Allied-telesis AT-8126XL Manuel d'utilisateur Page 6
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Chapter 3
Troubleshooting
...............................................................................................................................................................................................3-1
At the First Sign of a Problem ........................................................................................................................................................................3-1
Network Cabling Problems .............................................................................................................................................................................3-2
Calling Technical Support ...............................................................................................................................................................................3-3
How the Switch Reports Problems ...............................................................................................................................................................3-4
Common Problems ............................................................................................................................................................................................3-5
Link/Receive LED on Any Port is OFF.................................................................................................................................................. 3-5
Power LED is OFF ....................................................................................................................................................................................... 3-6
Fault LED is ON ........................................................................................................................................................................................... 3-6
Chapter 4
Switch Configurations
...................................................................................................................................................................................4-1
The Switch in a Standalone Configuration ................................................................................................................................................4-1
The Switch in Workgroup Configurations .................................................................................................................................................4-2
Appendix A
Translated Safety Information
.................................................................................................................................................................A-1
Appendix B
Technical Specifications
...............................................................................................................................................................................B-1
Appendix C
Switch Default Settings
................................................................................................................................................................................ C-1
- Installation 1
- Radiated Energy 3
- Table of Contents 5
- Purpose of This Guide 7
- How This Guide is Organized 7
- Document Conventions 8
- Where to Find Related Guides 9
- Hardware Description 11
- Hardware Features 13
- Network Management Features 14
- Switching Modes 15
- Physical Description 16
- Port LEDs 17
- RS232 Connector 17
- Reset Button 17
- System LEDs 18
- AC Power 18
- Connector 18
- Figure 1-6 19
- Where to Go Next 21
- Safety Information 24
- Preparing the Site 25
- To rack mount the unit 27
- MDA Package 29
- Contents 29
- MDA Installation 29
- Standoff 30
- 50-pin plug 30
- 50-pin receptacle 30
- Troubleshooting 35
- Network Cabling Problems 36
- Calling Technical Support 37
- Link/Receive 39
- LED on Any Port 39
- Power LED is 40
- Fault LED is ON 40
- Switch Configurations 43
- Figure 4-2 44
- Translated Safety Information 45
- Technical Specifications 55
- Switch Default Settings 57
- Index-ii 60
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