Juniper Networks 5000 Interpreting Status LEDs for the Management Modules, Status LED States

Appendix B Port Descriptions and LED Status

STATUS LED STATES

This section describes Status LED states on all modules.

Interpreting Status LEDs for the Management Modules

The Status LEDs indicate whether the management module is operating properly. The following table describes the status possibilities for each.

LED	LED Color	Meaning of the LED
CPU	green	Consists of an array of five LEDs that indicate the current level of CPU
Utilization		utilization. Utilization is defined as the amount of traffic detected on the
		device at any given time. The CPU utilization LEDs represent the
		following percentages of possible utilization: 5%, 10%, 25%, 50%, and
		90%.
	off	When all are off, indicates less than 5 percent CPU use.
POWER	green	Indicates the system is receiving power.
	off	Indicates the system is not receiving power.
	red	Indicates the power has a problem.
STATUS	blinking	Indicates the system is operational.
	green
	blinking	Indicates the system is booting up.
	amber
	off	Indicates the module is not operational.
HA	green	Indicates the module is a master in a redundancy cluster.
	red	Indicates the module is ineligible to be a backup.
	amber	Indicates the module is a backup in a redundancy cluster.
	off	Indicates that no HA activity has been defined.
ALARM	red	Indicates an alarm which could mean a system failure.
	blinking red	Indicates a self-test failure during the bootup process.
	off	Indicates the system has not detected an event or error at the current
		time.
FLASH	green	Indicates the flash card is installed.
	blinking	Indicates flash card activity.
	green
	off	Indicates no flash card loaded in the flash card slot.

IV User’s Guide