INTERCOM UNIT AND MONITOR TELEVISION UNIT

摘要

PROBLEM TO BE SOLVED: To unnecessitate an additional wiring construction and to improve beautiful appearance even when adding a monitor television unit by providing a video signal input terminal for connecting a video signal line introduced from a wall surface or the like and a video signal output terminal through- connected to this video signal input terminal for outputting a video signal to the monitor television unit. SOLUTION: An intercom unit 1 introduces not only a control signal line L1 and a speech signal line L2 but also a video signal line L3 from the wall surface or the like through a brancher D. Therefore, concerning the intercom unit 1, not only a control signal input terminal 1a and a speech signal input terminal Lb corresponding to the control signal line L1 and the speech signal line L2 but also a video signal input terminal 2a corresponding to the video signal line L3 are continuously provided on a base panel 1p and the respective signal lines L1, L2 and L3 are connected. The base panel 1p is installed on the bottom of a casing 1o for housing the entire intercom unit 1.