Chapter 1: Summit Family Switches
Summit Family Switches Hardware Installation Guide
120
Summit X480 Series Switch LEDs
Table 33 describes the LEDs on the Summit X480 series switches.
Table 33: LEDs on the Summit X480 Series Switches
Label or Type Color/State Meaning
Front Panel LEDs
MGMT Blinking green (slow) Normal operation
Blinking green (rapid) Switch is booting; power-on self test (POST) is in
progress.
Blinking amber Power-on self test (POST) failed.
Off (FAN and PSU
are also off.)
No external power is attached.
Off (FAN and PSU
are lit.)
Switch is booting.
FAN Steady green Normal operation
Blinking green (rapid) Power-on self test (POST) is in progress.
Blinking amber Failure
Off No power
PSU-1 Steady green Normal operation
Blinking amber Failure
Off No power; no power supply present.
PSU-2 Steady green Normal operation
Blinking amber Failure
Off No power; no power supply present.
Stack Management 1 – 4 Steady green Link OK on the indicated stack port.
Blinking green Activity on the indicated stack port.
2-digit Stack number Indicator
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 or 1 – 48
Steady green Link OK
Blinking green Activity
Off No link; port is disabled.
Management Port
Left LED Blinking green Activity
Off No link; 10/100-Mbps link
Right LED Steady green 1-Gbps link
Off No link; 10/100-Mbps link