uninterruptible power supply (UPS)![click to hear](/images/speaker.jpg)
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.
surge protection receptacle ![click to hear](/images/speaker.jpg)
Jack designed to protect equipment connected to it from damage caused by too high voltage.
computer interface port ![click to hear](/images/speaker.jpg)
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 ![click to hear](/images/speaker.jpg)
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 ![click to hear](/images/speaker.jpg)
Jacks designed to protect communications equipment (such as telephones, fax machines and modems) from damage caused by too high voltage.
control lights ![click to hear](/images/speaker.jpg)
Signal lights indicating the operating mode (main power or battery power) or certain problems (weak battery, overload).