ExtremeSwitching X620 Series Switch LEDs

The following sections describe the meanings of the LEDs on the ExtremeSwitching X620 series switches.

X620 Front Panel LEDs

Label or Type	Color/State	Meaning
M (Management)	Slow blinking green (1 Hz)	Normal operation
	Fast blinking green (2 Hz)	Power-on self test (POST) in progress or Switch diagnostics are running
	Steady green	POST passed: system is booting image
	Blinking amber	System is disabled: POST failed or system overheated
	Off	No external power is attached
S1, S2 (Stack Management)	Steady green	Link OK on the indicated stacking port
S1, S2 (Stack Management)	Blinking green	Activity on the indicated stacking port
FAN	Steady green	Normal operation
	Blinking amber	Failure
	Off	No power
Power Supply Unit (PSU)	Steady green	Normal operation
	Blinking amber	Input or output power failure
	Off	Not present
Redundant Power Supply (RPS)	Steady green	Normal operation
	Blinking amber	When RPS is present, no supply from PSU
	Off	No RPS PSU is attached
Ethernet Management Port	Blinking green (left)	Activity on the indicated port Link OK
	Off (left)	Activity on the indicated port
	Steady green (right)	Link OK
	Off (right)	No link, or port disabled
Other ports	Steady green	Link OK
	Blinking green	Activity on the indicated port
	Off	No link, or port disabled

ExtremeSwitching X620 2-digit Stack Number Indicator

Label or Type	Color/State	Meaning
Left digit (1)	Reserved for future use.
Right digit (1 – 8)	Indicates the position of this switch in the stack configuration
	Upper half blinking	This switch is the stack master node
	Lower half blinking	This switch is the stack backup node
	Lit steadily	This switch is a standby node in the stack

Published December 2020prev | next