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Troubleshooting
6-4
Power Failure Operation
When power to the system is cut off, the first line on the PARTNER Endeavor
processing module automatically connects to the first extension on the module,
extension 10.
This enables you to receive calls during a power failure on a standard phone that
is connected to extension 10. You can also make calls on that phone during a
power outage.
The system can stay programmed for a minimum of 45 days and a maximum of
six months after it stops receiving power, depending on the freshness of the
batteries. When the batteries are drained, all of the system’s programmed settings
return to the factory settings. It is recommended that you install fresh batteries
every year. See ‘‘Battery Replacement’’ on page 6-5 for more information.