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
14
