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Summit Family Switches Hardware Installation Guide
59
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.
Additional Port LED meanings for PoE switches: Summit X450e-24p & Summit X450e-48p
All front-panel ports Steady amber Port is powered with link, no traffic
Blinking amber Port is powered with link, traffic
Slow blinking amber Port is powered, with no link
Alternating amber and
green
Port is faulted
Off Port is not powered, no link or disabled
Rear Panel
Management Port Steady green Link OK
Blinking green Activity
Stacking Port Steady green Link OK
Blinking green Activity
SFP 1G Port Steady green Link OK
Blinking green Activity
XENPAK 10G Port Steady green Link OK
Blinking green Activity
Off Link down
Table 12: LEDs on the Summit X450, X450a, and X450e Switches (Continued)
Label or Type Color/State Meaning