| 摘要 |
[Problem] To provide a monitoring system which, with a low cost configuration, allows for easy handling and higher versatility, and can reliably detect the abnormality of a power supply unit in a recording device. [Solution] Provided is a monitoring system (S) which monitors the state of a storage device (2) that acquires and stores an image signal from a security camera (1), said monitoring system (S) being provided with a dongle (4) which receives power from a power supply unit (23) provided in the storage device (2) when the dongle is inserted into a USB port (24) formed in the storage device (2) while the power supply unit (23) is supplying the storage device body with power, and a monitoring device (3) for monitoring the state of the storage device by detecting the state of power supplied to the dongle (4) to determine the presence or absence of power being supplied to the storage device body from the power supply unit (23). |
