CONTENTS

 1     Scope 
 2     References 
        2.1     Normative references         
        2.2     Informative references        
 3     Terms and definitions       
        3.1     Definitions 
        3.2     Terms defined in other Recommendations   
 4     Abbreviations   
 5     Classification of optical interfaces 
        5.1     Applications          
        5.2     Reference configurations    
        5.3     Nomenclature        
 6     Longitudinal compatibility 
 7     Parameters 
        7.1     Maximum and minimum attenuation per span          
        7.2     Fibre type  
        7.3     Operating wavelength range           
        7.4     Minimum and maximum chromatic dispersion per span       
        7.5     Minimum local chromatic dispersion coefficient       
        7.6     Maximum chromatic dispersion deviation    
        7.7     Maximum differential group delay   
        7.8     Minimum optical return loss at MPI-S_M or S_M        
        7.9     Maximum discrete reflectance between MPI‑S_M and MPI‑R_M        
 8     Optical safety considerations        
Appendix I – Theoretical limits and design considerations for DWDM systems    
        I.1        Enabling technologies and their limits         
        I.2        Other effects which limit transmission distance       
        I.3        Techniques used to mitigate impairments   
        I.4        Practical example 
BIBLIOGRAPHY