CONTENTS

�1���� Scope�
�2���� References�
�3���� Terms and definitions�������
�4���� Abbreviations���
�5���� Characteristics and performance of the system������
������� 5.1���� Characteristics and performance of the digital line sections��
������� 5.2���� Characteristics and performance of the optical sections�������
������� 5.3���� System reliability performance��������
�6���� Characteristics and performance of the terminal equipment
������� 6.1���� General��
������� 6.2���� Transmission performance��
������� 6.3���� Actions consequent to an alarm������
������� 6.4���� Automatic switching�����������
�7���� Characteristics and performance of the repeater���
������� 7.1���� Characteristics of the signal at the optical interface��
������� 7.2���� Jitter performance��
�8���� Characteristics and performance of the cable��������
������� 8.1���� Transmission characteristics�����������
������� 8.2���� Mechanical characteristics and resistance to the environment�����������
������� 8.3���� Electrical characteristics�����
Annex A � Implementation of regenerative 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���� Repeater and branching unit characteristics ����