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
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 |