Recommendation ITU-T G.698.5 (01/2024) Multichannel DWDM applications with single-channel optical interfaces in the O-band
Summary
History
FOREWORD
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 Classification of optical interfaces
     6.1 Applications
     6.2 Reference points
     6.3 Nomenclature
7 Transverse compatibility
8 Parameter definitions
     8.1 General information
          8.1.1 Bit-rate/line coding of optical tributary signals
          8.1.2 Maximum bit-error ratio
          8.1.3 Fibre type
     8.2 Interface at point SS
          8.2.1 Maximum and minimum mean channel output power
          8.2.2 Minimum and maximum central frequency
          8.2.3 Maximum spectral excursion
          8.2.4 Minimum channel extinction ratio
          8.2.5 Eye mask
     8.3 Optical path from SS to RS
          8.3.1 Maximum and minimum channel insertion loss
          8.3.2 Maximum ripple
          8.3.3 Chromatic dispersion range
          8.3.4 Minimum optical return loss at SS
          8.3.5 Maximum discrete reflectance between SS and RS
          8.3.6 Maximum differential group delay
          8.3.7 Maximum interchannel crosstalk at RS
          8.3.8 Maximum interferometric crosstalk at Rs
     8.4 Interface at point RS
          8.4.1 Maximum and minimum mean channel input power
          8.4.2 Receiver sensitivity
          8.4.3 Maximum optical path penalty
          8.4.4 Maximum reflectance of receiver or optical network element
9 Parameter values
10 Optical safety considerations