1 Scope
2
References
3
Terms and definitions
4
Abbreviations
5
Type of transmission medium
6
System margin
7
System specifications
7.1 Regenerator section lengths
7.2 Error performance
7.3 Receiver
dynamic range
7.4 Optical source
7.5 Operating wavelength range
7.6 Optical path allowances for multimode fibre systems
7.7 Optical path allowances for single-mode fibre systems
7.8 Equipment margin (Me)
7.9 Wavelength division multiplexing
8
Power feeding
9
Systems for short haul applications
10 Working conditions
11 Overall design features
12 Maintenance strategy
12.1 Type of supervision and fault location
12.2 Fault conditions and consequent actions
13 Safety considerations
Appendix I – Calculation of regenerator section length
I.1 Approaches
I.1.1 Worst-case approach
I.1.2 Statistical
approach
I.1.3 Semi-statistical approach
I.2 Statistical data form
I.3 Examples
I.4 An example of a statistical optical power budget