| 摘要 |
PROBLEM TO BE SOLVED: To provide a security terminal device for avoiding its breakdown being installed at a part to be guarded by lightning surge or the like. SOLUTION: A security terminal device 1 performs detection with a sensor 2, receives an operation power supply from a power supply device 9, and transmits a security signal to a security center 8 via a line L. The security center 8 controls a switching part 10 of an AC power supply 11 or a built-in battery 12 for the power supply device 9 via the line L based on thunder information according to weather information or the like. A state recognition part 7 recognizes the state of the switching part 10 and reports it to the security center 8. |
