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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 :
LNK/SPD/ACT LED : indicates the link status, connection speed
DUP/COL LED :
LED States and Indications
LED
State & Color
POWER
POWER
LNK/SPD/ACT On
LNK/SPD/ACT On
LNK/SPD/ACT Blink Green
LNK/SPD/ACT Blink Amber
LNK/SPD/ACT Off
DUP/COL
DUP/COL
DUP/COL
indicates the power status of the switch.
status, and traffic status of the switched port
indicates the duplex status and collision status
of the switched port
Off
--------
On
Green
Green
Amber
--------
On
Green
Off
--------
Blink Green
Indication
No power is supplied to the switch.
Power is being supplied to the switch.
Speed 100M, link up
Speed 10M, link up
Speed 100M, link up, Tx/Rx activities
Speed 10M, link up, Tx/Rx activities
Link down
Full duplex mode
Half duplex mode, no collision
Half duplex mode, collisions
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