Troubleshooting; Diagnosing Switch Indicators; Table A-1 Troubleshooting Chart - SMC Networks SMC TigerStack III SMC6826MPE Installation Manual

Diagnosing Switch Indicators

Symptom
PWR LED is Off
Diag LED is Amber
Diag LED is Flashing Amber
Stack LED is Flashing Green
or Amber
Link/Act LED is Off
T
ROUBLESHOOTING

Table A-1 Troubleshooting Chart

Action
• Internal power supply may be disconnected. Check connections
between the switch, the power cord and the wall outlet.
• The system has detected a fault. Power cycle the switch to try and
clear the condition.
• If the condition does not clear, contact your dealer for assistance.
• Check that all stacking cables are properly connected.
• The stack has not completed its initial configuration. Wait a few
minutes for the process to complete.
• If flashing continues, check that the Master Select button is pressed
in on only one switch.
• Check that all stacking cables are properly connected. Replace the
stacking cable if necessary.
• 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.
A
PPENDIX
A
A-1