PoE IP cameras, namely Power over Ethernet cameras, refers to the ones that get power and transmit videos through only one Ethernet cable (Cat5, 5e,6 cables, etc). And PoE for IP camera means NO extra power cable is needed. So as long as you have a POE injected cable to run to the camera, you can just plug the other end into a router, and then the PoE IP camera will work. Using PoE for IP cameras, simple setup and good security could be achieved at the same time! But oftentimes the PoE IP camera switch or injector will be brought up with the PoE IP camera.
Both PoE IP camera switch and injector, simply put, help you to connect your PoE CCTV camera with the non-PoE router for power and network connection. And their difference is that the PoE injector has only one port and can only support one PoE security camera. See the PoE IP camera wiring diagram below
Another good use of the PoE switch and injector is that they can make the PoE security camera system wiring even easier. For example, if you want to put several PoE IP cameras outside the sheds or huts and locate your NVR in your main house, then you can simply connect all PoE surveillance cameras with the PoE switch, which usually comes with 4 or 8 ports, and then run a single switch cable back to the NVR.
- Cat 5 or Cat 6
- Category 5 cable, also known as Cat 5, is a type of Ethernet network cable used to transmit video signal and supply power to network IP cameras. Cat 5, Cat 5e, and Cat 6 are different Ethernet cable standards supporting different internet speed, bandwidth and transmitting distance.
Despite the differences, all Ethernet cables Cat 5 and Cat 6 are plugged into the same network port.
- Cat 5 or Cat 6 security cameras are commonly known as PoE (power over Ethernet) IP cameras, or Ethernet security cameras, which only need single Ethernet network cable (Cat 5 or Cat 6 cable) to transmit data and power to cameras/systems. Many PoE camera users agree that the Cat 5 Ethernet cable is sufficient enough to power the majority of IP security cameras. Of course, Cat 6 Ethernet cableis the much more future-proof and would be more advanced than Cat 5 or Cat 5e in terms of stability and speed.
Cat 5/Cat 6 PoE cameras are first plugged into a PoE switch/PoE injector or network video recorder (NVR) with PoE ports and a network router, and then the security camera will be up and running.
PoE cameras/systems are the plug-and-play type with minimal wiring hassles as it can transmit data and power with ONE single Ethernet cable, eliminating tangled cords and simplifying wiring around the house.
To get a better idea, the Ethernet IP security camera wiring diagram is shown below