User`s guide

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USER’S GUIDE
Network Management Card
38
The general option
Settings vary by UPS model. Each UPS model supports only some of the following:
Return
Runtime
Duration
Most APC UPSs support one of the following to ensure that the UPS perform a
graceful shutdown if input power fails soon after restarting. (The UPS must also
wait the time defined as Return Delay before it turns on.)
Return Runtime Duration: How long the UPS must be able to support the load
by battery power in order for the UPS to end its sleep time (or turn back on when
rebooted) and resume providing output power
Minimum Battery Capacity: The minimum battery capacity, as a percentage of
full capacity, required in order for the UPS to end its sleep time (or turn back on
when rebooted) and resume providing output power.
Minimum
Battery
Capacity
Return
Delay
Defines how long the UPS waits before it turns on after a shutdown that was
caused by a power failure or after a scheduled shutdown.
N
OTE: The UPS must also have the capacity specified by the Minimum Battery
Capacity setting or the available runtime specified as Return Runtime Duration
before it can turn on.
Setting Definition
Setting Definition
UPS Name A name to identify the UPS. Maximum length: 8 characters.
UPS Position The physical orientation of the UPS, rack or tower.
Audible Alarm Enable or disable the audible alarm of the UPS, and, for some UPS
models, define the condition that will cause the alarm to sound.
Last Battery Replacement The month and year of the most recent battery replacement.
Number of Batteries, or
External Batteries
The number of batteries, excluding built-in batteries, that the UPS
has. For some models, a value of 16 or above increments in
quantities of 16 but can then be adjusted to the value you want.
External Battery Cabinet The battery cabinet Amp-Hour rating of an external battery source.