See one power-over-Ethernet product and you’ve seen ‘em all, right? Not quite. Here is a Tycon Passive PoE injector teardown.

It’s also ridiculously cheap, with a PoE injector adapter (RJ-45 plug & 2.1×5.5 mm power jack to RJ-45 jack) going for about 80 cents, and a DC-DC buck converter that can handle the input of ...

A PoE injector is also called a "PoE adapter." See PoE. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.