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Extreme x250e-24t Installation Instruction

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Summit Family Switches Hardware Installation Guide
57
Summit X450, X450a, and X450e Series Switch LEDs
 describes the LEDs for the Summit X450, X450a, and X450e switches.
Table 11: LEDs on the Summit X450, X450a, and X450e Switches
Label or Type
Color/State
Meaning
Front Panel
MGMT 
Blinking green (fast)
Power-on self-test (POST) in progress.
Steady green
POST passed. System is booting image.
Blinking green (slow)
Normal operation
Blinking amber
Switch diagnostics running.
or
System is disabled. POST failed or 
system overheated.
Off
No external power attached
FAN 
Steady green
Normal operation
Steady amber*
A single fan in the array has failed. The 
switch can continue to operate 
indefinitely.*
Blinking amber
Failure
or
Two or more fans in the array have 
failed. Because system cooling is 
compromised, you should replace the 
switch.*
Off
No power
* These states for the Fan LED occur only on Summit X450a-48tDC 
switches with a manufacturing part number of 800294-00 and 
X450a-48tDC-TAA switches with a manufacturing part number of 
800337-00.
PSU-I 
(Internal power supply)
Steady green
Normal operation
Blinking amber
Failure
Off
No power
PSU-E
(External power supply)
Steady green
Normal operation
Blinking amber
Failure
Off
No external power attached
Ethernet Ports
1 – 24 or 1 – 48 (21 –24 and 
45 – 48 are shared ports)
Steady green
Link OK
Blinking green
Activity
Off
Link is not present or port is disabled.
Stack Number Indicator
Top half of number 
blinking
This switch is the stack master.
Lower half of number 
blinking
This switch is the stack backup.
Number lights steadily
This switch is a standby node (neither 
the master nor the backup).
LED dark
This stackable switch is not in stacking 
mode.