70 Chapter 6 - SpecificationsThis chapter provides detailed lists of all system specifications in an easy-to-follow table format.Note: The following specifications are subject to change without notice.# Power SupplyBattery BackupEquipment Specification/RequirementsAll DBS 576 Cabinets 120 volts AC + 10% 60 HzPrimary Power -Input @ AC:AC Frequency:Watts per cabinet (continuous):Wats for 6-cabinet system (continuous):85 to 138 volts AC50/60 Hz360 watts2,160 wattsMaximum Peak AC Input Current -1 cabinet:2 cabinets:3 cabinets:4 cabinets:5 cabinets:6 cabinets:3.3 amps6.6 amps9.9 amps13.2 amps16.5 amps19.8 ampsDC Voltage Output Specification: –24 volts DC (–26.0 to –27.6 volts DC)+5 volts DC (+4.9 to +5.3 volts DC)AEC (8-circuit card that supports single-line devicessuch as rotary and DTMF standard phones; FAXmachines; dictation equipment; etc.) -Ring Voltage:Ringing Capability:150 volts p-p2.0 REN per circuitTraffic Rating Characteristics: 6 ACS per station system-wideDBS 576 key telephones 3 watts maximum (powered from the DBS 576)Equipment SpecificationBattery Pack: (Part No. VB-44025)Capacity (with maximum traffic): 30 minutesBattery Charger Characteristics -Charger:Nominal Voltage:Battery Discharge Cut-Off Voltage:Floating charge27.2 volts21.0 + 0.3 volts DC!"