Owner's manual

A-1
A PPENDIX A
T ROUBLESHOOTING
Diagnosing Switch Indicators
Table A-1 Troubleshooting Chart
Symptom Action
Power LED is
Off
• Internal power supply has failed or is disconnected.
• Check connections between the switch, the power cord,
the wall outlet.
Link LED is Off • Verify that the switch and attached device are powered on.
• Be sure the cable is plugged into both the switch and
corresponding device.
• Verify that the proper cable type is used and its length
does not exceed specified limits.
• If the switch is installed in a rack, check the connections
to the punch-down block and patch panel.
• Check the adapter on the attached device and cable
connections for possible defects. Replace the defective
adapter or cable if necessary.
Diag LED is
Amber
• Power cycle the switch to try to clear the condition.
• If the condition does not clear, contact your dealer for
assistance.