How the intercom system works

The Intercom System is a kind of intercom function realized by using the data channel of the GSM or CDMA network. It is a half-duplex cluster communication method that can realize the "one-to-one" and "one-to-many" functions. It can be applied to industries such as city, transportation, railway and logistics dispatching.

working principle

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 networking door host by a 5-core shielded cable and a video coaxial cable, digital networking The door host and the community networking controller are connected by a 5-core shielded cable and a video coaxial cable. The community networking controller and the community center manager use a 5-core shielded cable and a video coaxial network connection.

The system realizes the call and unlock function between the user and the visitor through the networked network, and the call function between the user and the management office. Each building is equipped with a unit door phone. When the visitor presses the corresponding room number of the resident, the resident can see the appearance of the visitor from the monitor of the indoor extension, and can also press the "Intercom" button To talk hands-free with visitors, if you press the unlock button, you can open the electric lock at the gate. The intercom action is carried out in a hands-free manner, with easy operation and clear sound quality.

The building intercom system is mainly composed of digital network door host, color visual extension, floor controller, unit network controller, community network controller, system power supply, intercom access control machine and network management center machine.

The residential building park where the building intercom system is installed has a management center, and a controller is installed, so that the direct communication between the residents and the visitors becomes the three-way communication between the residents and the management center and the visitors. Adding the management center controller to the building video intercom monitoring system is equivalent to enhancing the system's security precautions and further improving the comprehensive management capabilities of the property management department for residential communities. Realize the function of community management machine calling any building management machine and any extension and talking with it. 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 alarm extension.

The intercom system is a dialogue system between the residents of the residential area and foreign visitors, which is of great significance to the standardized management of the community and the security of the community. With the improvement of residents' living standards, the management of the community is becoming more and more standardized and rigorous. The community intercom system can fully improve the simplicity and convenience of management. At the same time, the pace of life of residents is accelerating, the time for mutual visits between relatives and friends is reduced, and the intercom system can give full play to the important role of security.