[Nut-upsuser] Unsupported UPS using megatec_usb

[Alexander I. Gordeev]

Hi Jamie,

On Fri, 25 Apr 2008 03:13:15 +0400, Jamie Thompson <lists.nut-upsuser at jamie-thompson.co.uk> wrote:

> Hey all, thanks for your work on nut. I recently got myself a new cheap UPS, and have thus far determined very little about it. I can run whatever you
> like to help identify and work with it. So far I've played around with various settings and have had some limited success with the megatec_usb driver
> (Debian testing version):
>
[snip]
>> Asking for UPS information [I]...
>> get_data_krauler: index [0c], prefix [#]
>> - Unable to fetch string 12
>> get_data_krauler: connection failure
>> I => FAILED [timeout]
>> Megatec protocol UPS detected.
>> Asking for UPS power ratings [F]...
>> get_data_krauler: index [0d], prefix [#]
>> - Unable to fetch string 13
>> get_data_krauler: connection failure
>> F => FAILED [timeout]
>> Cannot calculate charge percentage for this UPS.
>> -> String: UPS No Ack (len = 10/512)
>> set_data_krauler: dump [UPS No Ack]
>> Done setting up the UPS.
>> Asking for UPS status [Q1]...
>> get_data_krauler: index [03], prefix [(]
>> - Unable to fetch string 3
>> get_data_krauler: connection failure
>> Q1 => FAILED [timeout]
[snip]

megatec_usb is definitely the right driver for your UPS.
I don't know if anything could be done to stop failures.
Can you plug the UPS to another computer and run megatec_usb again?
Also please try version 2.2.2-pre3 released today:
http://www.networkupstools.org/source.html

>
> Looking at similar mails in the archives I guess you need some of those values for the battery table in the driver, but I'm not clear which.
>

As Carlos wrote recently there is no way to calculate charge percentage
if I and F commands fail.
http://lists.alioth.debian.org/pipermail/nut-upsuser/2008-April/003970.html

-- 
  Alexander