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Chapter 15 Maintenance Screens
NSA320 User’s Guide
325
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.
Always Power
Off
Select this option to keep the NSA from automatically restarting when
the power is restored after a power failure. This is a computer’s
“traditional” behavior. Select this if you have other servers such as a
domain controller or DNS server that you want to start or check after a
power failure before the NSA turns on.
Power On/Off Schedule
Enable Power
Control
Schedule
Select this option to have the NSA turn itself off and on or reboot
according to the schedules you configured.
Click Edit to go to the screen where you can configure the power control
schedules.
Refer to Section 15.3.1 on page 326 for this screen.
Enable Wake
On LAN
Enable Wake On LAN to be able to turn on the NSA through its wired
Ethernet connection.
You must have a computer or router on your LAN that supports sending
Wake On LAN “magic packets” to turn on the NSA.
To use Wake On LAN from a computer on your LAN, install a program
such as Wake On LAN EX or another Wake On LAN program that
supports sending magic packets.
You can use Wake On LAN from a remote location if the router in front of
the NSA supports sending magic packets.
Use the NSA’s power button or the Web Configurator’s Maintenance >
Shutdown menu to turn off the NSA.
Apply Click this to save your changes.
Reset Click this to restore previously saved settings.
Table 101 Maintenance > Power (continued)
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