
66 System LEDs reference
Nortel Business Communications Manager 5.0
Fault and Performance Management
NN40170-701 01.01 Standard
August 2009
Copyright © 2009 Nortel Networks
Shutdown sequence or failure
Solid green Flashing yellow Graceful shutdown in progress
Off Solid yellow Graceful shutdown completed
Solid red Flashing yellow Overheating detected; thermal shutdown
completed
Solid red Solid red Power spike or rail power fluctuation
detected
Flashing red Solid red Rail power fluctuation; power monitor
shutdown completed
Solid yellow Solid red Power spike shutdown completed
Off Off No power; system is shut down (power
cable is disconnected)
Start-up profile sequence
Flashing yellow Flashing yellow Start-up profile executing
Flashing green Flashing green Start-up profile completed (USB device
can be removed)
Solid green Solid green Start-up profile successfully applied
Blink yellow Blink red Start-up profile failure
Table 13 System status LEDs states and descriptions
Power Status Description
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