20
9 Glossary
Backup time
Time during which the load can be supplied by the UPS operat
-
ing on battery power.
Low-battery warning
This is a battery-voltage level indicating that battery power is low
and that the user must take action before the UPS shuts down.
Load
Devices or equipment connected to the UPS output.
Normal mode
The normal UPS operating mode in which the AC source supplies
the UPS which, in turn, provides AC power to the connected
loads.
Normal AC source
Normal source of power for the UPS.
OVL
Overload. When the load exceeds 100% of the maximum load of
the UPS.
UPS
Uninterruptible Power System.
AVR
The Automatic Voltage Regulation maintains a constant voltage
level for electrical equipment loads when the voltage falls out
-
side the voltage tolerance range.
