We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
  • BS 6328-4:1985

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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 FOR CONNECTION TO PRIVATE CIRCUITS RUN BY CERTAIN PUBLIC TELECOMMUNICATION OPERATORS - SPECIFICATION FOR APPARATUS FOR CONNECTION TO TELEGRAPH CIRCUITS USING SCVF SIGNALLING

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  02-08-2013

    Language(s):  English

    Published date:  01-01-1985

    Publisher:  British Standards Institution

    Add to Watchlist

    Add To Cart

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

    Foreword
    Committees responsible
    Specification
    1. Scope
    2. Definitions and abbreviations
    3. Reference level
    4. General requirements
    5. Operational requirements
    6. Electrical requirements for apparatus other than
         specialized test apparatus
    7. Electrical requirements
    8. Connection requirements
    9. Marking
    10. Information to be provided by the supplier
    Appendices
    A. Advisory information on British Telecommunications
         plc telegraph private circuits using SCVF
         signalling
    B. Determination of return loss or impedance
    C. Measurement of longitudinal conversion loss
    D. Measurement of transverse conversion loss
    E. Measurement of longitudinal power level
    F. Signal power level determination
    G. Measurement of output frequency
    H. Advisory test for receive margin at 50 bauds
    J. Advisory test for transmitter distortion
    Tables
    1. Channel allocations
    2. Total transmit telegraph distortion
    3. Effective receive margin with FA and FZ nominal
    4. Effective receive margin with FA and FZ +/- 6 Hz
    Figures
    1. Load ZL for return loss measurements
    2. Longitudinal power level limits as a function of
         frequency
    3. Power level limits in the frequency range d.c. to
         3400 Hz
    4. Power level limits at frequencies above 3.4 kHz
    5. Circuit for the powering of apparatus
    6. Use of type A and type B modems
    7. Circuit for the measurement of longitudinal
         conversion loss
    8. Circuit for the measurement of transverse
         conversion loss
    9. Circuit for the measurement of longitudinal power
         level
    10. Circuit for the measurement of power level and
         frequency
    11. Advisory test circuit for the measurement of
         receive margin
    12. Advisory test circuit for the measurement of
         transmit distortion

    Abstract - (Show below) - (Hide below)

    Describes requirements for apparatus in household, business or office environments, including specialized test apparatus, connected to telegraph private circuits using SCVF signalling either directly or by means of connection to a relevant branch system for telegraph circuits, includes sections on definitions and abbreviations, reference level, general requirements, operational requirements, electrical requirements for apparatus other than specialized test apparatus, electrical requirements for specialized test apparatus, connection requirements, marking and information to be provided by the supplier.

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

    Committee TCT/2
    Development Note Supersedes 82/61160 DC and 86/64538 DC. (09/2005) Inactive for the new design. (01/2011)
    Document Type Standard
    Publisher British Standards Institution
    Status Withdrawn

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

    BS 800(1983) : AMD 4955 SPECIFICATION FOR RADIO INTERFERENCE LIMITS AND MEASUREMENTS FOR HOUSEHOLD APPLIANCES, PORTABLE TOOLS AND OTHER ELECTRICAL EQUIPMENT CAUSING SIMILAR TYPES OF INTERFERENCE
    BS 6301(1982) : AMD 5553 SPECIFICATION FOR SAFETY REQUIREMENTS FOR APPARATUS FOR CONNECTION TO BRITISH TELECOMMUNICATIONS NETWORKS
    BS 6320:1982 SPECIFICATION FOR MODEMS FOR CONNECTION TO THE BRITISH TELECOMMUNICATIONS PUBLIC SWITCHED TELEPHONE NETWORK
    BS 4727-3:GRP03(1971) : 1971 GLOSSARY OF ELECTROTECHNICAL POWER TELECOMMUNICATION ELECTRONICS LIGHTING & COLOUR TERMS - TERMS PARTICULAR TO TELECOMMUNICATIONS & ELECTRONICS - TELEGRAPHY INCLUDING FACSIMILE TERMINOLOGY
    BS 6312(1985) : 1985 SPECIFICATION FOR PLUGS FOR USE WITH BRITISH TELECOMMUNICATIONS LINE JACK UNITS
    • 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