Many people have gadgets in their homes that connect to the internet, like cameras or doorbells. Some of these devices need both power and a network connection. Power Over Ethernet, or PoE, is a way ...

Ethernet is ubiquitous, fast, and simple. You only need two diffpairs (four wires) to establish a 100Mbit link, the hardware is everywhere, you can do Ethernet over long distances easily, and tons of ...