[c-nsp] pop site battery backup recommendations

[Jeff Wojciechowski]

May I ask what the brand of ATS that shorted out? We just ordered our first ATSs yesterday to help with some internal system redundancies yesterday.

Thanks,

-Jeff


-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Seth Mattinen
Sent: Friday, July 23, 2010 1:03 AM
To: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] pop site battery backup recommendations

On 7/22/10 10:11 PM, Joe Maimon wrote:
>
>
> Mike wrote:
>> Howdy,
>>
>> This isn't exactly cisco-centric, but it's certainly related
>> operationally.
>>
>> I operate a county wide isp network and I have about 15 different pops.
>> I equip each with APC700/1400's and with XR battery packs, with the
>> goal being around 8 hours of runtime in the event of a power failure.
>> I also aggressively monitor batteries and have situational awareness
>> regarding the self test status, maintenance status, and during ac
>> power failures whats up and down and how much runtime the pops have and so forth.
>>
>> Over the last 8 years I have been doing this, the single greatest
>> source of pop site outages, has been the battery backup units
>> themselves. I have experienced multiple repeated failures involving
>> the SNMP management cards that have:
>
> I would suppose that the best way to work around a UPS being a single
> point of failure would be to use an ATS behind it. Of course, now that
> ATS is the spof.
>
> Everything installable in a pop should ideally come with dual PS.
>

I've had an ATS short out on me twice, so now I just stick with parallel/redundant UPS systems.

~Seth
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