[Nut-upsdev] Free and well documented NUT driver protocol

[Stuart Henderson]

On 2023-03-20, Łukasz Przeniosło <lukasz at przenioslo.com> wrote:
> Thank you for the link. It does seem what I am looking for. Are you aware 
> of any similar standard created for a serial device? I have a working CDC 
> usb setup, which is why I am asking. If required, will switch to HID though.

I don't think there's a fully documented spec for a standard serial
protocol for controlling UPS, the best you're likely to get is a common
reverse-engineered one, there's some advice in the old list post at
https://nut-upsdev.alioth.debian.narkive.com/HziUB0aa/ups-serial-protocol