Section 700 - Operation Chapter 3. System FeaturesDBS-2.3/9.2-700 DBS Manual - Revised April 2000 Page 3-41• Paging cannot be heard at busy extensions or at extensions for which theDo Not Disturb, Call Forwarding, or Absence Message feature is activated.• You can answer Paging from an idle extension by dialing the Meet-MeAnswer code (“77”) during a page or if in a call, placing the call on holdand dialing “77.”Power Failure Transfer(All Versions)DescriptionThis feature provides telephone service to a limited number of SLTs during apower failure. The SLTs are connected to the CO via a Power Failure Unit(PFU).In the event of a power failure, the power failure extensions have dial tonedirectly from the CO; system features and restrictions do not apply.Hardware Requirements• Power Failure Unit (VA-43703)• An SLT that will be connected to the PFU.Considerations• Up to four SLTs can be connected to one Power Failure Unit.• If a call is in progress through the PFU when the power is restored, the callwill be disconnected.• For added protection against power outages, backup batteries can beinstalled in the DBS. Backup batteries provide full telephone service andsystem features to all DBS extensions for a limited amount of time.With maximum traffic, the backup batteries last up to 40 minutes for theDBS 40 and 72, and up to 30 minutes for the DBS 96.
