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Power over Ethernet (PoE) describes any of several standards or ad hoc systems that pass electric power along with data on twisted-pair Ethernet cabling. This allows a single cable to provide both a data connection and enough electricity to power networked devices such as wireless access points (WAPs), IP cameras and VoIP phones.
The first centralized IP camera, the AXIS Neteye 200, was released in 1996 by Axis Communications. [3] Although the product was advertised to be accessible from anywhere with an internet connection, [4] the camera was not capable of streaming real-time video, and was limited to returning a single image for each request in the Common Intermediate Format (CIF).
IP PTZ Camera: Internet Protocol (IP) pan-tilt-zoom cameras are preferable to wired analog models for a number of reasons. PoE PTZ Camera: A PoE ( power over Ethernet ) PTZ camera may be powered and connected to the internet with a single Ethernet cable , eliminating the need for additional wiring.
Key components of IP-based CCTV remain consistent with analog technologies: image capture, with a combination of IP-based cameras or analog cameras using IP-based encoders; image transmission; Storage and Retrieval, which uses technologies such as RAID arrays and iSCSI for recorded and indexed video; and video management, which affords web ...
Such devices, for example IP cameras and IP phones, are sometimes powered via their network cable with power over Ethernet (PoE). A network bridge binds two different network interfaces to each other, often in order to grant a wired-only device access to a wireless network medium.
The first IP camera was released in 1996 by Axis Communications, but IP cameras did not arrive in South Africa until 2008. [126] To regulate the number of suppliers in 2001, the Private Security Industry Regulation Act was passed requiring all security companies to be registered with the Private Security Industry Regulatory Authority (PSIRA ...
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