
Nortel Business Communications Manager 5.0
Fault and Performance Management
NN40170-701 01.01 Standard
August 2009
Copyright © 2009 Nortel Networks
System LEDs reference
The information in this section applies to both BCM450 and BCM50 platforms
running BCM 5.0.
This section provides information about the main unit LED status during
normal operation, startup, and reboot.
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• System status monitor LEDs (page 65)
System status monitor LEDs
The BCM system status LEDs on the main unit provide information about the
status of the BCM system. Use these LEDs to determine if the system is
functioning properly and if the system generates an alarm.
Table 13 System status LEDs states and descriptions
Power Status Description
Start-up sequence
Solid yellow
Solid yellow Power applied to the system.
Solid yellow Off Power on self test (POST); 9 seconds.
Solid yellow Solid yellow System initialization; 14 seconds.
Solid green Solid yellow Kernel initialization; 8 seconds.
Solid green Flashing green Services initialization; 1 minute.
Solid green Solid green System running; normal operation.
Solid green Solid red Services initialization failure
Safe mode start-up sequence
Solid red Solid green System running with manufacturing
settings enabled
Solid red Solid red System running in software reset mode
Solid red Flashing yellow System running in configuration reset
mode
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