Table of Contents

�1���� Scope��
�2���� References
�3���� Definitions
������� 3.1���� Terms defined elsewhere
������� 3.2���� Terms defined in this Recommendation��
�4���� Abbreviations and acronyms
�5���� Conventions
�6���� Characteristics and performance of the system���
������� 6.1���� Characteristics and performance of the digital line sections (DLS)
������� 6.2���� Characteristics and performance of the optical sections
������� 6.3���� System reliability performance��
������� 6.4���� System capacity upgradeability
�7���� Characteristics and performance of the TTE
������� 7.1���� General
������� 7.2���� Transmission performance��
������� 7.3���� Actions consequent to an alarm���
������� 7.4���� Automatic switching
�8���� Characteristics and performance of the submarine cable��
������� 8.1���� Dispersion mapping
������� 8.2���� Dispersion management implementation��
Annex A � Implementation of repeaterless optical fibre submarine cable systems����
������� A.1���� Introduction��
������� A.2�� ��System configuration��
������� A.3���� Characteristics of the line signal
������� A.4���� System operation��
������� A.5���� Passive branching unit characteristics
Annex B � Repeaterless optical fibre submarine cable systems using ROPA: Optical power budget between optical reference points S� and R and line monitoring����
������� B.1���� Remote optically pumped amplifiers (ROPAs)
������� B.2���� Optical power budget for systems using ROPA��
������� B.3���� Line monitoring for pumping portion��
Bibliography����