00-1 Title Page

00-2 Contents

00-3 About This Document

01-01 Overview

01-02 Fault Handling Flow

01-03 Basic Thoughts and Methods of Fault Locating

01-04 Rectifying Service Interruption

01-05 Rectifying Transient Interruption

01-06 Rectifying Optical Power Abnormity

01-07 Rectifying Bit Errors

01-08 Rectifying NE Offline Problems

01-09 Rectifying Automatic Switching Failure

01-10 Rectifying Automatic Reverting Failure

01-11 Rectifying Optical Power Management Problems

01-12 Rectifying Ethernet Problems

01-13 Rectifying ECC Problems

01-14 Rectifying Orderwire Problems

02-A Remote Maintenance Guide

02-B Glossary

02-C Acronyms and Abbreviations