Panasonic VB44030 VB44030 User Guide - Page 26

Chapter 7. SLT Features Section 700 - Operation Battery Backup Description When backup batteries are installed, the System will continue to operate in the event of a power failure. If using Battery Backup, backup batteries must be installed in each cabinet. A fully loaded System will operate at least 15 minutes with the DBS 576HD. Hardware Requirements • Back-up battery unit (VB-44026) Related Programming • N/A Considerations • Any device connected to the System but that does not derive its power from the System must have a backup power source to operate. These devices include any System Message Detail Recording (SMDR) printer (or recorder), fax machine, answering machine, modem, cordless telephone, etc. Call Progress Tones Description The System supplies a full array of call progress tones. These tones provide audible indications of the status of calls and include dial tone, busy tone, ringback tone, error tone, confirmation tone, and splash tone. The complete specification for these tones may be found in Section 300 - Installation. In addition to call progress tones, Direct Station Select (DSS) LEDs and the display provide additional indication of the status of calls. Hardware Requirements • N/A Related Programming • N/A Considerations • N/A 3-8 DBS 576HD (USA) issued September 2001 576-50-700