[Nut-upsuser] MGE Ellipse USB cable config ?
Arjen de Korte
nut+users at de-korte.org
Sat Oct 13 19:07:40 UTC 2007
Derk-Jan Hartman wrote:
> This is not directly NUT related, but i don't know where else I can
> still ask this.
> I have been using a pretty decent 2nd hand MGE ellipse premium 1200VA
> for a while now at home. http://www.mgeups.com/download/doc_intl/
> It's been working very well for me on linux, but my linux server has
> recently passed away and now I only have Macs left. Therefore i wanna
> use this UPS for my mac trough USB. According to the online
> documentation this UPS has a "new communications port on the Pulsar
> ellipse models incorporates USB and Serial modes". However since this
> thing is 2nd hand from a now defunct internet company, apparently the
> USB cable was lost before I bought it.
> I have been scouring the Internet for several days now, but I can't
> even find where to buy an official cable (and i suspect it's probably
> expensive) and I cannot for the life of me find a schematic or
> something that describes what kind of cable this is exactly so that i
> can acquire one locally or build my own cable.
> So the questions are:
> 1: is the USB cable simply like the RS232 cable but with built-in USB
> converter ?
No, it's just a cable.
> 2: or is the com-port some sort of "autodetecting" system that can
> work in both a USB and a RS232 config ?
> In that case, would anyone know the USB pin layout of the socket on this thing ?
I don't know.
> 3: has anyone else used this or a similar MGE system on the mac?
> 4: Does anyone know a cheap address for one of these USB cables in
> the Netherlands, or at least Europe?
Why don't you use a USB-to-serial adapter? For around €15 you should be
able to pick one up at your favorite hardware store and use the serial
cable you already have.
Best regards, Arjen
More information about the Nut-upsuser