| 摘要 |
<p>PROBLEM TO BE SOLVED: To control remotely power on/off of each terminal equipment from a host device without considerable revision of an existing system by providing a terminal power supply controller provided with a relay switch, a signal detection circuit and a reception timer one to one to each terminal equipment. SOLUTION: A signal from a line concentrator via a concentrator side line is given from a concentrator side connector 11 to a receiver 17 of a signal detection circuit 21 in a terminal power supply controller 10 provided one to one to each terminal equipment. An output signal of the receiver 17 is reproduced and given to the terminal equipment through a terminal equipment side line from a terminal equipment side connector 12. Furthermore, an output signal of the receiver 17 is given to a reception timer 25 every time the output signal is received and a signal from an output terminal OUT goes to an 'ON' level. Thus, a relay switch 24 is closed and an AC power supply is supplied to an AC power socket 13 so as to apply on-control to power of the terminal equipment.</p> |
