Title Page

About This Document

Contents

Precautions

Component Category

Tools and Instruments

Replacing the SCC Board with One of the Same TNxx Version

Replacing the SCC Board with One of a Different TNxx Version

Replacing the TN16XCH Board

Replacing the Cross-Connect Board

Replacing the Optical Transponder Board

Replacing the Tributary and Line Board

Replacing the PID Board

Replacing the SDH Board

Replacing the BPA Board

Replacing the EGSH Board

Replacing the Optical Multiplexer and Demultiplexer Board

Replacing the Optical Add and Drop Multiplexing Board

Replacing the Optical Amplifier Board

Replacing the Raman Amplifier Board

Replacing the Variable Optical Attenuator Board

Replacing the Optical Supervisory Channel Board

Replacing the Clock Board

Replacing the Optical Protection Board

Replacing the Spectrum Analyzer Board

Replacing the Optical Power and Dispersion Equalizing Board

Replacing the DAS1 Board

Replacing the AUX Board

Replacing the DCM

Replacing the Pluggable Optical Module

Replacing the EFI Frame

Replacing the EFI Board

Replacing the PIU Board

Replacing the Power Switch on the DC Power Distribution Box

Replacing the Fan Tray Assembly

Replacing the Air Filter

Replacing SDI Components