What call elevator five square talk

The simple talk between the five parties refers to the communication between the five parties in the elevator intercom system, including the main control room, elevator car, elevator machine room, elevator top and elevator bottom pit. The elevator five party intercom system is suitable for community property, elevator monitoring, elevator intercom, etc. It has the characteristics of quick installation, simple operation, quick response and clear sound quality. General analog and digital, analog intercom can only achieve one-way call, and digital intercom is currently the most used in the elevator industry, with interactive call features, anti-interference, simple wiring and installation. The installation and configuration of the whole system can be realized by simple ordinary 2 core enamelled wire.