Juniper Networks EX8208 manual Chassis Status LEDs in an EX8200 Switch

Complete Hardware Guide for EX8208 Ethernet Switches

•Connecting and Configuring an EX Series Switch (CLI Procedure) on page 190

•Connecting and Configuring an EX Series Switch (J-Web Procedure) on page 192

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 22.

Figure 6: Chassis Status LEDs

Table 8 on page 22 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 8: Chassis Status LEDs in an EX8200 Switch

LED Label (Description)	Color	State and Description
ALM (Alarm)	Unlit	No alarm.
	Red	Major alarm.
	Yellow	Minor alarm.
SYS (System)	Unlit	Switch is powered off.
	Yellow	One or more component failures are generating one or more
		alarms.
	Green	Switch is operating normally.
MST (Master)	Unlit	Switch is powered off.
	Green	Master Routing Engine is operational.

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.

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