[Nut-upsuser] apc with rs232

[nicolae788]

Good job :)

On Wed, 29 May 2019, 18:21 , <grumpy at mailfence.com> wrote:

> 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
>
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