How to use Power over Ethernet (PoE) with a GigE camera?
Passive PoE Injector Cable Set : ID 435 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Power over Ethernet (PoE): Power from the network
Amazon.com: Amcrest CAT6E 4K-Rated Video POE Ethernet Cable 100ft Internet High Speed Network Cable for PoE Security IP Cameras, Smart TV, PS4, Xbox One, Router, Laptop, Computer, Home (CAT6ECABLE100) : Electronics
PoE cables] Does all Ethernet cables support PoE? – VIVOTEK Support Center