CONTENTS

�1���� Scope
�2���� References
������� 2.1���� Normative references
������� 2.2���� Informative references
�3���� Definitions
������� 3.1���� Terms defined in this Recommendation
������� 3.2���� Terms defined in other Recommendations
�4���� Abbreviations and acronyms
�5���� Coarse WDM and its applications
�6���� Nominal central wavelengths for coarse WDM systems
Appendix I � Central wavelength spacing and wavelength variation
Appendix II