CONTROLLER OF MULTIPLE DWELLING HOUSE INTERCOM SYSTEM, AND RENEWAL METHOD OF MULTIPLE DWELLING HOUSE INTERCOM SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a controller capable of calling either new or old living room master unit from one main entrance unit and performing speech communication.;SOLUTION: The controller includes an FROM 41 storing the ID information of a communicable new living room master unit 2, and an adapter 4b for mutually converting the communication protocol of an old system and the communication protocol of a new system and executing communication with an old controller. When the communicable new living room master unit 2 is added, a controller CPU 42 adds the ID information to the FROM 41, receives a calling signal from a new main entrance set 1, selects a calling signal transmission destination to determine whether to call the new living room master unit 2 or to call an old living room master unit by referring to the information in the FROM 41, and when calling the living room master unit not registered in the FROM 41, executes communication with the old controller through the adapter 4b, and transmits the calling signal to the old living room master unit.;COPYRIGHT: (C)2011,JPO&INPIT