HOUSE INFORMATION PANEL, POWER SUPPLY DEVICE AND INTERPHONE DEVICE FOR APARTMENT HOUSE

摘要

PROBLEM TO BE SOLVED: To enable flexible adaptation to various apartment houses from a large-scale house to a small-scale house when an interphone device for an apartment house is constructed by using house information panels having the same construction each of which is provided with a terminal table for connecting a speech signal line and a power supply line.SOLUTION: A house information panel 10 is provided with a connection terminal of a power supply line LP to which power is supplied from a slave side, and is provided with a connection terminal. The house information panel is configured to be freely detachably integrated with a power supply device 20 for supplying power to the house information panel 10.