SMC Networks SMC TigerAccess SMC7824M/ESW - Manual (Page 65)

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PPENDIX
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T
ROUBLESHOOTING
Diagnosing Switch Indicators
This switch can be easily monitored through panel indicators to identify
problems. The table below describes common problems you may
encounter and possible solutions.
Table A-1 Diagnosing Switch Indicators
Symptom Possible Cause Action
Power Module
LED is off
-48 VDCor AC
Power outlet,
power cord, or
power module may
be defective.
• If using a DC power
conversion module, check the
connections between the
switch and the external DC
power supply. If using an AC
power module, check
connections between the
switch, the power cord, and
the wall outlet.
• Contact your dealer for
assistance.
Power Module
LED is off
+12 VDC
Power module may
be defective.
• Internal power supply has
failed. Contact your local
dealer for assistance.
Diag LED is off Boot-up diagnostic
program has
detected a problem.
• Power cycle the switch to try
and clear the condition.
• If the condition does not clear,
contact your local dealer for
assistance.