SMC Networks SMCRPU14 manual Appendix a Troubleshooting, Diagnosing RPU Indicators

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APPENDIX A

TROUBLESHOOTING

Diagnosing RPU Indicators

Table A-1 Troubleshooting Chart

 

 

Symptom

Action

 

 

Power LED is Off

• Internal power supply is disconnected.

 

• Check connections between the RPU, the power cord,

 

and the wall outlet.

 

• Contact Technical Support.

 

 

Link LED is Off

• The port does not have a valid connection to a switch.

 

• Check connections between the RPU and the switch.

 

• Check that power is being supplied to the RPU.

 

 

Link LED is Flashing

• There has been an RPU internal power failure.

Yellow

• Contact Technical Support.

 

 

Activity LED is

• The port has been shut down due to one of the following

Flashing Green

conditions:

 

- The unit has detected an over-current condition.

 

- One or more of the unit’s fans have failed.

 

• Check if the Fan LED is off, which indicates a fan failure.

 

• Check that the attached switch does not require more than

 

150 W of power.

 

• Power cycle the RPU to clear the condition.

 

• If the condition persists, contact Technical Support.

 

 

Fan LED is Flashing

• One or more fans are not operating properly.

Yellow

• Replace the unit as soon as possible.

 

 

A-1

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Contents Redundant Power Unit Page Redundant Power Unit User Guide Trademarks Limited Warranty Limited Warranty FCC Class B CompliancesIndustry Canada Class B Japan Vcci Class BEC Conformance Declaration Class B Australia AS/NZS 3548 1995 Class B Power Cord Set Vii Viii Compliances Audience Environmental StatementPurpose Table of Contents Table of Contents Overview Chapter About the Redundant Power UnitFeatures and Benefits LEDs Front and Rear PanelsPort Status LEDs Page Selecting a Site Chapter Installing Redundant Power UnitInstallation Optional Rack-Mounting Equipment Equipment ChecklistPackage Contents Rack Mounting MountingAttaching the Brackets Montage Rack Mounting German Desktop or Shelf Mounting Connecting Switches to the RPUPower Receptacle Connecting the RPU in a Stack Diagnosing RPU Indicators Appendix a TroubleshootingFlashing Yellow Power and Cooling ProblemsPhysical Characteristics Appendix B. SpecificationsCompliances Safety Page RPU IndexIndex Page Internet