A-1
A
PPENDIX
A
T
ROUBLESHOOTING
Diagnosing Switch Indicators
Table A-1 Troubleshooting Chart
Symptom Action
Power LED is Off • Check connections between the switch, the power
cord, and the wall outlet.
• Contact your dealer for assistance.
• Contact LevelOne Technical Support.
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.
• If the switch is installed in a rack, check the
connections to the punch-down block and patch panel.
• Verify that the proper cable type is used and its length
does not exceed specified limits.
• Check the adapter on the attached device and cable
connections for possible defects. Replace the defective
adapter or cable if necessary.
