• PD 7020:1996

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    Essential requirements for terminal equipment intended for connection to 2-wire analogue speechband leased lines of the public telecommunications network

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  31-01-2014

    Language(s):  English

    Published date:  15-06-1996

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Committees responsible
    Foreword
    1 Scope
    2 References
    3 Definitions, abbreviations and notation
    4 Conformance principles
    5 Connection requirements
    6 Electrical requirements
    7 Safety
    8 Electromagnetic compatibility
    Annexes
    A (normative) Requirements table
    B (informative) Information for test purposes
    C (informative) General conditions of test
    D (normative) Determination of impedance
    E (normative) Measurement of transverse conversion
          loss
    F (normative) Signal power level determination
    Tables
    1 Connection arrangements at line jack unit
    2 Coordinates of limit curves for power level in
          a 10 Hz bandwidth
    3 Coordinates of power level limit curve above
          4.0 kHz
    A.1 Connection requirements
    A.2 Electrical characteristics requirements table
    B.1 Identification of the implementation
    B.2 Environmental test conditions
    B.3 Additional information about the terminal equipment
    C.1 Tolerances of components and physical quantities
    F.1 Test applicable to clauses 6.3 and 6.4
    Figures
    1 Additional circuitry for testing TE in which
          direct currents flow
    2 Load ZL for return loss measurements
    3 Transverse conversion loss
    4 Limits of power level in a 10 Hz bandwidth of the
          output signal from the TE
    5 Power level limit above 4.0 kHz of the output
          from the TE
    6 Artificial line segment, 0.1 km length
    7 Circuit for the powering of TE
    E.1 Circuit for the measurement of transverse
          conversion loss
    List of references

    Abstract - (Show below) - (Hide below)

    Specifies the technical requirements under Section 22 of the Telecommunications Act 1984 for terminal equipment meant for connection to 2-wire analogue speechband leased lines of the public telecommunications network. Does not give any guarantee of correct terminal-to-terminal operation.

    General Product Information - (Show below) - (Hide below)

    Committee TCT/301
    Development Note Inactive for new design. (07/2001)
    Document Type Standard
    Publisher British Standards Institution
    Status Withdrawn

    Standards Referencing This Book - (Show below) - (Hide below)

    BS 6328-1(1982) : LATEST
    BS EN 60127-2:2014 Miniature fuses Cartridge fuse-links
    1989/336/EEC : 1989 COUNCIL DIRECTIVE OF 3 MAY 1989 ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES RELATING TO ELECTROMAGNETIC COMPATIBILITY
    BS 2045:1965 Preferred numbers
    BS 6312-1:1994 Connectors for analogue telecommunication interfaces Specification for plugs
    BS EN 60127-5:2017 Miniature fuses Guidelines for quality assessment of miniature fuse-links
    BS EN 60127-1 : 2006 MINIATURE FUSES - PART 1: DEFINITIONS FOR MINIATURE FUSES AND GENERAL REQUIREMENTS FOR MINIATURE FUSE-LINKS
    BS EN 60127-3:2015 Miniature fuses Sub-miniature fuse-links
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