USB-C (female) connector to DSUB9 RS232 (male) port. Supports bidirectional communication between modern USB-C devices and RS232 hardware. WCH CH340G: USB-to-UART bridge IC for reliable USB ...

There was a time when if you bought a USB mouse ... you bought a mouse with a PS/2 connector fitted, it may well have come with an adapter for a 9-pin RS232 serial port. Those mice from a decade ...

This supports any serial protocol for communicating with the amps, including RS232 ports, USB serial ports, and possibly the RS232-over-IP interface for more recent Xantech amps. See below for exactly ...