Troubleshooting; Diagnosing Switch Indicators - SMC Networks 8505T - annexe 1 Manual

Diagnosing Switch Indicators

1. Symptom
Power LED does not light after power on.
Probable Causes
• DC power adapter may be defective.
Possible Solutions
• Check for loose connections.
• Check the power outlet by using it for another device.
• Replace the DC power adapter.
2. Symptom
Link 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 10/100 Mbps
connections, Category 5, 5e, or 6 cable for 1000 Mbps connections,
and that the length of any cable does not exceed 100 meters (328 feet).
• Check the network card and cable connections for defects.
• Replace the defective card or cable if necessary.
T
ROUBLESHOOTING
9