[Nut-upsuser] EMC/ACBEL Polytech UPS
mark.buechler at gmail.com
Sun Nov 5 16:47:45 CET 2006
I don't believe it did light up but I'll check again.
Is it possible to learn more with minicom or some other terminal app?
On 11/5/06, Charles Lepple <clepple at gmail.com> wrote:
> On 11/5/06, Mark Buechler <mark.buechler at gmail.com> wrote:
> > Each has a RJ45 connection and a cable which has a DB9 on the other end
> so I
> > would assume serial.
> Probably serial, then.
> > I have a serial analyzer of sorts which have LEDs
> > indicating read/write etc, however, I see no change in any lines when
> > input power on the UPS. I suspect the connections are serial but
> > non-standard wiring - but I could be wrong.
> Usually, non-standard wiring is done on the UPS side to force you to
> buy the manufacturer's cable (which it sounds like they accomplished
> with the RJ45 jack).
> It might be a "smart" UPS where you have to initialize it, or query
> the state every so often. Does the PC's RX line light up on the
> analyzer when you plug the UPS DB9 into the analyzer? That might
> indicate that it can transmit serial data back to the PC, even if the
> other lights do not change.
> There are some likely candidates in the "Various" section of this table:
> Since you said you did not see any changes on the control lines, you
> can probably rule out the genericups driver. I think the bcmxcp driver
> controls a number of rebranded UPSes as well, but I haven't had much
> firsthand experience with these drivers.
> - Charles Lepple
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