ZyXEL NSA325 User Guide - Page 312
Maintenance, Power, Table 108, LABEL, DESCRIPTION
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Chapter 17 Maintenance Screens Click Maintenance > Power to display the following screen. Figure 186 Maintenance > Power The following table describes the labels in this screen. Table 108 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. 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. Power On After Power Failure Select an option to set whether or not the NSA restarts when the power is restored after a power failure. Keep Former Status 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. Always Power On Select this option to keep the NSA operating as much of the time as possible. The NSA restarts automatically even if it was turned off when the power failed. 312 Media Server User's Guide