[c-nsp] power requirement for sup720 migration

[Jay Ford]

On Thu, 16 Nov 2006, Affan Basalamah wrote:
> Currently we are running c6500 on :
> - 1 x Sup1A
> - 2 x X6408-GBIC
> - 1 x X6248-RJ45
> - 1 x CAC-1300
> - 1 regular fan
>
> And we want to replace Sup1A to Sup720, but we are had tight budget,
> so we are planned to replace our c6500 into :
> - 1 x Sup720
> - 2 x CAC-1300 (add another CAC-1300)
> - 1 High speed fan (replace the fan)
> - existing interfaces modules mentioned above
>
> I want to know whether it is going to work or not. Redundancy
> currently is not a concern yet.

No, that will not work.  The sup720 needs a high-speed fan.  The high-speed
fan needs at least a 2500 W power supply.  Therefore, you can't run a 6500
containing a sup720 on 1300 W power supplies, even in combined
(non-redundant) power mode.

________________________________________________________________________
Jay Ford, Network Engineering Group, Information Technology Services
University of Iowa, Iowa City, IA 52242
email: jay-ford at uiowa.edu, phone: 319-335-5555, fax: 319-335-2951