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Power over Ethernet Slide 3
In 1999, the IEEE (Institute of Electrical and Electronics Engineers) began developing the 802.3af standard, which defined the transmission of Power over Ethernet. The standard was designed to address the need for interoperability among a growing number of proprietary methods for distributing DC power to network devices. Since acceptance of the IEEE802.3af standard in 2003, PoE equipment vendors have been designing standards-based products.
PTM Published on: 2011-12-12