Additional switches become automatic Ethernet boosters, as every transmitted output gets power from the AC outlet the switch is plugged into. Regular Ethernet switches transmit data signals only ...

In a similar vein, we’ll have used power over Ethernet, or PoE, to power devices such as webcams. Buy a PoE router or switch, plug in a cable, and away you go! But what lies behind PoE ...

Whenever you see a box with a few Ethernet ... take a low-power PC, put a Linux OS onto it, set up a DHCP server and packet forwarding script of some sort, and add a switch for anything you ...