Foundry Networks OSI ユーザーズマニュアル

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February 2003
© 2003 Foundry Networks, Inc.
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PPENDIX
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ROUBLESHOOTING
Diagnosing Switch Indicators 
Power and Cooling Problems
If the power indicator does not turn on when the power cord is plugged in, 
you may have a problem with the power outlet, power cord, or internal 
power supply. However, if the unit powers off after running for a while, 
Troubleshooting Chart
Symptom
Action
Power LED is Off
Internal power supply is disconnected.
Check connections between the switch, the power 
cord, and the wall outlet.
Contact Technical Support.
Power LED is Red 
Internal power supply has failed. Contact your local 
dealer for assistance.
Link LED is Off
Verify that the switch and attached device is 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.  
Check the adapter on the attached device and cable 
connections for possible defects. Replace the defective 
adapter or cable if necessary.