34008236EN/AC - 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.
Summary of Contents for Evolution 1250 RT 2U
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