11
10
Troubleshooting
11
10
Troubleshooting
Diagnosing Switch Indicators
Symptom
Power LED does not light after power on.
Probable Causes
AC power cord may be defective.
Possible Solutions
• Check for loose connections.
• Check the power outlet by using it for another device.
• Replace the AC power cord.
Symptom
Port (Link/Act) LED does not light after connection is made.
Probable Causes
Switch port, network card, or cable may be defective.
Possible Solutions
• Check that the Switch and attached device are both
powered on.
• Be sure the network cable is connected to both devices.
• Verify that Category 5 or better cable is used for 10/100Mbps
connections; Category 5, 5e, or 6 cable for 1000Mbps
connections; and that the length of any cable does not
exceed 328 feet (100m).
• Check the network card and cable connections for defects.
• Replace the defective card or cable if necessary.
