Title Page

Contents

About This Document

General Model and Methods of Fault Locating

Fault Handling Flow

Troubleshooting Service Interruption

Troubleshooting Bit Errors

Troubleshooting Pointer Justification

Troubleshooting Equipment Interconnection

Troubleshooting Multiplex Section Protection Switching

Troubleshooting SNCP Switching

Troubleshooting Clock Protection Switching

Troubleshooting ECC

Troubleshooting Orderwire

Troubleshooting Ethernet

Special Maintenance Items

Regular Operation for Troubleshooting

Component Replacement

Remote Maintenance Guide

Inspecting and Cleaning the Optical Fiber Connectors

Glossary

Acronym and Abbreviation

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