[Nut-upsuser] Re: old Powercom UPS

Peter Selinger selinger at mathstat.dal.ca
Tue May 2 02:02:21 UTC 2006

Charles Lepple wrote:
> On 5/1/06, Criggie <criggie at criggie.dyndns.org> wrote:
> > Its a rather old PCM Powercom UPS-1200-A   I have tried the serial cables
> > from a fenton UPS (green ones) and a black APC 940-0024C cable without
> > success.  Since the statserial output doesn't change, it must be some
> > format of smart signal?
> Possibly, or maybe it is an even weirder cable than those. Note that
> for contact closure UPSes, output lines from the PC could be required
> to see proper input signal transitions.
> > Where do I go from here, short of outright replacement?
> If you can afford the downtime, you could poke around inside and trace
> the lines from the serial connector back to the circuitry.
> All merely suggestions, of course - don't blame me if you get zapped :-)

That, or you could just continue doing whatever you were doing for the
last 10 years. Was there ever some sort of software that could talk to
this UPS? 

-- Peter

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