00-1 Title Page

00-2 About This Document

00-3 Contents

01-01 Overview

01-02 Troubleshooting Workflow

01-03 Basic Concepts and Common Methods of Fault Locating

01-04 Service Interruptions

01-05 Transient Service Interruptions

01-06 Optical Power Abnormity

01-07 Bit Errors

01-08 A Fault in Pointer Justification

01-09 NE Offline Problems

01-10 Board Offline Problems

01-11 Automatic Switching Failures

01-12 Automatic Reverting Failures

01-13 Optical Power Management Problems

01-14 Ethernet Problems

01-15 ECC Problems

01-16 Clock Problems

01-17 Orderwire Problems

01-18 Interconnection Faults

02-A Remote Maintenance Guide

02-B Glossary