USB connection Use your PC to access additional power protection & management features for your UPS via a USB (Universal Serial Bus) Port. Telephone dataline surge protection Provides protection of connected equipment from power surges traveling on telephone lines. Automatic Voltage Regulation (AVR) Automatically steps up low voltage & steps down high voltage to levels that are suitable for your equipment. Protection Battery & surge protected outlets Back up & protect your hardware & data during power outages, surges & spikes. Surge only outlets Protect secondary electronics from surges & spikes without reducing battery power used to run primary electronics during an outage. Availability Automatic self-test Periodic battery self-test ensures early detection of a battery that needs to be replaced. Battery failure notification Provides early-warning fault analysis on batteries enabling timely preventive maintenance Intelligent battery management Maximizes battery performance, life, & reliability through intelligent, precision charging. Serviceability Resettable circuit breaker Easy recovery from overloads; no need to replace a fuse. Manageability Audible alarms Provides notification of changing utility power & UPS power conditions LED status display Quickly understand unit & power status with visual indicators. Safety Safety-agency approved Ensures the product has been tested & approved to work safely with the connected service provider equipment & within the specified environment.