Re: (PM) Semi-Off Topic: UPS Considerations

Mia's Virtual Post Office (list@mia.net)
Tue, 17 Feb 1998 14:02:08 -0600

Jason Hatch uttered...

>
>Scott,
>
>that's what I'm looking for -- clean power. Is the smart-UPS adequate for
>that?
>
>-Jason

It should be fine, we have had no problems with our APC Smart-UPS 700
Rackmount...

1 PM2eR
1 PM3 (48)
1 CSU/DSU
24 USR Sportsters
2 Power Supplies
1 14" Monitor
1 Radius Server
And out Hub

It is at half load and lower when the monitor is off. It lasts over
20minutes which is fine for the momentary outages that we sometimes
experience. However the unit is expandable as are many in the Smart UPS
Series and can be tied to one another, or you can add battery Packs. So
if we wanted to shell out a few grand we could keep ourselves up for
24hrs +. Our 700 seems to work just fine with the generator as well.

Regards,
jer

>On Tue, 17 Feb 1998, Scott Rothgaber wrote:
>
>> On Tue, 17 Feb 1998, Jason Hatch wrote:
>>
>> > an APC Smart-UPS 1400:
>> >
>> > 4 PM2e30's (all async - I estimated 30 watts a piece (range was 20-40)
>> > 1 IRX-114 (4 sync - I estimated 40 watts)
>> > 2 USR MP/16's (at 94 watts a piece)
>> > 1 USR MP/8 (at 47 watts)
>> > 1 ISPorte 64 (64 modems -- I calculated 2A which came out to 168 watts)
>>
>> This should be fine. I've got the SU1400RM (Rack Mount) and the following
>> is plugged into it:
>>
>> CSU/DSU
>> Router
>> PM3
>> Main Server (*LOTS* of drives, etc)
>> Backup Mail Server
>> 14" Monitor
>> 17" Monitor
>> Two External Modems
>>
>> The load is in the 20% range (one light is on). Several weeks ago, we lost
>> power. After I shut down the monitors and the backup mail server, the 1400
>> ran the whole show for over two hours, while I ran to Home Depot to get a
>> generator. ;-)
>>
>> It really depends, as you said, on how much reserve time you're looking to
>> have. If you have a genuine, automatic backup generator, you don't need
>> much at all. As you said earlier, one of the main benefits is having clean
>> power while it's on.
>>
>>
>>
>
>-
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