[mythtv-users] UPS with mythbuntu

[Hika van den Hoven]

Hoi Simon,

Tuesday, February 24, 2015, 10:56:28 PM, you wrote:

> Mike Perkins <mikep at randomtraveller.org.uk> wrote:

>>> You aren't the first to find this - though normally if the lights go out, you aren't too worried about printing.

>> That wasn't the point - when you initially plug everything in and switch on the power, the UPS complains - and doesn't stop. The printer just takes too heavy a startup load. The same would happen after an outage.

> I didn't miss the point - you aren't the first to find this, and I
> doubt you'll be the last. Same problem starting up motorised
> equipment (such as large saws and stuff) from generators - unless
> the generator is "somewhat oversized" for the nominal load, the
> startup inrush kills the genny output. I've run a laser from a UPS -
> but it was a 1500VA UPS (that I borrowed from work, don't worry, it
> was spare !) and I was working in a caravan off a 3kVA genny (doing results for a motorsport event).


> Hika van den Hoven <hikavdh at gmail.com> wrote:

>> If power is off, your recording probably already is messed up. No
>> signal any longer= ;(

> That depends.
> If you don't have an amplifier on the aerial feed then it'll be
> alright, or if you do have an amplifier and it's powered from the
> UPS. Unless it's a widespread outage that's taken the transmitter
> down as well - but in my case, the transmitter is 40 miles away
> (more like 80 by road !) and if we have an outage that widespread
> then losing a recording is the least of my worries as it means a big
> chunk of the national grid has gone down.

> If it's a cable feed (or similar) with decoder etc, then same
> things applies - if you power your kit off the UPS it will still
> work if the supplier's end is still running.

Don´t forget the in between amplifiers in the cable grid!


Tot mails,
  Hika                            mailto:hikavdh at gmail.com

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