supply from USB bus