A device that adds power to an Ethernet cable for Power over ... PoE" switches are in use and continue to be installed. A PoE injector is also called a "PoE adapter." See PoE.

The IFS Power over Ethernet Injector is a quick and easy solution that can be used when a network device does not provide the functionality as a power source equipment (PSE), such as a non-PoE switch, ...

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 ...

Once the cable is in place, connect it to a PoE injector or switch. I prefer a switch as it provides a central point of power and isn't exclusive to PoE devices-you can use it to connect to ...

VIVOTEK AW-GET-050A-065 unmanaged PoE switch VIVOTEK AW-FGT-100B-120 unmanaged PoE switch ... Vivotek AW-GEV-264A-185 layer 2 managed PoE switch Vivotek AP-GIC-010A-060 PoE injector Vivotek ...