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Power over Ethernet (PoE) technology provides a means to transmit electrical power, along with data, to remote devices such as Wireless LAN (WLAN) Access Points (APs) over an unmodified Ethernet network. One of the primary benefits of PoE, as it relates to wireless LAN deployments, is negating the need for AC power in the ceiling, thus simplifying and reducing the cost of wireless deployments. With the emergence of the 802.11n WiFi standard and the bandwidth/coverage improvements 802.11n solutions deliver, however, a new power paradigm is emerging. As a result, one of the challenges product vendors are encountering is how to deliver "Full feature" solutions within the current 802.3af power standard.
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