Re: apcupsd sc420i line voltage

[Vukovics Mihály <vm@informatik.hu>]

Hi Alexander,

thanks for the tipp. NUT also reports wrong model name and line voltage.
The USB-Serial converter is probably OK, as I can access the UPS over 
ttyUSB and issue commands and get proper answers.

BR,
Mihaly

--
Köszönettel:
Vukovics Mihály

On 2022. 12. 07. 18:37, Alexander V. Makartsev wrote:
> On 07.12.2022 19:47, Vukovics Mihály wrote:
> > Hello Community,
> >
> > I am strugling with APC SmartUPS SC420I and apcupsd.
> > The UPS is connected via usb-to serial adapter and 940-0024E cable.
> >
> > The UPS is recognized as "Back-UPS Pro 280" instead of SC420I and the 
> > line voltage is displayed as 120V instead of the real 230V.
> >
> > UPSTYPE apcsmart
> > DEVICE /dev/ttyUSB0
> >
> > Has any of  you experienced like this and know how to fix at least 
> > the line voltage value?
> Maybe it would be better to try "nut-server" which could have a better 
> apcsmart driver implementation?
> I have APC SmartUPS SC1500I with similar setup, USB-to-COM adapter and 
> self-made APC UPS Smart cable and it is working fine with nut-server, 
> both monitoring and control.
>
> Another thing to check could be an usb-to-serial adapter. I've seen 
> some cheap low-quality adapters which were created with counterfeit ICs.
>
> --
> With kindest regards, Alexander.
>
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