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3 LED Indicators
The following figure shows the locations of the configuration switches
and LED indicators:
3.1 LED Indicators
LED
DISPLAY
STATE
INTERPRETATION
PWR Power status
ON
The device is powered on.
OFF
The device is powered off.
SFP
SFP slot status
ON
An SFP transceiver is installed.
OFF
No SFP transceiver is installed.
LINK Link status
ON
Copper-fiber link up
OFF
Copper-fiber link down
BLINK
Copper-fiber link with data traffic
OL
Optical status
ON
Fiber port optical signal detected
OFF
Fiber port no optical signal