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Application of Video Intercom System Based on Ethernet

July 11, 2023

At present, IT technology has been deeply integrated with the community security system. This article will introduce the application of Shidean2000 video intercom system of Shidean brand bus control mode plus TCP / IP network of Anglo-Grand company in large long-distance communities. , projection and TCP / IP access control system a common Ethernet, reduce engineering costs.

Features of modern high-end real estate:

At present, the size of the community is getting larger and larger. They often occupy a large area, high floors, many households, many landscapes, complex wiring, long distances, many entrances and exits. Developers pay more attention to the stability and cost of the system. The Shidean2000 system just solved the above problems. The following is a detailed introduction of our company's system in a Hangzhou community. Fengya Qiantang is located in the administrative center area of Binjiang District. It covers an area of 161 acres, with a total construction area of more than 320,000 square meters and a total number of 2128 households. Among them, the first phase is 829 households and 14 units, all of which are about 18 stories high-rise, the second phase 1299 households, 14 units are the high-rise of about 31 floors, require household color video intercom access control network system.

System Components:

The 980 system bus control mode is used in the unit. The indoor extension is the latest 5.6-inch ultra-thin 980RY36 series visual extension. Each layer is equipped with a protector to make the system more stable. The converter converts the intra-unit bus into a community networking bus system. The intercom server converts the community networking bus into a TCP / IP signal. The management center is replaced by a multimedia computer. All operations of the administrator are completed on the computer. The management center computer is directly connected to the Ethernet network through a network switch.

The schematic diagram is as follows:


The entry line and the trunk line are 6-core lines plus video, and the network bus is 4-core plus video (in this case, from the converter to the video intercom server); from the video intercom server to the center It is a 4-core single-mode fiber. The video intercom system and the access control system share an Ethernet network-the video intercom server and the access control server share a network switch and optical fiber transceiver, and the five types of network cables directly go to the total network switch of the management center.

System Features:

The cell is roughly rectangular, and the control center is in the center of the entire cell, so the Ethernet network is connected in parallel: multiple units use a video intercom server, which is small (180MMX160MMX30MM) and comes with an IP address, Standard RJ45 interface, each video intercom server is equipped with a network switch, each unit of the access control system also adopts the traditional 485 plus TCP / IP server method, the intercom and access control server comes out of the standard TCP / The IP signal and RJ45 interface do not have the problems of compatibility and interference between the intercom and access control in the past, and the traffic bandwidth is also sufficient.

Conclusion:

Using digital signal transmission, no signal attenuation (no signal amplification required), strong anti-interference ability, it should be transmitted over a long distance, up to 100 meters when using Category 5 cable, fiber transmission ≥30KM, audio and video control shared network, simple network wiring, The line has strong reliability, and multiple channels can be independently transmitted to solve the busy problem.


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Ms. Natelie

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