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
On 28.05.19 13:57, 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 suggestionslast time I user APC UPS, it shut the system down a few seconds after power outage (when disconnected serial port, it held until the battery discharged). did you configure NUT to work with the UPS first? you should be able to debug UPS communication while disconnected from it, if that's feasible -- Matus UHLAR - fantomas, uhlar at fantomas.sk ; http://www.fantomas.sk/ Warning: I wish NOT to receive e-mail advertising to this address. Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu. Support bacteria - they're the only culture some people have.
Apc uses a propietary serial cable and your convertar for sure it's wired standard. Refer to the following link for info. https://pinoutguide.com/UPS/apc_smart_cable_pinout.shtml Good luck On Tue, 28 May 2019, 15:13 , <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 > > _______________________________________________ > Nut-upsuser mailing list > Nut-upsuser at alioth-lists.debian.net > https://alioth-lists.debian.net/cgi-bin/mailman/listinfo/nut-upsuser-------------- next part -------------- An HTML attachment was scrubbed... URL: <http://alioth-lists.debian.net/pipermail/nut-upsuser/attachments/20190528/38b89df1/attachment.html>
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 suggestionsFar 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
On 5/28/19 2:57 PM, 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 >You could try looking for something like https://www.delock.com/produkte/G_89220/technische_details.html I would also try a different usb-rs232 adapter because yours behaves very strange. Are you sure it is not defective ? M.
On 5/28/19 3:39 PM, Julian H. Stacey wrote:> 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 PChe 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
On Tue, 28 May 2019, nicolae788 wrote:> Apc uses a propietary serial cable and your convertar for sure it's wired > standard. Refer to the following link for info. > https://pinoutguide.com/UPS/apc_smart_cable_pinout.shtml > > Good luck > > On Tue, 28 May 2019, 15:13 , <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 >> >> _______________________________________________ >> Nut-upsuser mailing list >> Nut-upsuser at alioth-lists.debian.net >> https://alioth-lists.debian.net/cgi-bin/mailman/listinfo/nut-upsuser >super i'll make up a cable and give it a try
On Tue, 28 May 2019, nicolae788 wrote:> Apc uses a propietary serial cable and your convertar for sure it's wired > standard. Refer to the following link for info. > https://pinoutguide.com/UPS/apc_smart_cable_pinout.shtml > > Good luck > > On Tue, 28 May 2019, 15:13 , <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 >>soldered up a cable today the ups is in an out buiding with underground cable to the house plugged the rs232 to usb adapter into a raspberry pi zero w works great thanks