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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