Extreme Networks Summit X150 Series Hardware Installation Manual page 59

Table 12: LEDs on the Summit X450, X450a, and X450e Switches (Continued)
Label or Type
PSU-E
(External power supply)
Ethernet Ports
1 – 24 or 1 – 48 (21 –24 and
45 – 48 are shared ports)
Stack Number Indicator
Additional Port LED meanings for PoE switches: Summit X450e-24p & Summit X450e-48p
All front-panel ports
Rear Panel
Management Port
Stacking Port
SFP 1G Port
XENPAK 10G Port
Summit Family Switches Hardware Installation Guide
Color/State
Steady green
Blinking amber
Off
Steady green
Blinking green
Off
Top half of number
blinking
Lower half of number
blinking
Number lights steadily
LED dark
Steady amber
Blinking amber
Slow blinking amber
Alternating amber and
green
Off
Steady green
Blinking green
Steady green
Blinking green
Steady green
Blinking green
Steady green
Blinking green
Off
Meaning
Normal operation
Failure
No external power attached
Link OK
Activity
Link is not present or port is disabled.
This switch is the stack master.
This switch is the stack backup.
This switch is a standby node (neither
the master nor the backup).
This stackable switch is not in stacking
mode.
Port is powered with link, no traffic
Port is powered with link, traffic
Port is powered, with no link
Port is faulted
Port is not powered, no link or disabled
Link OK
Activity
Link OK
Activity
Link OK
Activity
Link OK
Activity
Link down
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