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E7-2 LED Behavior
System status indicators
The Calix E7-2 fan module has four LEDs to indicate system alarm and operational status.
LED Name Color Status Description
CR
Critical Red On A critical alarm is present in the system
Off No critical alarms are present in the system
MJ
Major
Red
On A major alarm is present in the system
Off No major alarms are present in the system
MN
Minor Amber On A minor alarm is present in the system
Off No minor alarms are present in the system
MGT
System
Control
Green On An active E7-2 shelf controller (card) is present
Off No active E7-2 shelf controller (card) is present
Note: The E7-2 fan module also features a 7-segment LCD display (for future use).
Card status indicators
Each Calix E7-2 line card has three LEDs to indicate the card's operational status.
LED Name Color Status Description
FAIL
Failure Red On A fault has occurred that should be addressed
Off Normal card operation
CTRL
Control Green On This card is the active E7-2 shelf controller
Amber On This card is the standby E7-2 shelf controller
SRVC
Service Green On One or more ports are enabled and may carry services
Off No ports on this card are enabled
Note: LED behaviors are shown for the card's primary operational states. The card LEDs
exhibit additional behaviors associated with boot up cycles and other activities. Refer to the
Calix E7 User Guide for full details.
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