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     Reference points  
 6     Co-location longitudinal compatibility       
        6.1     Crosstalk ratio between two FSO systems 
        6.2     Effect of the weather on crosstalk ratio       
        6.3     Case A – interference between two systems that can be at the same wavelength      
        6.4     Case B – interference between two systems which cannot be at the same wavelength          
        6.5     Procedure for establishing whether the conditions for co-location longitudinal compatibility are met    
 7     Optical safety considerations        
Appendix I – Example crosstalk calculations    
        I.1        Example 1           
        I.2        Example 2           
        I.3          Example 3