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34008236EN/AA - Page 21
6. Appendices
6.2 Glossary
Backup time Time during which the load can be supplied by the UPS operating on battery power.
Battery test Internal UPS test to check battery status.
Booster mode Automatic UPS mode that steps up the AC voltage if it is too low, to a level above the
personalised set-point, without discharging the battery.
Bypass AC input Bypass line from the AC-power source, controlled by the UPS, used to directly supply the load if
an overload or a malfunction occurs on the UPS.
Cold start The devices connected to the UPS can be started even if AC input power is not available. The
UPS operates on battery power alone.
Deep discharge Battery discharge beyond the permissible limit, resulting in irreversible damage to the battery.
Fader mode Automatic UPS mode that steps down the AC voltage if it is too high, to a level below the
personalised set-point, without discharging the battery.
FlexPDU Module with UPS outlets for installation in a bay. There are different modules with different types
of outlets.
HotSwap MBP UPS manual-bypass module for maintenance. There are different modules with different types of
outlets.
Load Devices or equipment connected to the UPS output.
Low-battery warning This is a battery-voltage level indicating that battery power is low and that the user must take
action in light of the imminent break in the supply of power to the load.
Normal AC input The AC-power line supplying the UPS under normal conditions.
Percent load Ratio of the power effectively drawn by the load to the maximum output of the UPS.
Personalisation It is possible to modify certain UPS parameters set in the factory. Certain UPS functions can also
be modified by the Personal Solution-Pac software to better suit user needs.
Programmable
outlets
Controllable outlets for automatic load shedding, remote shutdown and sequential restart
(personalised using Personal Solution-Pac software.
UPS Uninterruptible Power System.
UPS ON/OFF
controlled by
software
This function enables or disables initiation of UPS ON/OFF control sequences by computer
power-management software.