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4.
LED Indicators
4.1 LED Panel
The switch provides comprehensive LED indicators for diagnosing and monitoring the operation
of the switch as illustrated below:
4.2 Interpretation
LED Functions
POWER LED:
indicates the power status of the switch.
LNK/SPD/ACT LED:
indicates the link status, connection speed status, and traffic status of
the switched port
DUP/COL LED:
indicates the duplex status and collision status of the switched port
LED States and Indications
LED
State & Color
Indication
POWER
Off
-------
No power is supplied to the switch
POWER
On
Green
Power is being supplied to the switch
LNK/SPD/ACT
On
Green
Speed 100M, link up
LNK/SPD/ACT
On
Amber
Speed 10M, link up
LNK/SPD/ACT
Blink Green
Speed 100M, link up, Tx/Rx activities
LNK/SPD/ACT
Blink Amber
Speed 10M, link up, Tx/Rx activities
LNK/SPD/ACT
On
-------
Link down
DUP/COL
On
Green
Full duplex mode
DUP/COL
Off
-------
Half-duplex mode, no collision
DUP/COL
Blink Green
Half-duplex mode, collisions
