LEDs

Switch Chassis LEDs

The PoE, BCN, STS, and ENV, LEDs are located on the left side of the front of the switch. The port LEDs appear as triangles pointing up or down to the nearest port.

LED

Color

Status

PoE

Green

PoE mode is operational.

Amber

Any fault, or power that is denied on PoE ports because providing power exceeds the switch power capacity.

Off

PoE is disabled.

BCN

Flashing blue

The operator has activated this LED to identify this switch in the chassis.

Off

This switch is not being identified.

STS

Green

The switch is operational.

Flashing amber

The switch is booting up.

Amber

Temperature exceeds the minor alarm threshold.

Red

Temperature exceeds the minor alarm threshold.

Off

The switch is not receiving power.

ENV

Green

Fans and power supply modules are operational.

Amber

At least one fan or power supply module is not operating.

(port)

Green

Port admin state is 'Enabled', SFP is present and the interface is connected (that is, cabled, and the link is up).

Amber

Port admin state is 'Disabled, or the SFP is absent, or both.

Off

Port admin state is 'Enabled' and SFP is present, but interface is not connected.