How are IP CCTV cameras powered? - IP CCTV System FAQ | KT India
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FAQ

How are IP CCTV cameras powered?

Answer:
IP CCTV cameras can be powered using different methods. The most common method is through a separate power supply connected to the camera. Additionally, many IP cameras support Power over Ethernet (PoE) technology, which allows power to be delivered through the Ethernet cable from a PoE switch or injector.