�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���� �����