APCBACK-UPS CS 300 WATTS / 500 VAINPUT120V / OUTPUT120V INTERFACE PORT USB. INCLUDES CD WITH SOFTWARE CORD MANAGEMENT STRAPS USB CABLE USER MANUAL.UL STYLE""MARGIN-TOP0PX;PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" SERIAL CONNECTIVITY - USE ANY HOME AUTOMATION NETWORK TO MONITOR AND CONTROL THE S20 THROUGH ITS RS-232 SERIAL PORT. FOR INFORMATION ON HOW TO COMMUNICATE WITH THE S20 SEE APC'S APPLICATION NOTE #102. CRESTRON AND AMX INSTALLERS SHOULD VISIT THEIR RESPECTIVE WEBSITES FOR INFORMATION ON HOW TO INTEGRATE THE S20 INTO THOSE NETWORKS. USB CONNECTIVITY - PROVIDES MANAGEMENT OF THE UPS VIA A USB PORT (NOT AVAILABLE ON ALL MODELS). SERIAL CONNECTIVITY - PROVIDES MANAGEMENT OF THE UPS VIA A SERIAL PORT. LIFETIME DATA RECOVERY WARRANTY - PROVIDES PEACE OF MIND BY PROVIDING PROFESSIONAL DATA RECOVERY SERVICES IN THE EVENT DATA IS LOST DUE TO THE FAILURE OF THE UNIT. DATA LINE SURGE PROTECTION - PROTECTS CONNECTED LOADS FROM SURGES SPIKES LIGHTNING AND OTHER POWER DISTURBANCES. BATTERY-PROTECTED AND SURGE-ONLY OUTLETS - RESERVES POWER CAPACITY AND RUN TIME FOR CONNECTED EQUIPMENT THAT REQUIRE BATTERY BACK-UP WHILE PROVIDING SURGE ONLY PROTECTION FOR LESS CRITICAL EQUIPMENT LED STATUS INDICATORS - QUICKLY UNDERSTAND UNIT AND POWER STATUS WITH VISUAL INDICATORS. AUDIBLE ALARMS - PROVIDES NOTIFICATION OF CHANGING UTILITY POWER AND UPS CONDITIONS. TRANSFORMER-BLOCK SPACED OUTLETS - PROTECT EQUIPMENT WITH INPUT TRANSFORMER BLOCKS WITHOUT BLOCKING ACCESS TO OTHER RECEPTACLES. AUTOMATIC SELF-TEST - PERIODIC BATTERY SELF-TEST ENSURES EARLY DETECTION OF A BATTERY THAT NEEDS TO BE REPLACED. BATTERY REPLACEMENT WITHOUT TOOLS - ALLOWS QUICK EASY BATTERY REPLACEMENT. COLD-START CAPABLE - PROVIDES TEMPORARY BATTERY POWER WHEN THE UTILITY POWER IS OUT. HOT-SWAPPABLE BATTERIES - ENSURES CLEAN UNINTERRUPTED POWER TO PROTECTED EQUIPMENT WHILE BATTERIES ARE BEING REPLACED AUTOMATIC RESTART OF LOADS AFTER UPS SHUTDOWN - AUTOMATICALLY STARTS UP THE CONNECTED EQUIPMENT UPON THE R