Legend

System-Level LEDs

LED Description

SYSTEM

The SYSTEM LED shows the status of the switch (system).

 

Solid green The switch is healthy.

 

Blinking green

The switch is running power-on self-test (POST).

 

Solid amber

The switch is faulty, is rebooting, or is in recovery.

ALARM

The ALARM LED shows the presence of a switch power problem.

 

Off (dark)

Power to the switch is off or the power alarm is off.

 

Solid green

The power alarm is on.

 

Blinking red

 

The switch has detected a major alarm condition.

 

Solid Red

 

The switch has detected a minor alarm condition.

SETUP

The configuration mode in which the switch is operating.

The SETUP button on the Front Panel view is not active.

 

Off (dark)

The switch is configured as a managed switch or switch is operating as an unmanaged switch.

 

Solid green

The switch is in initial setup.
 

Blinking red

 

The switch is in initial setup or in recovery, or initial setup is incomplete.
 

Solid Red

 

The switch failed to start initial setup or recovery, because there is no available switch port to which to connect the management station.

 

PWR A and PWR B

The PWR LEDs show the DC power status.

 

Off (dark)

Power to the switch is off or is not properly connected.

 

Solid green

Power is present.

 

Solid red

Power to the switch is not present and and the power supply alarm is on.

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Port-Level LED States

LED Mode Description
Status

By default, the port LEDs show port status. To display the port duplex mode, the port speed, and the Smartports status from the port LEDs, you must use the View list.

 
Off (dark) No link.
 
Solid green Link is up, but there is no activity on the link.
 
Blinking green

Link has activity.

During direct managed mode, the port with the blinking green LED is the selected management port to which to connect the management station.

 

Solid brown

Port is administratively disabled.

 
Yellow Port is error-disabled.
 
Blinking green and amber Link is faulty.
 
Blinking amber Port has a Smartports configuration mismatch.
 
Solid amber Port is faulty, is disabled due to an error condition, or is in an STP-blocked state.
Duplex

In this mode, the port LEDs show the duplex mode (full duplex or half duplex) of the ports.

Note: The 10/100/1000 ports operate only in full-duplex mode.

 
Off (dark) No link.
 
Solid light blue Port is in half-duplex mode.
 
Solid green Port is in full-duplex mode.

Speed

In this mode, the port LEDs show the operating speed (10, 100, or 1000 Mb/s) of the ports.

 

Off (dark)

No link.

 

Solid light blue

10 Mb/s.

 

Solid green

100 Mb/s.

 

Blinking green

1000 Mb/s.

Smartports

In this mode, each port image shows the applied port role. For information about Smartports, see Smartports.

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Port Types

RJ-45 port

Small form-factor pluggable (SFP) module slot (empty)

Fiber-optic SFP module ports

1000BASE-T SFP module port

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