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  • BS 6328-1:1985

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    APPARATUS FOR CONNECTION TO PRIVATE CIRCUITS RUN BY CERTAIN PUBLIC TELECOMMUNICATION OPERATORS - SPECIFICATION FOR APPARATUS FOR CONNECTION TO SPEECHBAND CIRCUITS

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  27-09-2012

    Language(s):  English

    Published date:  01-01-1985

    Publisher:  British Standards Institution

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

    Foreword
    Committees responsible
    Specification
    1. Scope
    2. Definitions
    3. Reference level
    4. General requirements
    5. Electrical requirements for apparatus other than
         specialized test apparatus
    6. Electrical requirements for specialized test
         apparatus
    7. Connection requirements
    8. Marking
    9. Information to be provided by the supplier
    Appendices
    A. Advisory information on British Telecommunications
         plc speechband circuits
    B. Determination of return loss or impedance
    C. Measurement of receive-to-transmit loss
    D. Measurement of longitudinal conversion loss
    E. Measurement of transverse conversion loss
    F. Measurement of longitudinal power level
    G. Measurement of receiving sensitivity and
         determination of crosstalk characteristic
    H. Signal power level determination
    Tables
    1. Availability of circuit schedules on various types
         of circuit
    2. Nominal insertion loss of scheduled speechband
         circuits at 800 Hz
    3. Parameters of scheduled speechband circuits
    4. Nominal insertion loss of unscheduled speechband
         circuits at 800 Hz
    5. Connection arrangements for up to six circuits
    6. Connection arrangements for more than six circuits
    7. Real ear loss values LEx
    8. Data required to calculate Z
    Figures
    1. Load ZL for return loss measurements
    2. Additional circuitry for testing apparatus in
         which direct currents flow
    3. Longitudinal power level limits as a function of
         frequency
    4. Power level limits in the frequency range d.c. to
         3400 Hz
    5. Power level limits at frequencies above 3.4 kHz
    6. Circuit for the powering of apparatus
    7. Circum-aural adaptor for occluded-ear simulator
         to BS 6310: 1982
    8. Tandem, omnibus and multipoint circuits
    9. Suggested circuit for testing the immunity of the
         apparatus to 50 Hz longitudinal interference
    10. Circuit for the measurement of longitudinal
         conversion loss
    11. Circuit for the measurement of transverse conversion
         loss
    12. Circuit for the measurement of longitudinal power
         level
    13. Measurement of the receiving sensitivity for
         apparatus with a loudspeaker
    14. Physical test arrangement for the measurement of
         the receiving sensitivity for apparatus with a
         loudspeaker

    Abstract - (Show below) - (Hide below)

    Gives requirements for apparatus in household, business or office environments, including specialized test apparatus, connected to speechband private circuits directly or by means of connection to a relevant branch system for speechband circuits, includes sections on definitions, reference level, general 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 84/63324 DC, 86/64474 DC and BS 6328-1(1982) (09/2005) Inactive for the new design. (05/2007)
    Document Type Standard
    Publisher British Standards Institution
    Status Withdrawn

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

    BS 4265(1977) : 1977 SPECIFICATION FOR CARTRIDGE FUSE LINKS FOR MINIATURE FUSES
    BS 4727-3:GRP02(1971) : 1971 GLOSSARY OF ELECTROTECHNICAL POWER TELECOMMUNICATION ELECTRONICS LIGHTING & COLOUR TERMS - TERMS PARTICULAR TO TELECOMMUNICATIONS & ELECTRONICS - TELEPHONY TERMINOLOGY
    BS 5428-9(1981) : 1981 MECHANICAL DESIGN FEATURES - PROGRAMME LEVEL METERS
    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
    BS 4727-1:GRP01(1983) : 1983 GLOSSARY OF ELECTROTECHNICAL POWER TELECOMMUNICATION ELECTRONICS LIGHTING AND COLOUR TERMS - TERMS COMMON TO POWER TELECOMMUNICATIONS AND ELECTRONICS - FUNDAMENTAL TERMINOLOGY
    BS 6301(1982) : AMD 5553 SPECIFICATION FOR SAFETY REQUIREMENTS FOR APPARATUS FOR CONNECTION TO BRITISH TELECOMMUNICATIONS NETWORKS
    BS 6310(1982) : 1982 SPECIFICATION FOR OCCLUDED EAR SIMULATOR FOR THE MEASUREMENT OF EARPHONES COUPLED TO THE EAR BY EAR INSERTS
    BS 6317:1982 SPECIFICATION FOR SIMPLE TELEPHONES FOR CONNECTION TO PUBLIC SWITCHED TELEPHONE NETWORKS RUN BY CERTAIN PUBLIC TELECOMMUNICATION OPERATORS
    BS 6305:1982 SPECIFICATION FOR GENERAL REQUIREMENTS FOR APPARATUS 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
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