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Advantages Of NVR Compared To DVR

First, flexible deployment

Due to the fully networked architecture, the monitoring point device and the NVR can be interconnected through any IP network. Therefore, in the NVR system, the monitoring point can be located anywhere in the network and can be quickly deployed without geographical restrictions.

In the DVR system, the monitoring point and the central DVR are connected by analog mode. Due to the transmission distance and the loss of the analog signal, the location of the monitoring point has great limitations and cannot be deployed remotely.

Second, convenient wiring, low cost

At the central point: the NVR only needs to connect one network cable to complete the wiring and installation, and realize the access of all monitoring signals of all monitoring points; and the DVR needs to provide multiple routes for video, audio, control and alarm for each monitoring point. cable. Therefore, the NVR is very simple and convenient in central wiring and maintenance.

Monitoring point: The monitoring points of the NVR system are all IP front ends, so only one network cable can be used to complete the wiring, and the NVR is accessed through the IP network; the front end of the DVR system is an analog device, and each monitoring front end to the center Multiple signal cables such as video, audio, control, and alarms are required. Therefore, the front-end wiring of the NVR system is very simple, and the wiring cost is very low, and the existing network can be used.

With POE technology, the IP front-end equipment in the NVR system can also be powered via Ethernet, and the power supply signal can be output through the IP front-end to power other peripheral devices, which further simplifies wiring. The front end of the DVR system must be powered separately and cannot be powered by POE.

For monitoring points that are not convenient for wiring, the wireless IP front-end can realize wireless transmission of monitoring signals without wiring. The front end of the DVR system is an analog device and cannot be deployed wirelessly.

Third, the installation is simple

An important advantage of DVRs attracting engineers is that the installation setup is simple and requires no complicated configuration. NVR also has this advantage and is more convenient.

The central NVR device and the remote monitoring point IP front-end device only need to plug in the Internet cable and turn on the power. All the processes can be completed automatically, including automatically searching all front-end devices, automatically assigning IP addresses to the front-end devices, and using the NVR external display device. Automatic multi-screen display of all monitoring point images.

Therefore, the NVR innovation realizes the plug-and-play of the network video monitoring system in the installation settings. Engineers and users do not have to worry about the difficulty of installing and deploying networked monitoring.

1) Connect the Internet cable and turn on the power

2) Automatically search all IP front-end devices and dynamically assign IP addresses

3) Automatically complete local multi-screen display of all front ends

Fourth, flexible and reliable storage

DVR's convenient video storage is also a major feature attracting engineering companies. NVR also has highly integrated and convenient video storage features, which can be used for centralized storage through local hard disks, and can meet massive storage requirements through external storage devices.

Furthermore, the NVR system can also provide more flexible storage methods by deploying IP front-end devices that support front-end storage, and can implement backup of front-end storage and central storage to meet the demanding application requirements for storage reliability. The front end in the DVR system is an analog device, which cannot implement front-end storage.

Five, security encryption

Many people find that network video surveillance systems are not secure. In fact, NVRs are more secure than DVRs. In the NVR system, the IP front end can perform AES encryption on the code stream when uploading the code stream, and cannot be decoded even if it is intercepted on the network. The analog video and audio signals uploaded by the DVR front end do not have any encryption mechanism, so they can be intercepted and displayed easily. In addition, through the carrier-level user authorization and authentication mechanism, the NVR can effectively prevent illegal users from logging into the system.

Six, easy to use, easy to operate

Another feature of DVR attracting engineers is that they are easy to use and operate. The NVR also has very simple and convenient use and operation characteristics, and the engineer does not need to worry about the operation and use of the network monitoring.

NVR local operation: The NVR can be operated locally through remote control, mouse, monitoring and monitoring, etc. at the central point. The NVR can directly connect the display device to implement localization operation and management interface.

NVR remote operation: Remote clients can access any monitoring content through the network, including real-time browsing, video return visit and monitoring point camera PTZ control, using a simple and clear IE browser or NVR client software.

Seven, full management, centralized maintenance

In the DVR system, the center to the front end are analog transmissions, and real-time monitoring and centralized management of transmission lines and front-end equipment cannot be realized. The NVR adopts network-wide management, which enables full-range monitoring and centralized management of transmission lines, transmission networks, and all IP front-ends. The status and parameters can be viewed at the center and maintenance is extremely convenient.


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