[Nut-upsuser] [EXTERNAL] Tripp Lite "Remote Shutdown" when USB cable is attached

Adam Talbot
Fri, 05 Mar 2021 21:24:28 -0000

I rebooted, and this struck again.  I can add just a little more info.  The
"REMOTE SHUTDOWN" happens within 2 second of the kernel loading.
Before
init starts.  I tried a couple of times to plug in the UPS (USB), all after
the server was up and running.  Each time the UPS did a remote shutdown.

Any other ideas?

On Fri, Feb 5, 2021 at 11:33 AM Fairfax, Charles A. <FairfaxC at
missouri.edu>
wrote:

> David,
> To answer your question:  In addition to the SU3000XLCD which shut down
> when I connected my Raspbian Pi via USB I have a couple SU1000XLa, a couple
> SU1000RTXL2Ua, and one SU3000RTXLCD3U connected by USB Raspberry Pi.  No
> network or EPO connections.  I've only experienced the shutdown issue
once
> on that one UPS.
>
> I also have several SU1000RT2U one SU2200RT2U which I monitor with NUT but
> they predate USB so are connected by RS232.  At nearly 20 years old they
> probably don't enter into this discussion but they have been working
great
> with NUT.
>
> Charles Fairfax
>
> -----Original Message-----
> From: David Zomaya <David_Zomaya at tripplite.com>
> Sent: Wednesday, February 3, 2021 10:14 AM
> To: Adam Talbot <ajtalbot1 at gmail.com>; Fairfax, Charles A. <
> FairfaxC at missouri.edu>
> Cc: nut-upsuser at lists.alioth.debian.org
> Subject: Re: [Nut-upsuser] [EXTERNAL] Tripp Lite "Remote
Shutdown" when
> USB cable is attached
>
> WARNING: This message has originated from an External Source. This may be
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>
> >> I have a few other models of TrippLite UPSs in service but the
> SU3000XLCD is the only one that's shut down like this for me.
> Do you know any of the other models? Would be an interesting data point
>
> >>  I did contact TrippLite at the time and they asked me to call
with the
> computer and UPS available.
> I was on the tech support team back then... maybe we've come full
circle.
> I plan to dig into this sometime this week when I am in the office.
>
> Thank you,
> David Zomaya
> Tripp Lite
>
>
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