gru...@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 Brexit ref. stole votes from 700,000 Brits in EU; 1.9 M young, more remainers had no vote; 1.3 M old, mostly leavers now dead. Lies part paid by illegal foreign funds. In-sufficient fines & control. http://stolenvotes.uk _______________________________________________ Nut-upsuser mailing list Nut-upsuser@alioth-lists.debian.net https://alioth-lists.debian.net/cgi-bin/mailman/listinfo/nut-upsuser