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.
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.
Signal lights indicating the operating mode (main power or battery power) or certain problems (weak battery, overload).