Replacing the SCC Board with One of the Same TNxx Version
Replacing the SCC Board with One of a Different TNxx Version
Replacing the Cross-Connect Board
Replacing the Optical Transponder Board
Replacing the Tributary and Line 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 Optical Protection Board
Replacing the Spectrum Analyzer Board
Replacing the Optical Power and Dispersion Equalizing Board
Replacing the Pluggable Optical Module
Replacing the Power Switch on the DC Power Distribution Box