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38 5 Troubleshooting
LED Displays
Once the driver has been installed, the adapter is operational. The current status and speed
are indicated by the LEDs.
Figure 3. Location of the LEDs
The LEDs of the SysKonnect SK-9E21D 10/100/1000Base-T Adapter, PCI Express, have the
following meaning:
Marking on
bracket
Color Status Description
ACT/LINK
green
green
OFF
ON
Blinking
Link down
Link up
Link up and Receiving / Transmitting
10/100/1000
green
yellow
OFF
ON
ON
Speed 10 Mbit/s
Speed 100 Mbit/s
Speed 1000 MBit/s