4. LED Indicators

4.1 LED Panels

The switch provides comprehensive LED indicators for diagnosing and monitoring the operation of the unit as illustrated below:

4.2 Interpretation

Power LED: indicates the status of the power supplied to the switch.

Link/Act. LED: indicates the port cable link and traffic activity.

Speed LED: indicates the connection speed used

Duplex/Col. LED: indicate the duplex mode used and collision status

The LED indicators labeled a port number on top are corresponding to a specific 10/100BASE-TX port. The LED indicators labeled with G1 and G2 are corresponding to the Gigabit slot 1 and slot 2 respectively.

The states and indications are:

 

 

LED

STATE

INDICATION

Power

Off

No power is supplied to the device.

Power

On

Power is supplied to the device.

Link/Act.

On

An active link is established.

Link/Act.

Off

No active link is established.

Link/Act.

Blink

There are Tx or Rx activities.

Speed

On

100Mbps speed is used.

Speed

Off

10Mbps speed is used.

Duplex/Col.

On

Full duplex mode is used.

Duplex/Col.

Off

Half duplex mode is used.

Duplex/Col.

Blink

Collision occurrences

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Milan Technology MIL-S3570 manual LED State Indication