On Mar 25, 2013, at 2:34 AM, David Vree wrote:

> Got one of these up and running with the tripplite_usb driver on Ubuntu 
> Server 12.04  x64.  This particular model has product code 0x1000.

I haven't run across a product code on these units before (just the USB VID, 
PID, and a Tripp-Lite specific protocol, which appears to be 2001 in your case).

> Setup and installation was pretty standard.  The only hiccup was I had to 
> create a udev rule to give the nut group access to USB     devices.

Did you install via the official .debs, or source? The Ubuntu .debs should set 
everything up with udev - if not, please file a bug: 
https://launchpad.net/ubuntu/+source/nut

> If anyone has any questions let me know.  Here's what I am got back from the 
> upsc command:
> 
> battery.charge: 100
> battery.test.status: Battery OK
> battery.voltage: 14.75
> battery.voltage.nominal: 36
> device.mfr: Tripp Lite
> device.model: UPS
> device.type: ups
> driver.name: tripplite_usb
> driver.parameter.pollinterval: 2
> driver.parameter.port: /dev/usb/hiddev0
> driver.version: 2.6.3
> driver.version.internal: 0.20
> input.voltage: 106.97
> input.voltage.nominal: 120
> output.voltage: 114.0
> ups.debug.load_banks: 0
> ups.debug.V: 31 30 36 30 58 58 0d '1060XX.'
> ups.delay.shutdown: 64
> ups.firmware: F1247.A
> ups.firmware.aux: protocol 2001
> ups.mfr: Tripp Lite
> ups.model: UPS
> ups.power.nominal: 750
> ups.productid: 0001
> ups.status: OL
> ups.vendorid: 09ae
> 
> One question I have thought is this:  What triggers the drive to send the 
> shutdown command?

As Doug mentioned, by default NUT shuts down when the UPS signals LB (low 
battery). If there is no "upsrw" variable available to adjust, it means one of 
two things: the UPS can't adjust this limit, or we don't know how to adjust it. 
[update: I see that this is not listed in the upsrw output. bummer.]

It is worth pointing out that the serial and non-PDC Tripp-Lite UPSes are all 
based on reverse-engineered protocols. Only the Tripp-Lite models supported by 
usbhid-ups are based on an open standard protocol (HID Power Device Class), and 
even then, some experimentation was needed.

-- 
Charles Lepple
clepple@gmail




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