Chapter 1: Summit Family Switches
Summit Family Switches Hardware Installation Guide
42
Summit X250e Series Switch LEDs
Table 9 describes the meanings of the LEDs on the Summit X250e series switches.
Table 9: LEDs on the Summit X250e Series 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 are running.
or
System is disabled. POST failed or system overheated.
Off No external power attached
FAN Steady green Normal operation
Blinking amber Fan failure. Switch will continue to operate unless it overheats.
Off No power
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
Port number
1 – 24 or 1 –
48
Steady green Link is OK.
Blinking green Port is transmitting packets.
Off Link is not present, or port is disabled.
Port number
25, 26 or 49,
50
(Shared ports)
Steady green Link is OK.
Blinking green Port is transmitting packets.
Off Link is not present, or port is disabled.
Stack 1, Stack 2 Steady green Link OK on the indicated stack port.
Blinking green Activity on the indicated stack port.
Stack Number
Indicator
Off This switch is not in stacking mode.
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 switch (neither the master nor the
backup).
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