These days, most people use their Ethernet port to plug their router into their computer ... off and turning on devices without multiple cables running like you would need with an AC-brick-powered ...

These cables have RJ45 connectors on each end, which are designed to plug into Ethernet ports. Ethernet ports are found on ...

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 ...