After introducing its ePoE (extended Power over Ethernet) IP system in July of 2017, Dahua Technology has extended the ePoE technology to more products, including a full range of network cameras with a wide selection of form factors, 16/32/64 channel network recorders and 4/8/16/24 port network switches.
The Dahua ePoE IP system delivers up to 800 metres transmission between an ePoE camera and an ePoE network switch or ePoE NVR at 10 Mbps and 13 W, or 300 m at 100 Mbps and 25.5 W. It overcomes the limitation of traditional Ethernet and PoE (both restrict cable distances to 100 metres between network ports) and eliminates the need for Ethernet extension devices or additional network switches. Moreover, according to testing results, the ePoE IP system won’t increase the transmission delay or package loss rate compared to the traditional IP system.
For surveillance of large spaces such as a big warehouse, parks and outdoor parking, cameras are usually over 100 metres away from the control centre, conventional approaches, such as adding repeater devices or fibre optics increase the equipment and installation costs and create a complicated a system. The Dahua ePoE IP system, with 300-metre transmission at 100 Mbit/s via network cable and only one cable required to connect front-ends and back-ends, offers a simple, cost-effective solution.
A normal solution to migrate an alogue surveillance system to IP needs to adapt the IP video signal and RJ45 connection to coaxial cable, support the length of coaxial cable and transmit power over coaxial cable. The ePoE IP system uses PoC Extender LR1002 to connect the Ethernet port of an IP camera or network switch on the one end and the BNC connector of coaxial cable on the other. It supports up to 1 000-metre transmission over coaxial cable at 10 Mbit/s, and delivers PoE power to IP cameras.
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