Peerless Industries KX-TDA15 - Manual (Page 314)

2.4 Fault Recovery/Diagnostics
314 Feature Guide
2.4.2 Power Failure Restart
Description
When turning the electricity back on, the PBX restarts the stored data automatically and the
PBX will record the event (System Restart) in the error log.
Conditions
• In the event of a power failure, PBX memory is protected by a factory-provided lithium
battery. There is no memory loss except the memories of Automatic Callback Busy
(Camp-on) (
1.7.1 Automatic Callback Busy (Camp-on)) and Call Park ( 1.12.2 Call
Park).