APARTMENT HOUSE MONITORING CALL SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide an apartment house monitoring/call system which can take in input signals from respective units without installing a private unit for each of multiple units. SOLUTION: A signal input unit 1 to which plural warning units 6, 7 and 8 are connected is connected to a signal line L connecting house interphones 3 installed in respective houses and a warning monitoring board 2. The signal input unit 1 is provided with a discrimination means 10 discriminating from which warning unit 6, 7 or 8 a signal is inputted when the signal is inputted and a signal transmission/reception circuit 13 sending the signal corresponding to the discrimination result of the discrimination means 10 to the warning monitoring board 2 through a signal line L.