3.1 B
3.1.1 Backup Master Mode and Isolated Mode
Description
In a One
-look network, if the Master unit fails or otherwise goes offline, a Slave unit (KX-NS1000 only) that is
designated as the Backup Master unit assumes operation as the Master unit.
If the Backup Master unit also goes offline or none is specified, Slave units can switch to Isolated mode.
Backup Master Mode
When the Master unit goes offline, the Slave units will detect the change in status. The designated Slave unit
will switch to Backup Master mode, and the other Slave units will use the Backup Master unit as the Master
unit.
Normal Operation Backup Master Operation
Master Unit
Slave Unit
(Backup Master Unit)
Master Unit
Slave Unit
(Backup Master Unit)
PBX PBXPBXPBX
PBX PBX PBX PBX
Offline
: Current Connection
: Lost Connection
38 Feature Manual Document Version 2016-03
3.1.1 Backup Master Mode and Isolated Mode
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