| 摘要 |
<p>PURPOSE:To exactly prevent the switching of an R/L switch from being forgotten at the time of the end of a maintenance. CONSTITUTION:In a power state display device in a file controller system, a power source on/off switch which operates power supply and disconnection through a power control interface from a host device, which is manually controlled at the time of the maintenance, an R/L switch which switches a side (REMOTE) validating the power supply and disconnection from a remote place, to a side(LOCAL) individually validating the power supply and disconnection, and a display means which displays the state of the R/L switch are provided on the power source maintenance panel 14 of a system. At the time of the maintenance of the device, the R/L switch is changed over to the 'LOCAL' side, and the power disconnection is operated by the power source on/off switch, and at the time of the end of the maintenance, the R/L switch is changed over to the 'REMOTE' side, and displayed at the display means.</p> |
