Uninterruptible power supply (UPS): Device used to regulate the power supply to the computer and its
peripherals by limiting the effects of cuts, surges or dips in the
electric circuit voltage.
Input receptacle: Jack used to connect the UPS to the electric grid.
Surge protection receptacle: Jack designed to protect equipment connected to it from damage caused by too high voltage.
Computer interface port: Connector attaching the UPS to the computer; software can then turn the
computer off before the battery runs out completely.
Battery backup/surge protection receptacles: Antisurge jacks attached to a battery so that equipment connected to
them have electric power in the event of a power outage.
Telephone surge protection jacks: Jacks designed to protect communications equipment (such as telephones,
fax machines and modems) from damage caused by too high voltage.
Control lights: Signal lights indicating the operating mode (main power or battery power) or certain problems (weak battery, overload).
On/off/test button: Button that turns on the UPS and begins the procedure of checking the status of the battery.
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