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

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KTI Networks KCD-400 Series manual LED Indicators