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  • I-ETS 300 004 : AUG 91

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    BUSINESS TELECOMMUNICATIONS (BT); TRANSMISSION CHARACTERISTICS AT 2-WIRE ANALOGUE INTERFACES OF A DIGITAL PRIVATE AUTOMATIC BRANCH EXCHANGE (PABX)

    Available format(s): 

    Withdrawn date:  01-10-2000

    Language(s): 

    Published date:  12-01-2013

    Publisher:  European Telecommunications Standards Institute

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

    1 Foreword
    2 Scope
    3 Related standards
    4 Definitions
      4.1 Definitions of interfaces
      4.2 Definition of parameters
    5 2-wire interface specifications
      5.1 Characteristics of interfaces
      5.2 Characteristics of half connections
    Annex A: Test networks for PABX input impedances at
             interfaces K2 and M2
    Annex B: Relative levels for K2 and M22 interfaces
             in dBr
    Annex C: Test networks for PABX input impedances at
             interface L2
    Annex D: Relative levels at interface L2 and M21 in dBr
    Annex E: Test networks for TBRL in different European
             Administrations
    Annex F: Compensation of losses on long or short 2-wire
             lines
    Annex G: Impedance unbalance about earth in different
             European Administrations
    Annex H: Discrimination against out-of-band signals applied
             to the input interface: Signals below 300 Hz
    Annex J: Single frequency noise (dBmO)
    Annex K: Return loss

    Abstract - (Show below) - (Hide below)

    Consists of characteristics for 2-wire interfaces which are involved in 2-wire connections with the public switched telephone network (PSTN).

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

    Committee BT 2
    Document Type Miscellaneous Product
    Publisher European Telecommunications Standards Institute
    Status Withdrawn

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

    ETR 063 : 20001 BUSINESS TELECOMMUNICATIONS (BT) - A SURVEY OF ANALOGUE ACCESSES TO THE PSTN NOT COVERED BY FINAL DRAFT prETS 300 001
    EG 202 192 : 1.1.2 SPEECH PROCESSING, TRANSMISSION AND QUALITY ASPECTS (STQ); COMPARISON OF PBX TRANSMISSION REQUIREMENTS IN ANSI/TIA-464-C AND ETSI ES 201 168 V1.2.1
    I.S. I-ETS 300 005:1992 BUSINESS TELECOMMUNICATIONS (BT) - TRANSMISSION CHARACTERISTICS AT 4-WIRE ANALOGUE INTERFACES OF A DIGITAL PRIVATE AUTOMATIC BRANCH EXCHANGE (PABX)
    I.S. I-ETS 300 003:1992 BUSINESS TELECOMMUNICATIONS (BT); TRANSMISSION CHARACTERISTICS OF DIGITAL - PRIVATE AUTOMATIC BRANCH EXCHANGES (PABXS)
    XP I ETS 300245-4 : 99 XP INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - TECHNICAL CHARACTERISTICS OF TELEPHONY TERMINALS - PART 4: ADDITIONAL EQUIPMENT INTERFACE (AEI)
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