1 Scope
2
References
3
Terms and definitions
3.1 Definitions
3.2 Terms defined in other Recommendations
4
Abbreviations
5
Characteristics and performance of the system
5.1 Characteristics and performance of the digital line sections
5.1.1 Characteristics of the digital signals at
the system interface
5.1.2 Overall error performances
5.1.3 System availability
5.1.4
Jitter performances
5.1.5 Performance allocation between portions
of the system
5.2 Characteristics and performance of the optical sections
5.2.1 Optical power budget
5.2.2 Optical fibre amplifiers applications
5.3 System reliability performance
6
Characteristics and performance of the terminal equipment
6.1 General
6.2 Transmission performance
6.2.1 Characteristics of the digital signal at
the system interface
6.2.2 Characteristics of the signal at the
optical interface
6.2.3 Jitter performances
6.3 Actions consequent to an alarm
6.4 Automatic switching
7
Characteristics and performance of the submarine cable
7.1 Scope
7.2 Transmission characteristics
7.3 Mechanical characteristics and resistance to the environment
7.3.1 Fibre protection by the cable structure
7.3.2 Fibre mechanical performance
7.3.3 Cable mechanical performance
7.3.4 Cable protection0
Annex A – Implementation of repeaterless optical fibre submarine cable systems
A.1 Introduction
A.2 System configuration
A.2.1 Constituents of repeaterless optical
fibre submarine cable systems
A.2.2 Transmission configuration
A.2.3 Supervision and remote maintenance of the
system
A.2.4 System integration
A.3 Characteristics of the line signal
A.3.1 Structure of the line signal
A.3.2 Line error ratio
A.4 System
operation
A.4.1 Terminal-to-terminal communication
A.5 Passive branching unit characteristics
A.5.1 General
A.5.2 BU constituents
A.6 Manufacturing and installation
A.6.1 Quality in repeaterless optical fibre
submarine cable systems
A.6.2 Assembly and laying procedure
A.6.3 System commissioning
A.7 Maintenance
A.7.1 Routine
maintenance
A.7.2 Maintenance at sea
Annex B – Repeaterless optical fibre submarine cable systems using remotely
pumped optical amplifiers: Optical power budget between optical reference
points S and R
B.1 Remotely pumped optical amplifiers
B.2 Optical power budget for systems using remotely pumped optical
amplifiers