ITU-T Rec. G.654 (1988) � Characteristics of a 1550 nm wavelength loss-minimized single-mode optical fibre cable
1 Fibre characteristics
    1.1 Mode field diameter
    1.2 Cladding diameter
    1.3 Mode field concentricity error
    1.4 Non-circularity
    1.5 Cut-off wavelength
    1.6 1550 nm bend loss performance
    1.7 Material properties of the fibre
    1.8 Example of fibre design guidelines
2 Factory length specifications
    2.1 Attenuation coefficient
    2.2 Chromatic dispersion coefficient
3 Elementary cable sections
ANNEX A � Meaning of the terms used in the Recommendation
ANNEX B � Test methods for loss-minimized single-mode fibres