APPENDIX A

TROUBLESHOOTING

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.

 

 

 

A-1

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LevelOne GSW-2476 user manual Appendix a Troubleshooting, Diagnosing Switch Indicators, Table A-1 Troubleshooting Chart