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A-1
A
PPENDIX
A
T
ROUBLESHOOTING
Diagnosing Switch Indicators
Table A-1 Troubleshooting Chart
Symptom
Action
PWR LED is Off
• Internal power supply may be disconnected. Check connections
between the switch, the power cord and the wall outlet.
Diag LED is Amber
• 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.
Diag LED is Flashing Amber
• Check that all stacking cables are properly connected.
Stack LED is Flashing Green
or Amber
• 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.
Link/Act 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.
• 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.
Summary of Contents for 6826MPE
Page 2: ......
Page 20: ...FIGURES xiv ...
Page 40: ...NETWORK PLANNING 2 8 ...
Page 54: ...INSTALLING THE SWITCH 3 14 Stop bit One Data bits 8 Flow control none ...
Page 76: ...CABLES B 8 ...
Page 82: ...ORDERING INFORMATION D 2 ...
Page 88: ...GLOSSARY Glossary 6 ...
Page 92: ...INDEX Index 4 ...
Page 93: ......