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  • BS 6320:1992

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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    SPECIFICATION FOR MODEMS FOR CONNECTION TO PUBLIC SWITCHED TELEPHONE NETWORKS AND SPEECH BAND PRIVATE CIRCUITS RUN BY CERTAIN PUBLIC TELECOMMUNICATIONS OPERATORS

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  02-08-2013

    Language(s):  English

    Published date:  01-01-1992

    Publisher:  British Standards Institution

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

    Committees responsible
    Preface
    Foreword
    Specification
    1 Scope
    2 Abbreviations and definitions
    3 Safety
    4 Interface with the PSTN and/or speechband private
       circuits
    5 Connection arrangements
    6 Marking
    7 Information to be provided by the supplier
    8 Control of apparatus during test
    Tables
    1 Coordinates of limit curves for power level in a 10
       Hz bandwidth - speechband private circuits
    2 Coordinates of power level limit curve above 4 kHz
    Figures
    1 Power level limits in the frequency range 30 Hz to
       4000 Hz for speechband private circuits
    2 Power level limits at frequencies above 4 kHz
    3 Measurement of insertion loss - test circuit

    Abstract - (Show below) - (Hide below)

    Specifies requirements for modems and associated call setup equipment for connection at a NTP or through a NTP port to speechband private circuits or to a public switched telephone network. Applies to self contained modems and to integral modems (modems incorporated within terminal equipment) including the use of single or double dial up operation. Applies to apparatus meant for direct connection to a public telephone network. Does not apply to software or external apparatus that is necessary to produce conditions appropriate to any parameter of the modem under test.

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

    Committee TCT/2
    Development Note Supersedes 87/61563 DC & BS 6320(1982). (09/2005) Inactive for the new design. (01/2011)
    Document Type Standard
    Publisher British Standards Institution
    Status Withdrawn
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