scope:

The clause 5 of this standard describes a Blank Detail Specification for Optical Telecommunication Cables to used in ducts or direct buried application. It incorperates some minimum requirements common to all European Countries. The clause 6 describes the different options following these minimum requirements accepted as European Standards. The numerical values of these standard option existing in the different european countries have been under their own responsibility by each National Committe. The future updating and amendment of the table of clause 6 will be done in the same way. Detail Specifications may be prepared based on this Family Specification following in particular requirements of clauses 5 and 6. The parameters specified in this Standard may be affected by measurements uncertainty arising either from measurements errors or calibration errors due to a lack of suitable standards. Acceptance criteria shall be interpreted with respect to this consideration. The total uncertainty of measurements for this Standard shall be less than or equal to 0,05 dB for attenuation.