TELEPHONE SET CONNECTING APPARATUS

PROBLEM TO BE SOLVED: To provide a telephone set connecting apparatus used for enabling usage of telephone sets at a plurality of points in a house, which can corresponds to any connection modes of directly connecting a telephone set to a protector and connecting it via a splitter and/or a security device, and can easily conduct a connection change work. SOLUTION: The connecting apparatus is provided with a plurality of extension connection ports 11b which are mutually connected; an outside line connection port 11a to be connected to a public communication line; a connection port 11aA for outside line cascade device which is connected to the outside line connection port using an internal wiring 12a; a connection line 21 for connecting the extension line connection ports to the outside line connection port; and an opening/closing switch 20 for breaking the connection line. A preferable structure is provided with a connection port 11cA for extension cascade device; and a second port 11cB for outside line cascade device which is connected to the connection port for extension cascade device by the internal wiring 12c. COPYRIGHT: (C)2007,JPO&INPIT