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Power Over Ethernet Interoperability Guide by Sanjaya Maniktala

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A Brief History of Ethernet
Ether Network, Ether Net, EtherNet, Xerox Wire, X-wire … That’s what modern Ethernet almost got called. And had it, very likely it could have ended up in our collective memories (and Wikipedia) today as the “the now-defunct proprietary networking technology from Xerox Corporation.” In fact, even the term “Ethernet” was originally a registered trademark of Xerox Corp. Fortunately for all of us, and perhaps even for Xerox, Xerox got talked out of all its rights on this subject by Robert Metcalfe himself and agreed to work with Digital Equipment Corporation (DEC) and Intel to spread its version of networking technology far and wide. Shortly thereafter in 1979 Metcalfe founded 3-Com Corp (last acquired by Hewlett Packard ...

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