7
T
ROUBLESHOOTING
Diagnosing Switch Indicators
1.
Symptom
Power LED does not light after power on.
Probable Causes
o
AC power cord may be defective.
Possible Solutions
o
Check for loose connections.
o
Check the power outlet by using it for another device.
o
Replace the AC power cord.
2.
Symptom
Link LED does not light after connection is made.
Probable Causes
o
Switch port, network card or cable may be defective.
Possible Solutions
o
Check that the switch and attached device are both
powered on.
o
Be sure the network cable is connected to both
devices.
o
Verify that Category 5 or better cable is used for
10/100 Mbps connections and that the length of any
cable does not exceed 100 meters (328 feet).
o
Check the network card and cable connections for
defects.
o
Replace the defective card or cable if necessary.