Installation guide

Table Of Contents
A-1
A
PPENDIX
A
T
ROUBLESHOOTING
Diagnosing Switch Indicators
Table A-1 Troubleshooting Chart
Symptom Action
PWR LED is Off Power supply is disconnected.
Check connections between the switch, the power cord and
the wall outlet.
Contact your dealer for assistance.
PWR LED is Amber Internal power supply has failed. Contact your local dealer for
assistance.
Diag LED is Amber Power cycle the switch to try and clear the condition
If the condition does not clear, contact your dealer for
assistance
Link/ACT 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.