ZyXEL NSA320 User Guide - Page 320
Maintenance Screens, Media Server User's Guide
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Chapter 18 Maintenance Screens Click Maintenance > Power to display the following screen. Figure 203 Maintenance > Power The following table describes the labels in this screen. Table 111 Maintenance > Power LABEL DESCRIPTION Power Management Turn off hard disk(s) Enter the number of minutes the NSA will sit idle before spinning the hard disks down to sleep. The default power-off time is 15 minutes. Minimum UPS Capacity Minimum UPS Capacity When you use an APC Uninterruptible Power Supply (UPS) with a USB connection to the NSA, the NSA shuts itself down if the APC UPS's battery charge gets down to the percentage you specify in this field. This allows the NSA to shut down properly and avoid data loss caused by a power failure when the UPS stops supplying power. Power On After Power Failure A setting around 50% is recommended. A setting close to 100% is not recommended since it would cause the NSA to shut down whenever the UPS is charging. A setting close to 0 is also not recommended since the UPS would not have enough power to allow the NSA to shutdown properly. Select an option to set whether or not the NSA restarts when the power is restored after a power failure. Keep Former Status Note: This feature is not supported on NSA310. Select this option to have the NSA automatically restart only if it was operating when the power failed. The NSA remains off if it was already off when the power failed. 320 Media Server User's Guide