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List:       apcupsd-users
Subject:    Re: [Apcupsd-users] [SNMP UPS Driver] stellar's temperature in UPS :-)
From:       Ted Mittelstaedt <tedm () mittelstaedt ! us>
Date:       2014-04-09 4:41:01
Message-ID: 5344CF5D.5060305 () mittelstaedt ! us
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On 4/8/2014 3:02 PM, Adam Kropelin wrote:
> On Tue, Apr 8, 2014 at 11:09 AM, Ted Mittelstaedt <tedm@mittelstaedt.us
> <mailto:tedm@mittelstaedt.us>> wrote:
>
>     Did wireshark also show the same value for the runtime?
>
>
> Yes, same value (times 100).
>

The Original Poster needs to contact APC support and submit this as a
bug.

Ted

>     One point I will raise about the output of apctest and my
>     card - apctest displays it in 3 significant digits - while
>     the temp probe might indeed read to 100C I doubt the UPS would
>     survive that temp. ;-)
>
>
> Perhaps, but theoretically the probe could be in a different environment
> than the UPS itself, assuming of course the probe can survive 100C. Also
> if memory serves, apctest for smart serial simply reports whatever ASCII
> characters the UPS sends for given reading. apcaccess, on the other
> hand, will actually show a formatted value to one decimal place.
>
> On a related note I did observe a potential bug in the apcupsd SNMP code
> for temperature while I was poking around in there. It does not seem to
> have a provision for negative values, so if the SNMP side actually
> returned a negative value apcupsd is likely to report it as a very large
> positive value. I need to look at APC's MIB to see if they define that
> OID as going negative or not.
> --Adam
>
>
>
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