SMC Networks 1000 - Manual (Page 41)

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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, check for loose power connections,
power losses or surges at the power outlet, and verify that the fans
Troubleshooting Chart
Symptom Action
Power LED is Off • Internal or redundant power supply has failed or
is disconnected.
• Check connections between the switch, the
power cord, the wall outlet, and the RPU if you
are using one.
• Contact SMC 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.
• 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.