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Shenzhen Changhong Microelectronics Co.,Ltd

The advantage of NVR

NVR (Network Video Recorders) is an Internet Protocol (Internet Protocol).

The basic network equipment, NVR related functions are all based on the IP architecture. Therefore, it can be remotely managed through the LAN or WAN. It has considerable flexibility in constructing a network video surveillance system, and the basic functions of the NVR are simultaneously The remote access and recording of the video stream captured by the IP camera or DVS is an easy-to-use, easy-to-install feature that is widely favored by the security industry.

Compared with the solution using PC server + IP-SAN, NVR adopts embedded system architecture, which inherits the advantages of Linux or embedded system in system operation and maintenance stability, and the performance of stability and system operation and maintenance cost is more Good, with a simple architecture and low equipment cost, to create a monitoring architecture that does not lose to a professional server. In the video channel limit, when a group of NVRs support a limited number of video channels, you can use multiple NVRs instead. The way of architecture is to achieve the system service energy required by the network video surveillance system.

Although the PC server + IP-SAN solution can meet all NVR application requirements through the software architecture, the dedicated software is expensive, and the system debugging and later operation and maintenance costs are relatively high. The monitoring system core monitoring data is all stored in a single PC server. The risk is relatively high. Even if the system service energy of the PC server is more advantageous than the individual NVR, the security monitoring system architecture set by the multi-group NVR will not be lost to the server + IP-SAN architecture. In addition, the NVR's architecture is flexible, simple to set up and built-in dedicated system. In terms of flexibility, cost and efficiency, as long as the architecture is properly set, the system benefits will be higher than the dedicated PC server + IP-SAN solution.

In the current security industry, the new generation of NVR hardware architecture has evolved toward an open platform system. This kind of NVR system platform allows users to construct various professional video recording or monitoring software on the NVR. Most NVRs will adopt strategies to support Windows or Linux systems to increase the future expansion flexibility of the system. The hardware appearance should be co-constructed with the information room. The integrated market trend adopts the common 1U-size rack-mount design architecture of the general information server, which makes it easier for managers to integrate security with the established information system network.

A new generation of NVR devices, based on the support advantages of open systems, and fewer restrictions on their connected dedicated hardware (IP-Camera/DVS/DVR), so their system maintenance costs can be maintained at a relatively low level. Level.

In terms of hardware architecture requirements, NVRs also have built-in hard disk temperature protection mechanism and UPS uninterruptible power system integration. In order to provide architectural integration flexibility, the NVR integrates Power over Ethernet (PoE) function mechanism is also the key to the convenience of future architecture systems. . The unique application functions planned by the embedded NVR are basically not limited by the PC terminal equipment, but can provide system-level protection measures in the face of hardware failure or illegal intrusion of the NVR.

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