Buy a PoE router or switch, plug in a cable, and away you go! But what lies behind PoE, and how does it work? [Alan] has written a comprehensive guide, based on experience working with the technology.

You might think that this also means two cables, a beefy one to carry the current needed to run the thing, and thin little twisted pairs for the data. But no! Power over Ethernet (PoE) allows you ...

A device that adds power to an Ethernet cable for Power over Ethernet (PoE) equipment. Although Ethernet switches are available with PoE capability, millions of regular "non-PoE" switches are in ...