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34007776EN/AB - Page 23
6. Appendices
6.2 Glossary
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.
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.
Equipments Devices connected to the UPS output.
Excessive discharge Battery discharge beyond the permissible limit, resulting in irreversible damage to the battery.
FlexPDU Module with UPS outlets for installation in a bay. There are different modules with different types
of outlets.
Frequency converter Operating mode used to convert the AC-power frequency between the UPS input and output
(50 Hz -> 60 Hz or 60 Hz -> 50 Hz).
HotSwap MBP UPS manual-bypass module for maintenance. There are different modules with different types of
outlets.
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
These outlets can be automatically shut down during operation on battery power (shutdown time
delays can be programmed with the Personal Solution Pac software). The UPS has two sets of
two programmable outlets.
Start on battery
power
The devices connected to the UPS can be started even if AC power is not available. The UPS
operates on battery power alone.
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.