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Re: [K12OSN] OT: Hardware Hacking: Share one UPS between two computers



On 18/12/05, Peter Hartmann <ascensiontech gmail com> wrote:
> I'm looking to share an APC UPS between to computers with USB in a DIY
> fashion. Can't I just splice 2 A male connectors (leaving the 5v +
> unconnected) with a female A connector? To be more specific I mean to
> connect all the pin 2s to each other; all the pin 3s to each other;
> all the pin 4's to each other and leave all the pin 1s unconnected.
> I'm trying the UPS to signal the shutdown without networking because
> one computer is in the dmz and the other is the LTSP server.
>
>
> What do you think, will that work?
>
Peter,

The correct route is to add a "ShareUPS" device to the mix. The
shareUPS takes a feed from the UPS and then splits out 4 or 5 serial
ports. I don't know the pricing - I just get given them at work!

Another route could be to try and copy /dev/tty0 to /dev/tty1 and then
run up the UPS software - see if that works?

Jon


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