Re: PoE Calculations

110 vs 220 has got nothing to do with the wattage (which is what you are after )

The US is 110V while the rest of the world runs 220V (over simplifying)

You need to get a higher wattage PSU.

CCIE # 23962 (SP)

Sent from my iPhone

On 04 Nov 2012, at 7:35 PM, Cisco Fanatic <ebay_products_at_hotmail.com> wrote:

> We have a Cisco 4506 with Supervisor 6-E. We plan on replacing the existing 4
> line cards with
> WS-X4548-GB-RJ45V48 port 10/100/1000 BaseT with IEEE 802.3af PoE
> to support Cisco 7945G IP phones. We currently have 1000W power supply.
> DC1050-4506-SW1#sh powerPower Fan
> InlineSupply Model No Type Status Sensor Status------
> ---------------- --------- ----------- ------- -------PS1
> PWR-C45-1000AC AC 1000W good good n.a.PS2 PWR-C45-1000AC
> AC 1000W good good n.a.
> Power supplies needed by system : 1Power supplies currently available : 2
> Power Summary Maximum (in Watts) Used
> Available---------------------- ---- ---------System Power (12V)
> 430 1050Inline Power (-50V) 0 0Backplane Power (3.3V)
> 0 40---------------------- ---- ---------Total
> 430 1090
> What is the recommended power supply for this configuration?Should we go with
> 110V or 220V is a discussion point?
>
>
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Received on Sun Nov 04 2012 - 20:06:18 ART