Hi, Reference: > From: Manuel Wolfshant <wo...@nobugconsulting.ro> > Date: Tue, 28 May 2019 16:42:21 +0300
Manuel Wolfshant wrote: > On 5/28/19 3:39 PM, Julian H. Stacey wrote: > > 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 > he would still need a correct cable ( as required by APC, I forgot about > their brain dead decision to use non standard wiring ), which seems to > be his real problem. and cheaper and consuming much less energy than any > old pc is a pci rs232 adapter Yes, I have an APC too, APC pin out is weird non standard, I soldered up my own special cable adapter years back if he (gru...@mailfence.com cc'd) just connected some serial adapter to APC, that would Not work, & might be cause of his shutdown, gru...@mailfence.com should first make up an adapter with a male & female, to adapt from APC to standard, that can then be added to whatever else is used/ tried beyond. 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