We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
  • BS 6789-6.1:1986

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
    Add to Watchlist
    This Standard has been added successfully to your Watchlist.
    Please visit My Watchlist to see all standards that you are watching.
    Please log in or to add this standard to your Watchlist.
    We could not add this standard to your Watchlist.
    Please retry or contact support for assistance.
    You need to be logged in to add this standard to your Watchlist.
    Please log in now or create an account to add.
    You already added this Product in the Watchlist.

    APPARATUS WITH ONE OR MORE PARTICULAR FUNCTIONS FOR CONNECTION TO CERTAIN PUBLIC SWITCHED TELEPHONE NETWORKS - SPECIFICATION FOR SERIES CONNECTED APPARATUS - APPARATUS HAVING MAXIMUM ALLOWABLE IMPAIRMENTS

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  27-09-2012

    Language(s):  English

    Published date:  01-01-1986

    Publisher:  British Standards Institution

    Add to Watchlist

    Add To Cart

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

    Foreword
    Committees responsible
    Specification
    1. Scope
    2. Abbreviations and definitions
    3. General operating and test conditions
    4. Marking
    5. Information to be provided by the supplier
    6. Electrical connection methods
    7. Electrical characteristics: main apparatus
        functional
    8. Electrical characteristics: series apparatus
        functional
    9. Electrical characteristics: crosstalk in multi-line
        apparatus
    Appendix
    A. Methods of test
    Tables
    1. Single-line connection arrangements
    2. Multi-line connection arrangements
    3. Pulse distortion test conditions
    Figures
    1. Arrangement of series-connected apparatus
    2. Measurement of harmonic distortion and insertion
        loss
    3. Circuit arrangements for measuring certain
        characteristics
    4. Measurement of circuit-to-circuit crosstalk on
        multi-line series apparatus
    5. Arrangement for a derived REN test for the series
        apparatus

    Abstract - (Show below) - (Hide below)

    Describes requirements for series apparatus for connection, in series with a subscriber's main apparatus such as a telephone instrument or a data modem, to certain public switched telephone networks. Apparatus that performs a call routing function is not included. Does not apply to apparatus for connection to shared service lines or 1 + 1 carrier systems or as extensions on any forms of PBX or between the TJF of a PBX and the PSTN lines of the PBX. Includes abbreviations and definitions, general operating and test conditions, marking, information to be provided by the supplier, electrical connection methods and electrical characteristics.

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

    Committee TCT/2
    Development Note Supersedes 83/61001 DC (09/2005) Inactive for the new design. (05/2007)
    Document Type Standard
    Publisher British Standards Institution
    Status Withdrawn

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS 6789-6.2:1989 APPARATUS WITH ONE OR MORE PARTICULAR FUNCTIONS FOR CONNECTION TO CERTAIN PUBLIC SWITCHED TELEPHONE NETWORKS - SPECIFICATION FOR SERIES CONNECTED APPARATUS - APPARATUS HAVING LESS THAN MAXIMUM ALLOWABLE IMPAIRMENTS
    PD 6569-7:1992 DRAFT STANDARD TO MATCH TO AND WORK WITH ETS 300 001/NET4 "APPARATUS WITH ONE OR MORE PARTICULAR FUNCTIONS FOR CONNECTION TO PUBLIC SWITCHED TELEPHONE NETWORKS RUN BY CERTAIN PUBLIC TELECOMMUNICATIONS OPERATORS" - SPECIFICATION FOR APPARATUS WITH CALL BARRING FACILITIES
    PD 6565:1992 A DRAFT AMENDMENT TO BS 6789-6.2:1989 'APPARATUS WITH ONE OR MORE PARTICULAR FUNCTIONS FOR CONNECTION TO PUBLIC SWITCHED TELEPHONE NETWORKS RUN BY CERTAIN PUBLIC TELECOMMUNICATIONS OPERATORS - PART 6: SPECIFICATION FOR SERIES CONNECTED APPARATUS - SECTION 6.2 - APPARATUS HAVING LESS THAN MAXIMUM ALLOWABLE IMPAIRMENTS'
    BS 7369:1991 SPECIFICATION FOR MULTI-FREQUENCY TONE SIGNALLING PROTOCOL FOR SOCIAL ALARM SYSTEMS
    PD 6571:1992 TEXT FOR BS 6789-2:1992 'APPARATUS WITH ONE OR MORE PARTICULAR FUNCTIONS FOR CONNECTION TO PUBLIC SWITCHED TELEPHONE NETWORKS RUN BY CERTAIN PUBLIC TELECOMMUNICATION OPERATORS - PART 2: SPECIFICATION FOR APPARATUS WITH LOUDSPEAKING FACILITIES'
    BS 6789-7:1988 APPARATUS WITH ONE OR MORE PARTICULAR FUNCTIONS FOR CONNECTION TO PUBLIC SWITCHED TELEPHONE NETWORKS RUN BY CERTAIN PUBLIC TELECOMMUNICATIONS OPERATORS - SPECIFICATION FOR APPARATUS WITH CALL BARRING FACILITIES
    PD 6566:1992 A DRAFT AMENDMENT TO BS 6789-7:1988 'APPARATUS WITH ONE OR MORE PARTICULAR FUNCTIONS FOR CONNECTION TO PUBLIC SWITCHED TELEPHONE NETWORKS RUN BY CERTAIN PUBLIC TELECOMMUNICATIONS OPERATORS - PART 7: SPECIFICATION FOR APPARATUS WITH CALL BARRING FACILITIES'
    BS 6789-2:1984 APPARATUS WITH ONE OR MORE PARTICULAR FUNCTIONS FOR CONNECTION TO PUBLIC SWITCHED TELEPHONE NETWORKS RUN BY CERTAIN PUBLIC TELECOMMUNICATIONS OPERATORS - SPECIFICATION FOR APPARATUS WITH LOUDSPEAKING FACILITIES
    PD 6561:1992 A DRAFT AMENDMENT TO BS 6789-1:1984 'APPARATUS WITH ONE OR MORE PARTICULAR FUNCTIONS FOR CONNECTION TO THE BRITISH TELECOMMUNICATIONS PUBLIC SWITCHED TELEPHONE NETWORK - PART 1: SPECIFICATION FOR GENERAL REQUIREMENTS'
    PD 6569-6.1:1992 DRAFT STANDARD TO MATCH TO AND WORK WITH ETS 300 001/NET4 "APPARATUS WITH ONE OR MORE PARTICULAR FUNCTIONS FOR CONNECTION TO PUBLIC SWITCHED TELEPHONE NETWORKS RUN BY CERTAIN PUBLIC TELECOMMUNICATIONS OPERATORS" - SPECIFICATION FOR SERIES CONNECTED APPARATUS - APPARATUS HAVING MAXIMUM ALLOWABLE IMPAIRMENTS
    BS 6789-1:1984 APPARATUS WITH ONE OR MORE PARTICULAR FUNCTIONS FOR CONNECTION TO PUBLIC SWITCHED TELEPHONE NETWORKS RUN BY CERTAIN PUBLIC TELECOMMUNICATIONS OPERATORS - SPECIFICATION FOR GENERAL REQUIREMENTS
    PD 6564:1992 A DRAFT AMENDMENT TO BS 6789-6.1:1986 'APPARATUS WITH ONE OR MORE PARTICULAR FUNCTIONS FOR CONNECTION TO CERTAIN PUBLIC SWITCHED TELEPHONE NETWORKS - PART 6: SPECIFICATION FOR SERIES CONNECTED APPARATUS - SECTION 6.1 - APPARATUS HAVING MAXIMUM ALLOWABLE IMPAIRMENTS'

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

    BS 4778(1979) : LATEST QUALITY VOCABULARY
    BS 6450-4:1993 PRIVATE BRANCH EXCHANGES FOR CONNECTION TO PUBLIC SWITCHED TELEPHONE NETWORKS RUN BY CERTAIN PUBLIC TELECOMMUNICATION OPERATORS - SPECIFICATION FOR PORTS
    BS 6317:1982 SPECIFICATION FOR SIMPLE TELEPHONES FOR CONNECTION TO PUBLIC SWITCHED TELEPHONE NETWORKS RUN BY CERTAIN PUBLIC TELECOMMUNICATION OPERATORS
    BS 6789-1:1984 APPARATUS WITH ONE OR MORE PARTICULAR FUNCTIONS FOR CONNECTION TO PUBLIC SWITCHED TELEPHONE NETWORKS RUN BY CERTAIN PUBLIC TELECOMMUNICATIONS OPERATORS - SPECIFICATION FOR GENERAL REQUIREMENTS
    BS 6320:1982 SPECIFICATION FOR MODEMS FOR CONNECTION TO THE BRITISH TELECOMMUNICATIONS PUBLIC SWITCHED TELEPHONE NETWORK
    BS 6305:1982 SPECIFICATION FOR GENERAL REQUIREMENTS FOR APPARATUS FOR CONNECTION TO THE BRITISH TELECOMMUNICATIONS PUBLIC SWITCHED TELEPHONE NETWORK
    BS 6789-6.2:1989 APPARATUS WITH ONE OR MORE PARTICULAR FUNCTIONS FOR CONNECTION TO CERTAIN PUBLIC SWITCHED TELEPHONE NETWORKS - SPECIFICATION FOR SERIES CONNECTED APPARATUS - APPARATUS HAVING LESS THAN MAXIMUM ALLOWABLE IMPAIRMENTS
    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective