| 摘要 |
PROBLEM TO BE SOLVED: To propose a fire alarm system with test functions, enabling a tester to perform operation confirmation tests of a house information board in each dwelling house from a constant position, without having to go out of respective dwelling house. SOLUTION: This system comprises at least an alarm-monitoring integrated board 1 with a transmission line L1 for transmitting a control signal and a conversation signal, and a house information board 2 set within a dwelling house, connected to a fire sensor 3 through a sensor line L2 and connected to the transmission line L1. The alarm monitoring integrated board 1 comprises a house information board remote testing circuit 17, designating the house information board 2 and transmitting at least a test signal with a designated address through the transmission line L1. The house information board 2 returns, upon the receipt of the test signal through the transmission line L1, a preliminarily prepared operation confirmation signal to the board 1 through the transmission line L1. COPYRIGHT: (C)2007,JPO&INPIT
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