Web/SNMP Management SmartSlot Card User’s Guide 45
Device Manager Menus
UPS Configuration Options continued
Shutdown parameters Symmetra Power Array, Smart-UPS, and Matrix-UPS use all five

Shutdown Parameter settings. A Silcon DP300E series UPS uses only

Low-Battery Duration and Shutdown Delay.

Note: In the Control Console, use the Configuration menu’s Battery option to access the Return Battery Capacity setting.
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Setting Definition
Return Battery
Capacity The minimum battery capacity that must be present before the
UPS turns on after a shutdown that was caused by a power
failure.
Note: The UPS must also wait the time defi ned by t he Return
Delay setting before it can turn on.
Low-Battery
Duration How long the UPS can continue to run on battery once a low-
battery condition occurs.
Note: This setting also defines how much time PowerChute
plus has to safely shut down its server in resp on se to
the menu options Turn UPS Off Gracefully, Reboot
Gracefully, and Put UPS To Sleep Gracefully Control.
Shutdown Delay How long the UPS will wait before it shuts down in response to
a turn-off command.
Return Delay How long a UPS must wait before it turns on after a shutdown
that was caused by a power failure.
Note: The UPS must also have the capacity specified by the
Return Battery Capacity setting before it can turn on.
Sleep Time How long the UPS will sleep (keep its outlets turned off) when
you use either one of the Control menu’s sleep options (Put
UPS To Sleep or Put UPS To Sleep Gracefully).
Note: This setting also appears in the “Control” page.