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. _______________________________________________ Nut-upsuser mailing list [email protected] https://alioth-lists.debian.net/cgi-bin/mailman/listinfo/nut-upsuser
