ITU-T Rec. G.653 (1988) � Characteristics of a dispersion-shifted 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 performance
    1.7 Material properties of the fibre
    1.8 Refractive index profile
2 Factory length specifications
    2.1 Attenuation coefficient
    2.2 Chromatic dispersion coefficient
3 Elementary cable sections
    3.1 Attenuation
    3.2 Chromatic dispersion
ANNEX A � Meaning of the terms used in the Recommendation
ANNEX B � Test Methods for dispersion-shifted single-mode fibres