Friday, August 12, 2005

Cisco Power Calculator

My co-worker & network engineering warrior, Peter, pointed this out to me earlier today (must have a valid account on the Cisco web site to access it). Pretty cool.

Tool Overview

The Cisco® Power Calculator enables you to calculate the power supply requirements for a specific Power over Ethernet (PoE) configuration. The results will show output current, output power, and system heat dissipation. The Cisco Power Calculator supports the following Cisco product series: Cisco Catalyst® 6500, Catalyst 4500, Catalyst 3750, and Catalyst 3560 series switches, and the Cisco 7600 Series Router.

The calculator is an educational resource and a starting point in planning your power requirements; it does not provide a final power recommendation from Cisco. To determine the power requirements and software most appropriate for your company, we suggest you work with a Cisco representative, Cisco channel partner, or a solutions provider.


At Wed Jan 02, 09:20:00 PM PST, Anonymous Anonymous said...

I don't think the cal works.. my 3750g-24ps shows as only using 60 watts but putting out 205 BTU/H with no PoE devices connected. 205 BTU/H * 3.412 = 700 watts. My tests show about 30 watts of heat.

At Thu Oct 23, 12:14:00 AM PDT, Anonymous Anonymous said...

Its wrong
so 205btu/h= 205 / 3.413 = 60wat


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