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Introducing the Switch
Front of the Switch
Introducing the Switch
LEDs
Table 1-2. Switch LEDs
Switch LEDs State Meaning
Power
(green)
On
Blinking
1
Off
The power supply is operating properly.
Power supply failure. Blinking simultaneously with Fault LED
No power connection.
Fault
(orange)
Off The normal state; indicates there are no fault conditions on the switch.
Blinking
1
A fault has occurred on the switch, one of the switch ports, module in the rear of
the switch, or the fan. The Status LED for the component with the Fault LED will blink
simultaneously.
On On briefly after the switch is powered on or reset, at the beginning of switch self
test. If this LED is on for a prolonged time, the switch has encountered a fatal
hardware failure, or has failed its self test. See chapter 4, “Troubleshooting” for
more information.
Locator (blue) On
Blinking
Off
The Locator LED is used to locate a specific switch in a area full of switches. The
LED can be set to be on solid or blink for a specified number of minutes (1-1440).
The default is 30 minutes. Use the command “chassislocate”.
PS
(green/orange)
On green
Off
The switch is receiving power.
The switch is NOT receiving power.
Blinking
orange
1
A fault has occurred on one of the power supplies. The PS Status LED, Fault LED,
and on the back of the switch the failed power supply LED (PS1 or PS2) will all blink
simultaneously.
Tmp
(green/orange)
On green Switch temperature is normal.
Blinking
orange
1
Blinking
orange
2
An over temperature condition has been detected. This is a Fault condition
indicating elevated internal temperatures. The Fault LED will blink simultaneously.
This indicates an alert condition indicating critical internal temperatures. The Fault
LED will blink simultaneously.
Fan Status
(green/orange)
On
Blinking
orange
1
Blinking
orange
2
Normal operation, all fans are ok.
One of the unit’s fans has failed. The switch Fault LED will be blinking simultaneously.
One of the unit’s fans has failed and the switch is in an overtemp condition. The
switch Fault LED will be blinking simultaneously.
Fan LED on the fan
tray (orange)
Off
Blinking
orange
1
Normal operation, all fans are working properly.
One or more of the unit’s fans has failed. The switch Fault LED, fan status LED on
the front of the switch, and the fan status LED on the back of the switch will be
blinking simultaneously.