UNIVERGE SV8100 Issue 5.0Battery Backup – System Memory 1 - 127Battery Backup – System MemoryDescriptionThe battery on the CD-CP00 retains the Clock/Calendar and Last Number Redial (LNR) buffers for eachstation when the CD-CP00 encounters a power loss. With a fully charged battery, the settings areretained for approximately three years.The system programmed memory (Customer Database) is stored in Nonvolatile Memory and can beerased only by performing a First Initialization.. For additional storage time, the database and Caller ID History can be copied to the Compact Flash card on theCD-CP00.Conditions The battery on the CD-CP00 should be removed during long term storage but must beinstalled (protection against loss of power) just before ETU installation to provide batterybackup for System Memory. When fully charged, the battery retains System Memory for approximately three years. You should replace the CD-CP00 battery every three years. During normal operation, the battery is continually recharged using a built-in chargingcircuit from the CD-CP00. To prevent loss of the Caller ID History, you should perform a database save before storingthe CD-CP00. Battery backup on the CD-CP00 does not protect the following:o Callbacko Off-line Status (for programming system or station assignments)o Repeat Redialo Trunk Queuing/Camp-Ono Caller ID HistoryDefault SettingsNone. The battery must be installed on the CD-CP00 prior to programming a customer database.
