[c-nsp] Cisco Catalyst 6509-E 4000w P/S

[Tony Varriale]

Wow that's amazing.  I think that's outside the normal auto-detect range 
too!

tv
----- Original Message ----- 
From: "Pete Templin" <petelists at templin.org>
To: "Terry Rupeni" <rupeni_t at usp.ac.fj>
Cc: <cisco-nsp at puck.nether.net>
Sent: Wednesday, December 29, 2010 9:25 PM
Subject: Re: [c-nsp] Cisco Catalyst 6509-E 4000w P/S


> On 12/29/10 5:14 PM, Terry Rupeni wrote:
>> Hi All,
>>
>> We just bought a new 6509-E with 4000w P/S. The specs say it requires a 
>> 23
>> A/240V Input is this the max input current permissible? We have an 
>> existing
>> 6KVA UPS with output of 16A max. I've used the Cisco Power Calculator and
>> with all the current cards install it will use a max of 1800w way below 
>> the
>> 4000w mark. Can I go ahead and use this 16A UPS to power on the our Cisco
>> 6509-E or do I need a 23A/240V Input?
>
> The 4k PS requires a high range input, 170-264V I believe.  If you feed it 
> high-range voltage, it'll pull the current necessary to run your system. 
> If 16A is sufficient at the voltage you're feeding it, rock on. If 16A is 
> insufficient, you'll have issues.
>
> That said, I just witnessed an install two weeks ago where the building 
> electrical was corroded (or worse), and the brand new UPS was only seeing 
> 89V across a 240V feed.  The old UPS was so dead it was in hardware 
> bypass, yet the 4kw PSes had been running like champs.
>
> pt
>
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