[Nut-upsdev] Liebert ESP-II protocol

Daniel O'Connor doconnor at gsoft.com.au
Thu Aug 7 08:18:50 UTC 2008

On Mon, 4 Aug 2008, Arjen de Korte wrote:
> > I saw your email here
> > http://lists.alioth.debian.org/pipermail/nut-upsdev/2005-October/00
> >0243.html about the Liebert UPS protocol and I was wondering if it
> > actually got in the NUT tree?
> Maybe. I couldn't find a conclusive answer in the thread you
> mentioned.


> > I had a look in the 2.2.2 tree but I can only find the closed
> > contact stuff :(
> We also partially support some Liebert systems through the HID
> interface (the 'usbhid-ups'driver), but from a quick glance at this
> thread, this looks different. And another one through the 'megatec'
> driver (RS-232). If you have only USB, you might also try the
> 'megatec_usb' driver, although this probably won't work out of the
> box and requires some configuration parameters.

I have RS232 only, for extra fun the unit is very remote :)
(Someone bought it without checking what NUT supports - GRR)

I think I'll just stick with dry contact or "it isn't supported" I 
think.. :)

Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
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