[Nut-upsuser] apc with rs232

[Julian H. Stacey]

grumpy at mailfence.com wrote:
> a friend gave me an old apc smart-ups 1250
> it has a rs232 interface but i have no pc with a rs232 port
> i attempted to use a rs232 to usb adapter but the ups goes nuts
> i connected the ups to batteries and verified it was working properly
> when i plug the usb cable into the pc the ups shuts down
> when i attempt to turn it on it beeps twice and shuts down
> this all occurs before i start the nut software
> other than give up or buy a new ups, any suggestions

Far cheaper than a new UPS would be a 2nd hand old small PC with ethernet;
then run NUT over ethernet to modern PC
You can get old PCs that are book sized. & libretto sized too, etc.

Cheers,
Julian
-- 
Julian Stacey, Consultant Systems Engineer, BSD Linux Unix, Munich Aachen Kent
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