Summit X650 Series Switch LEDs

The following sections describe the meanings of the LEDs on the Summit X650 series switches.

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Front Panel LEDs

Label or Type Color/State Meaning
MGMT Blinking green Normal operation
Blinking amber Power-on self test (POST) failed; diagnostic test in progress.
Off No external power is 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 1 – 4 Steady green Link OK on the indicated stacking port.

Blinking green

Activity on the indicated stacking port.

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2-digit Stack number Indicator

Label or Type Color/State Meaning
Left digit (1)   Reserved for future use.
Right digit (1 – 8)   Indicates the position of this switch in the SummitStack configuration.
Upper half blinking This switch is the stack master node.
Lower half blinking This switch is the stack backup node.
Lit steadily This switch is a standby node in the stack.
Ethernet Ports

1 – 24

Steady green Link OK
Blinking green Activity
Management Port Steady green Link OK
Blinking green Activity
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Back Panel

Label or Type Color/State Meaning
Stacking Port LED (on installed VIM1 module) Steady green Link OK
Blinking green Activity
SFP/SFP+ port LED (on installed VIM1 module) Steady green Link OK
Blinking green Activity