RE: Power Calculation Enquiry

The very first item after selecting product is to select type of power
input. You need to select 220V AC.

--
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 2:40 PM
> To: David Prall; Cisco certification
> Subject: Re: Power Calculation Enquiry
> 
> Hi David,
> 
> Can you guide me how to do it..I have tried the power calculator but
> don't
> seem to get it..It only has value @ 42 V for some reason I don't know.
> I
> have a 6509 with around 4-5 modules and I need to know the input
> current
> that it will draw based on an AC power supply.
> 
> Thanks
> 
> On Sat, Aug 21, 2010 at 9:25 PM, David Prall <dcp_at_dcptech.com> wrote:
> 
> > 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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> > >
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> > >
> >
> >
> >
> 
> 
> --
> KJ
> 
> 
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