CONTENTS

 1     Scope          
 2     References
 3     Terms and definitions            
        3.1     Terms defined elsewhere          
        3.2     Terms defined in this Recommendation              
 4     Abbreviations and acronyms              
 5     Classification of optical interfaces    
        5.1     Applications   
        5.2     Reference points         
        5.3     Nomenclature              
        5.4     Single-channel interfaces at the reference points S_S and RS         
 6     Transverse compatibility      
 7     Parameter definitions           
        7.1     General information   
        7.2     Interface at point SS   
        7.3     Optical path parameters from S_S to RS 
        7.4     Interface at point RS   
 8     Parameter values    
 9     Optical safety considerations             
Appendix I – Measurement of transmitter (residual) dispersion OSNR penalty and optical path OSNR penalty    
Appendix II – Transponder elimination via single channel DWDM interfaces    
Bibliography