[Nut-upsuser] Liebert UPS, serial cable questions

[George]

Hi,

Well I was able to make it workwith a java application called
MultiLink which I downloaded from the Liebert website.

The bad part of this Java app is that it requires a XWindow system
like KDE or Gnome.

Thanks

On 2/4/08, Alain Williams <addw at phcomp.co.uk> wrote:
> On Sat, Feb 02, 2008 at 04:02:01PM +0200, George wrote:
> > Hi,
> >
> > I have a Liebert GXT2-1000RT230 UPS that is connected to my server
> > using a serial cable.
> >
> > I have no idea to what port exactly it is connected so my first
> > question is: how do I find out what /dev/tty** should I use?
> >
> > Do I need to install a device driver for it? Where do I find it?
> >
> > What should I use and how do I do so the server shuts down if the
> > battery level is low?
>
> I have a Liebert UPS. It kind of works - connected via USB.
> The problem that I have is that the UPS powers down too quickly
> after it gives the 'shutdown' warning. There is some nasty Java
> application that is supposed to control it, but I can't make it work.
> The trouble is that the protocol to describe how to configure
> it is deemed proprietary -- I have contacted Liebert, the guy reluctantly
> said that he would ask managagement if they would release the specs,
> never came back to me.
>
> I suggest that we mark Liebert as 'partly' supported.
>
> Until I can control Liebert properly I would not buy another one
> and would not want others to make the same mistake.
>
> The web site just lists things as supported -- some indication of
> quality/goodness of support would be nice.
>
> --
> Alain Williams
> Linux Consultant - Mail systems, Web sites, Networking, Programmer, IT Lecturer.
> +44 (0) 787 668 0256  http://www.phcomp.co.uk/
> Parliament Hill Computers Ltd. Registration Information: http://www.phcomp.co.uk/contact.php
> Chairman of UKUUG: http://www.ukuug.org/
> #include <std_disclaimer.h>
>


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