If you want to break things down into more detail, there is an FAQ below the main list, but the main thing to be mindful of is that this list covers systems – with drives and power boxes – and separate cameras.
That’s why a lot of security camera systems are actually low-spec computers built with slightly different priorities when it comes to the ports (quite a lot of LAN sockets for the cameras, VGA or HDMI for the display, and a hard drive, but not too much else). An Ethernet cable can carry enough power to operate a surveillance camera and it goes without saying that handling a digital video via network is no problem. The range is limited only by the cable and not thick walls blocking Wi-Fi.
PoE technology is simpler than older “Siamese cables,” while avoiding the need for regular battery charging.
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