SMC Networks SMC7824M/FSW manual 2 Port and System Status LEDs, Condition

		DESCRIPTION OF HARDWARE
	Table 1-2 Port and System Status LEDs
LED	Condition	Status
Major	Red	Indicates presence within the system of one
		or more major traffic-affecting system
		alarm(s) that are not masked by the alarm
		filter.
Minor	Amber	Indicates presence within the system of one
		or more minor traffic-affecting system
		alarm(s) that are not masked by the alarm
		filter.
Fan Fail	Red	Indicates failure of one or more fans.
Diag	Flashing Green	System self-diagnostic test in progress.
	Green	System self-diagnostic test successfully
		completed.
	Off	System self-diagnostic test has detected a
		fault.
Link/Activity	Green	Port has a valid link.
	Flashing Green	Flashing indicates activity on the port.
	Off	The link is down.
Power	Green	DC or AC power is functioning normally.
Module*
	Off	External power not connected or has failed.
-48V/+12V
or AC/+12V

*The -48V/AC LEDs on the left indicate the status of external power. The +12V LED on the right indicates the status of the internal power conversion process.

1-7