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Cisco Inline power vs. 802.3af power

I was wondering what the difference between 802.3af power and Cisco Inline power is? Specifically I am using the mid-span patch panels from Powerdsine and when I connect to an IP Phone I need to use the special dongle and I am wondering what that dongle does to the power from the patch panel so that the IP phone can use it.

Thanks.

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Re: Cisco Inline power vs. 802.3af power

Cisco IP Phones currently support only Cisco inline power. When the 802.3af draft becomes a

standard, Cisco IP phones will support both 802.3af inline power and Cisco inline power.

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