3-8 DBS 576 (USA) issued October 2000 576-36-700Chapter 3. System Features Section 700 - Operation• Both Background Music and Music on Hold (if using external MOH) require a sound source.Related Programming• N/AConsiderations• N/ABattery BackupDescriptionWhen backup batteries are installed, the System will continue to operate in the event of a powerfailure. If using Battery Backup, backup batteries must be installed in each cabinet.A fully loaded System will operate at least 30 minutes on backup batteries for the DBS 576..Hardware Requirements• DBS 576: Back-up battery unit (VB-44025)Related Programming• N/AConsiderations• Any device connected to the System but that does not derive its power from the System musthave a backup power source to operate. These devices include any System Message DetailRecording (SMDR) printer (or recorder), fax machine, answering machine, modem, cordlesstelephone, etc.Building Block Expansion CapabilityDescriptionThe System is designed to support easy expansion. Each cabinet in the System supports 96 ports (12flexible slots) as well as 2 option slots. Up to 6 cabinets may be installed in the System for a total of576 ports.Up to 2 expansion cabinets may be connected to a base cabinet. When a fourth cabinet is required,another base cabinet is installed. Up to 2 expansion cabinets may be connected to the second basecabinet.This building block approach allows you to easily add equipment when needed without a majorinterruption in service or a major delay.Hardware Requirements• N/A
