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Synchronous Optical NETwork (SONET)

Troubleshoot and Alerts

Field Notices
Describes non-urgent, usage related alerts about a specific product or technology.
Troubleshooting Guides
Provides information about how to troubleshoot a technology. Documents tagged with this document type will appear in the "Troubleshooting Guides" category on Cisco.com.
Troubleshooting TechNotes
Provides instructions to help or inform you.