The FTDI USB-COM232-PLUS4 is a USB-to-RS232 serial adapter that provides four DB9 RS-232 ports from a single USB connection. It connects to a host via a USB-mini interface and supplies four DB9 RS-232 connectors for serial devices. Designed for expanding a computer or device's serial I/O, this FTDI-based adapter enables multiple RS-232 devices to be accessed over one USB port.
