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Maintenance Strategy
Warm Start
A loss of power for less than 250 ms can cause a warm start. If this occurs,
calls in progress are not dropped, but calls in the process of being connected
may be dropped.
Considerations
■
■
Power interruptions of less than 100 ms usually do not affect the
system.
Warm starts may cause telephones without incoming calls to ring.
Cold Start (Restart)
If you need to restart the system, cold start (Restart) is recommended.
Restart drops all calls but saves system programming.
To perform a cold start, select
Restart
as follows:
Console Procedure
Menu
→
SysProgram
→
Exit
→
System-Restart
→
Yes
PC Procedure
(F6)
→
(F5)
→
(F1)
→
(F1)
→
(F2)
Considerations
A cold start (Restart) occurs automatically after a power interruption of
more than one second.
A cold start (Restart) does not blank out the screen on an MLX-20L
telephone until the cold start is completed.
A cold start (Restart) can cause extensions with the Extension Status
feature to lose their toll restrictions.
For more information on the Restart procedure, see System
Programming.
For more information on Restart, see “Processor Problems” in Chapter 4.
Introduction 1-21