RE: Power Calculation Enquiry

Sounds like you are looking at a DC Power Supply. While holding an AC Power
Supply. The 6000W AC Power Supply has 2 Inputs. Need to rerun your
calculations with the proper equipment.

--
http://dcp.dcptech.com
> -----Original Message-----
> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
> karim jamali
> Sent: Saturday, August 21, 2010 2:12 PM
> To: Cisco certification
> Subject: OT:Power Calculation Enquiry
> 
> Dear Experts,
> 
> Regarding the power calculation for a Cisco 6509 switch I am doing, I
> noticed that the current it requires is 44 A. However as per my
> knowledge
> both power supplies work in redundant mode, thus each power supply
> should
> have an input current of 44 A. If changing to combined mode then both
> power
> supplies will intake a total current of 44 A. However on the core
> switch
> there are two power plugs connecting into one power supply, are these
> redundant/combined, i.e. do I have to assume that each power cable will
> have
> an input current of 22A so that one power supply gets the 44 A ?
> 
> Thank You
> 
> --
> KJ
> 
> 
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