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/ > small/premium/389uk.pdf > 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 ? Yes. > 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 _______________________________________________ Nut-upsuser mailing list Nut-upsuser@lists.alioth.debian.org http://lists.alioth.debian.org/mailman/listinfo/nut-upsuser