The adapter circuit in this repo carries an inexpensive CPL2102 USB breakout board ... chip converts the TTL signals to RS232 via a Cisco-pinout RJ45 connector. Cisco console ports are attached with a ...

Did it have a little adapter in the box? There was a time when if you bought a USB mouse, in the box was ... it may well have come with an adapter for a 9-pin RS232 serial port.

Use a USB to RS232 adaptor and associated driver to connect (see example cable in reference folder). Shutter output (or otherwise make safe for high power led emission). Try installing the 'Spectra' ...