Chassis Status Leds In An Ex8200 Switch - Juniper EX8208 Hardware Manual

Chassis Status LEDs in an EX8200 Switch

The top front of the chassis of an EX8200 switch has three LEDs on the right side of the LCD panel.
See Figure 6 on page 50.
Figure 6: Chassis Status LEDs
Table 14 on page 50 describes the chassis status LEDs in an EX8200 switch, their colors and states, and
the status they indicate. You can view the colors of the three LEDs remotely through the CLI by issuing
the operational mode command show chassis lcd.
Table 14: Chassis Status LEDs in an EX8200 Switch
LED Label (Description)
ALM (Alarm)
SYS (System)
MST (Primary)
A major alarm (red) indicates a critical error condition that requires immediate action.
A minor alarm (yellow) 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.
Color
Unlit
Red
Yellow
Unlit
Yellow
Green
Unlit
Green
State and Description
No alarm.
Major alarm.
Minor alarm.
Switch is powered off.
One or more component failures are generating one or
more alarms.
Switch is operating normally.
Switch is powered off.
Primary Routing Engine is operational.
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