Extreme Networks 17001 Summit X480 Series Switch LEDs, LEDs on the Summit X480 Series Switches

Summit Family Switches

Summit X480 Series Switch LEDs

Table 14 describes the LEDs on the Summit X480 series switches.

Table 14: LEDs on the Summit X480 Series Switches

Label or Type	Color/State	Meaning
Front Panel LEDs
MGMT	Blinking Green	Normal operation
	Blinking Amber	Power-on self test (POST) failed; diagnostic test in
		progress
	Off	No external power attached
FAN	Steady Green	Normal operation
	Blinking Amber	Failure
	Off	No power
PSU-1	Steady Green	Normal operation
	Blinking Amber	Failure
	Off	No power
PSU-2	Steady Green	Normal operation
	Blinking Amber	Failure
	Off	No power
Stack Management 1 – 4	Steady green	Link OK on the indicated stack port.
	Blinking green	Activity on the indicated stack port.
2-digit Stack number Indicator
Left digit (1)	Blinking	This switch is the stack master node (see description of
		right digit).
	Off	This switch is the stack backup node.
Right digit (1 – 8)	Upper half blinking	This switch is the stack master node.
Indicates the position of	Lower half blinking	This switch is the stack backup node.
this switch in the
	Lit steadily	This switch is a standby node in the stack.
SummitStack configuration.
Ethernet Ports	Steady Green	Link OK
1 – 24 or 1 – 48
	Blinking Green	Activity
Management Port	Steady Green	Link OK
	Blinking Green	Activity
Back Panel
Stacking Port LED	Steady Green	Link OK
(on installed VIM)
	Blinking Green	Activity
XFP Port LED	Steady Green	Link OK
(on installed VIM)
	Blinking Green	Activity
Power Supply LEDs
Top	Steady Green	+3.3VSB ok; 12 V ok; PSU is working properly.
Middle	Steady Amber	Fault condition (for example, 3.3VSB OCP/UCP, 12V
		OCP/UCP, or fan failure).
Bottom	Steady Green	PSU is connected to power. If the cord is connected
		and this LED is off, the PSU is defective.

66 Summit Family Switches Hardware Installation Guide