Nut upsuser - Feb 2021 - [EXTERNAL] Tripp Lite "Remote Shutdown" when USB cable is attached

>> 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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On a quick check, I'm not seeing the problem with Ubuntu 20.04.1 and an
SU1000RTXLCD2U (4004 for USB). Reboot the box and disconnect/reconnect cable
were both ok.
I'll look into it more.

$ lsusb -d 09ae:4004
Bus 003 Device 007: ID 09ae:4004 Tripp Lite TRIPPLITE UPS

$ sudo upsc myups
Init SSL without certificate database
battery.charge: 100
battery.charge.low: 88
battery.charge.warning: 20
battery.runtime: 48960
battery.temperature: 26.9
battery.type: PbAc
battery.voltage: 27.0
battery.voltage.nominal: 24.0
device.mfr: TRIPPLITE
device.model: TRIPPLITE UPS
device.serial: 2928JLCPS795000132
device.type: ups
driver.flag.ignorelb: enabled
driver.name: usbhid-ups
driver.parameter.pollfreq: 30
driver.parameter.pollinterval: 2
driver.parameter.port: auto
driver.parameter.synchronous: no
driver.version: 2.7.4
driver.version.data: TrippLite HID 0.82
driver.version.internal: 0.41
input.frequency: 59.9
input.transfer.high: 150.0
input.transfer.high.max: 150
input.transfer.high.min: 145
input.transfer.low: 55.0
input.transfer.low.max: 60
input.transfer.low.min: 55
input.voltage: 125.0
input.voltage.nominal: 115
output.current: 0.0
output.frequency: 59.9
output.frequency.nominal: 60
output.voltage: 115.0
output.voltage.nominal: 115
ups.beeper.status: enabled
ups.delay.shutdown: 20
ups.delay.start: 30
ups.firmware: 64
ups.load: 0
ups.mfr: TRIPPLITE
ups.model: TRIPPLITE UPS
ups.power: 0.0
ups.power.nominal: 1000
ups.productid: 4004
ups.serial: 2928JLCPS795000132
ups.status: OL
ups.timer.reboot: 0
ups.timer.shutdown: -1
ups.timer.start: 0
ups.vendorid: 09ae
ups.watchdog.status: 0



$ cat /etc/os-release
NAME="Ubuntu"
VERSION="20.04.1 LTS (Focal Fossa)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.04.1 LTS"
VERSION_ID="20.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=focal
UBUNTU_CODENAME=focal



Thank you,
David Zomaya
Tripp Lite








________________________________
 This message is for the addressee's use only. It may contain confidential
information. If you receive this message in error, please delete it and notify
the sender. Tripp Lite disclaims all warranties and liabilities, and assumes no
responsibility for viruses which may infect an email sent to you from Tripp Lite
and which damage your electronic systems or information. It is your
responsibility to maintain virus detection systems to prevent damage to your
electronic systems and information.

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

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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


________________________________
 This message is for the addressee's use only. It may contain confidential
information. If you receive this message in error, please delete it and notify
the sender. Tripp Lite disclaims all warranties and liabilities, and assumes no
responsibility for viruses which may infect an email sent to you from Tripp Lite
and which damage your electronic systems or information. It is your
responsibility to maintain virus detection systems to prevent damage to your
electronic systems and information.