What wattage power supply should you buy with a Cisco WS-C4510R-E

Dragon0x40
Dragon0x40 used Ask the Experts™
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If you purchase a WS-C4510R-E chassis what wattage power supply should you buy?

Not sure if you can always determine future growth but why not buy the most powerful so later if needed you can popuate all 10 slots.
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I wouldn't bother going too high unless you're planning on populating the majority switch with POE devices. The higher the wattage, the higher the draw, the higher the cost of running it and cooling it.
Don JohnstonInstructor
Top Expert 2015
Commented:
I would use the Cisco power calculator. Load it up with everything that you think you'll need.

http://tools.cisco.com/cpc/launch.jsp

Author

Commented:
I only have guest access so I can't access the power calculator.

I would like to get more access as my company buys a lot of Cisco gear but I am not sure how to request it.

Does a PWR-C45-4200ACV allow 110 and 220 vac power outlets?

Does using 110vac require a special cord or adapter?
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Don JohnstonInstructor
Top Expert 2015
Commented:
>Does a PWR-C45-4200ACV allow 110 and 220 vac power outlets?

Yes

>Does using 110vac require a special cord or adapter?

No

Author

Commented:
Each of the power supplies have two ac outlets but I have seen where only one is actullay connected to an ac powr outlet.

Is one ac power cable enough and is the other one just  a redundant cable and power source?
Don JohnstonInstructor
Top Expert 2015
Commented:
No. In order to have 4200w output, both supply cables must be connected and they must be connected to a 220v source.

If you are only using 110V source, the output will be halved.

http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps4324/prod_bulletin0900aecd802d5351.html

Author

Commented:
Great link that had everything that I wanted to know.

"Dual input" is the feature that I needed to search for but you knew that :)

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