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  • BS 6450-6.1(1993) : 1993

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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    PRIVATE BRANCH EXCHANGES FOR CONNECTION TO PUBLIC SWITCHED TELEPHONE NETWORKS RUN BY CERTAIN PUBLIC TELECOMMUNICATIONS OPERATORS - SIMPLE CALL-ROUTEING MODE (SCRM) - SPECIFICATION FOR THE SIMPLE CALL-ROUTEING MODE OF PBX OPERATION, WITH TERMINATING STATIONS TREATED AS AN ENTIRETY

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  01-05-2009

    Language(s):  English

    Published date:  01-01-1993

    Publisher:  British Standards Institution

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

    Committees responsible
    Foreword
    Specification
    Subsection 1. General requirements
    0. Introduction
    1. Scope
    2. Definitions
    3. Compliance principles
    4. General
    Subsection 2. Electrical characteristics
    5. General
    6. Selection of a PSTN line for the purposes of
        establishing an outgoing PSTN call
    7. PSTN signalling methods
    8. Incoming PSTN calls
    Subsection 3. Marking and information to be provided by
    the supplier
    9. Marking
    10. Information to be provided by the supplier
    Annex
    A. SCRM tests
    Table
    1. Information to be provided by the supplier
    Figures
    1. Relationship of this Section of BS 6450 with
        BS 6450: Part 1: 1993 and BS 6450: Part 2: 1993
    2. Circuit for determination of PSTN line selection
        and application of loop calling, unguarded
        signalling method

    Abstract - (Show below) - (Hide below)

    Specifies requirements for the simple call routeing mode (SCRM) of operation for a PBX connected at the user's premises to analogue interfaces of a PTSN for the terminating stations and their cabling that are treated with the PBX as an entirety. Includes definitions, marking and diagrams.

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

    Committee TCT/8
    Development Note Inactive for the new design. Supersedes 91/94268 DC and BS 6450-6.1(1986) (09/2005)
    Document Type Standard
    Publisher British Standards Institution
    Status Withdrawn
    Supersedes

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

    BS 6450-3.1:1993 PRIVATE BRANCH EXCHANGES FOR CONNECTION TO PUBLIC SWITCHED TELEPHONE NETWORKS RUN BY CERTAIN PUBLIC TELECOMMUNICATION OPERATORS - DIRECT DIALING IN ON PRIVATE BRANCH EXCHANGES - SPECIFICATION FOR DIRECT DIALING IN ON PRIVATE BRANCH EXCHANGES WITH TERMINATING STATIONS TREATED AS AN ENTIRETY
    BS PD7002(1996) : 1996 ESSENTIAL REQUIREMENTS FOR CONNECTION OF TERMINAL EQUIPMENT TO 2-WIRE ANALOGUE INTERFACES, WITHOUT CAPACITIVE TERMINATION, OF PUBLIC SWITCHED TELECOMMUNICATION NETWORKS USING EITHER THE EARTH CALLING, THE LOOP CALLING-DISCONNECT CLEARING, THE LOOP CALLING-GUARDED CLEARING OR THE LOOP CALLING-UNGUARDED CLEARING SIGNALLING METHOD
    BS 6450-4:1993 PRIVATE BRANCH EXCHANGES FOR CONNECTION TO PUBLIC SWITCHED TELEPHONE NETWORKS RUN BY CERTAIN PUBLIC TELECOMMUNICATION OPERATORS - SPECIFICATION FOR PORTS
    PD 7002:1996 ESSENTIAL REQUIREMENTS FOR CONNECTION OF TERMINAL EQUIPMENT TO 2-WIRE ANALOGUE INTERFACES, WITHOUT CAPACITIVE TERMINATION, OF PUBLIC SWITCHED TELECOMMUNICATION NETWORKS USING EITHER THE EARTH CALLING, THE LOOP CALLING-DISCONNECT CLEARING, THE LOOP CALLING-GUARDED CLEARING OR THE LOOP CALLING-UNGUARDED CLEARING SIGNALLING METHOD

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

    BS 6450-1(1993) : 1993 PRIVATE BRANCH EXCHANGES FOR CONNECTION TO PUBLIC SWITCHED TELEPHONE NETWORKS RUN BY CERTAIN PUBLIC TELECOMMUNICATIONS OPERATORS - SPECIFICATION FOR GENERAL REQUIREMENTS
    BS 6305(1992) : 1992 SPECIFICATION FOR GENERAL REQUIREMENTS FOR APPARATUS FOR CONNECTION TO PUBLIC SWITCHED TELEPHONE NETWORKS RUN BY CERTAIN PUBLIC TELECOMMUNICATION OPERATORS
    BS 6450-2(1993) : 1993 PRIVATE BRANCH EXCHANGES FOR CONNECTION TO PUBLIC SWITCHED TELEPHONE NETWORKS RUN BY CERTAIN PUBLIC TELECOMMUNICATIONS OPERATORS - SPECIFICATION FOR PRIVATE BRANCH EXCHANGES WITH TERMINATING STATIONS TREATED AS AN ENTIRETY
    BS 6450-7(1990) : 1990 PRIVATE BRANCH EXCHANGES FOR CONNECTION TO PUBLIC SWITCHED TELEPHONE NETWORKS RUN BY CERTAIN PUBLIC TELECOMMUNICATION OPERATORS - SPECIFICATION FOR THE PROCEDURE FOR IN-SERVICE OBSERVATION OF PBXS UNDERGOING TYPE APPROVAL
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