What is the principle of intercom system?

What is the principle of the intercom system?

The intercom system is a dialogue system between residents and outside visitors in residential communities. It is of great significance to the standardized management of the community and the safety of the community. With the improvement of residents' living standards, community management has become more standardized and rigorous. The community intercom system can fully improve the simplicity and convenience of management. At the same time, the pace of residents’ lives is accelerating, and the time spent visiting relatives and friends is reduced. The intercom system can fully play an important role in security prevention.

Working Principle

The building intercom system is mainly composed of a digital networked door host, a color visual internal extension, a floor controller, a unit network controller, and a community network control It consists of several parts, including the controller, system power supply, intercom access control machine and network management center machine.

Each user extension in the building is connected to the floor controller by a 5-core shielded data cable and a video coaxial cable. The floor controller is connected to the digital network by a 5-core shielded cable and a video coaxial cable. The door host and the digital networked door host are connected to the community network controller through a 5-core shielded cable and a video coaxial cable. The community network controller and the community center administrator computer are connected by a 5-core shielded cable and a video coaxial cable. network connection.

The system realizes the communication and unlocking functions between users and visitors at the door through the Internet network, and realizes the communication function between users and the management office. Each building is equipped with a unit door phone. When a visitor presses the corresponding room number of the resident, the visited resident can see the visitor's face on the monitor of the indoor extension and press the "intercom" button at the same time. Make hands-free calls with visitors. If you press the unlock button, you can open the electric lock at the door. The intercom operation is carried out in a hands-free manner, with easy operation and clear sound quality.

The residential building park where the building intercom system is installed has a management center and a controller, so that the direct communication between residents and visitors becomes a three-way communication between residents, management center and visitors. Adding the management center controller to the building video intercom monitoring system is equivalent to enhancing the system's security prevention capabilities and further improving the property management department's comprehensive management capabilities for residential communities. Realize the function of the community management machine to call any building management machine and any extension and talk with them. At the same time, any extension can alarm to the community management machine, and the community management machine can display the building number and room number of the alarming extension.

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