Summit X450-G2 Series Switch LEDs

The following sections describe the meanings of the LEDs on the Summit X450-G2 series switches.

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X450-G2 Front Panel LEDs

Label or Type Color/State Meaning
M (Management) Slow blinking green (1 Hz) Normal operation
Fast blinking green (2 Hz) Power-on self test (POST) in progress

or

Switch diagnostics are running

Steady green POST passed: system is booting image
Blinking amber System is disabled: POST failed or system overheated
Off No external power is attached
S1, S2 (Stack Management) Steady green Link OK on the indicated stacking port
Blinking green Activity on the indicated stacking port
FAN Steady green Normal operation
Blinking amber Failure
Off No power
P1, P2 (Power Supply) Steady green Normal operation
Steady amber Power is attached, but no power is on
Blinking amber Power failure
Off No power attached
Ethernet Port 1–24 or 1–48 Steady green Link OK
Blinking green Activity on the indicated port
Off No link or port disabled
1G SFP ports or 10G SFP+ ports 25, 26, 27, and 28 or 49, 50, 51, and 52 Steady green Link OK
Blinking green Activity on the indicated port
Off No 1G or 10G link, or port disabled
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Additional Port LED Meanings for PoE Switches: Summit X450-G2-24p-GE4, X450-G2-24p-10GE4, X450-G2-48p-GE4, and X450-G2-48p-10GE4

Label or Type Color/State Meaning
All front panel ports 1-24 or 1-48 Steady green Link is OK; port is not powered
Steady amber Link is OK; port is powered; no traffic
Blinking green Link is OK and transmitting packets; port is not powered
Blinking amber Link is OK and transmitting packets; port is powered
Slow blinking amber No link, or disabled port; port is powered
Alternating amber and green Port has a power fault
Off Port is not powered, has no link, or is disabled
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Summit X450-G2 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