Nortel Networks ELO ES24 Switch User Manual


 
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.