Juniper EX4300 Series Hardware Manual page 81

Table 18: Chassis Status LEDs on an EX4300 Switch
LED Label Color
Unlit
MST (Primary) Green
A major alarm (red) indicates a critical error condition that requires immediate action.
A minor alarm (yellow or amber) indicates a noncritical condition that requires monitoring or
maintenance. A minor alarm that is left unchecked might cause interruption in service or performance
degradation.
All three LEDs can be lit simultaneously.
SEE ALSO
show chassis lcd
Chassis Component Alarm Conditions on EX4300 Switches | 322
Check Active Alarms with the J-Web Interface
Understand Alarm Types and Severity Levels on EX Series Switches
(Continued)
State and Description
•
EX4300 switches except EX4300-48MP and
EX4300-48MP-S switches—The switch is powered off or
is halted.
•
EX4300-48MP and EX4300-48MP-S switches—The
switch is booting or the switch is powered off or is halted.
In a standalone EX4300 switch:
•
On steadily—The switch is functioning normally.
•
Off—The switch is powered off or is halted.
In a Virtual Chassis configuration:
•
On steadily—The switch is the primary in the Virtual
Chassis configuration.
•
Blinking—The switch is the backup in the Virtual Chassis
configuration.
•
Off—The switch is a line card member in the Virtual
Chassis configuration or is halted.
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