"Edward Ned Harvey" <[email protected]> writes:
> At a former company, I had Backups instead of Smartups. Because it was =
> cheaper and I couldn't produce any compelling reason to care. If I =
> remember right ... First of all ... I think the backups does not allow =
> hotswapping of batteries. I think they both behave gracefully in =
> over-load conditions. I think the backups maybe had no way to monitor =
> it. In fact, now that I think of it, I think the backups doesn't allow =
> changing of batteries at all. I'm unsure.
Not having closely examined the backups I have, I'd expect it not
to allow battery swapping. It's a home unit. I can afford to shut it
down and swap in a new unit -- I'm not trying for five 9s, and the
unit was probably $50.
It does have a light weight amount of monitoring through it's usb
port; mine has some sense of load and battery time (which I of course
take with a healthy grain of salt).
> I know we had some backups of the extra cheap type, something like =
> BE550G, that stayed at peoples' desks. Occasionally without any power =
> interruption, the devices would just start beeping as if there was a =
> power interruption. (Once every ... I guess 3-4 months). So users =
> would basically panic, and press the big button UPS, which is the power =
> button, causing an outage for themselves. I learned if it happened, you =
> only needed to touch the little "test" button and it would go back to =
> normal. It was weird.
I do get a once in a blue moon transient, but knowing the power
company, it's a genuine brief transient and not a false under
voltage. In some cases I've noticed a flicker in the lights as it
does it. Stuff not on UPS hasn't ever dropped during these
(especially my wife's mac, they put serious supplies in those things).
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