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BS 6789-6.1:1986

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Apparatus with one or more particular functions for connection to certain public switched telephone networks. Specification for series connected apparatus Apparatus having maximum allowable impairments
Available format(s)

Hardcopy , PDF

Withdrawn date

27-09-2012

Language(s)

English

Published date

31-12-1986

Foreword
Committees responsible
Specification
1. Scope
2. Abbreviations and definitions
3. General operating and test conditions
4. Marking
5. Information to be provided by the supplier
6. Electrical connection methods
7. Electrical characteristics: main apparatus
    functional
8. Electrical characteristics: series apparatus
    functional
9. Electrical characteristics: crosstalk in multi-line
    apparatus
Appendix
A. Methods of test
Tables
1. Single-line connection arrangements
2. Multi-line connection arrangements
3. Pulse distortion test conditions
Figures
1. Arrangement of series-connected apparatus
2. Measurement of harmonic distortion and insertion
    loss
3. Circuit arrangements for measuring certain
    characteristics
4. Measurement of circuit-to-circuit crosstalk on
    multi-line series apparatus
5. Arrangement for a derived REN test for the series
    apparatus

The values given for electrical characteristics represent the maximum impairment that may be introduced between a terminal apparatus and the NTP of Complete Branch System.

Committee
TCT/301
DevelopmentNote
Supersedes 83/61001 DC (09/2005) Inactive for the new design. (05/2007)
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Withdrawn

BS 6789-6.2:1989 Apparatus with one or more particular functions for connection to certain public switched telephone networks. Specification for series connected apparatus Apparatus having less than maximum allowable impairments
PD 6569-7:1992 Draft standard to match to and work with ETS 300 001/NET4 \'Apparatus with one or more particular functions for connection to public switched telephone networks run by certain public telecommunications operators\' Specification for apparatus with call barring facilities
PD 6565:1992 BS 6789-6.2:1989. Apparatus with one or moreparticular functions for connection to public switched telephonenetworks run by certain public telecommunications operators. Specification for series connected apparatus. Apparatushaving less than maximum allowable impairments
BS 7369:1991 Specification for multi-frequency tone signalling protocol for social alarm systems
PD 6571:1992 BS 6789-2:1992. Apparatus with one or more particularfunctions for connection to public switched telephone networks run bycertain public telecommunication operators. Specification forapparatus with loudspeaking facilities
BS 6789-7:1988 Apparatus with one or more particular functions for connection to public switched telephone networks run by certain public telecommunications operators Specification for apparatus with call barring facilities
PD 6566:1992 BS 6789-7:1988 AMD1. Apparatus with one or more particular functions for connection to public switched telephonenetworks run by certain public telecommunications operators. Specification for apparatus with call barring facilities
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
PD 6561:1992 BS 6789-1:1984 AMD1. Apparatus with one or more particular functions for connection to the BritishTelecommunications public switched telephone network. Specification for general requirements
PD 6569-6.1:1992 Draft standard to match to and work with ETS 300 001/NET4 \'Apparatus with one or more particular functions for connection to public switched telephone networks run by certain public telecommunications operators\'. Specification for series connected apparatus Apparatus having maximum allowable impairments
BS 6789-1:1984 Apparatus with one or more particular functions for connection to public switched telephone networks run by certain public telecommunications operators Specification for general requirements
PD 6564:1992 BS 6789-6.1:1986. Apparatus with one or moreparticular functions for connection to certain public switchedtelephone networks. Specification for series connectedapparatus. Apparatus having maximum allowable impairments\'

BS 4778(1979) : LATEST QUALITY VOCABULARY
BS 6450-4:1993 Private branch exchanges for connection to public switched telephone networks run by certain public telecommunications operators Specification for ports
BS 6317:1982 Specification for simple telephones for connection to public switched telephone networks run by certain public telecommunication operators
BS 6789-1:1984 Apparatus with one or more particular functions for connection to public switched telephone networks run by certain public telecommunications operators Specification for general requirements
BS 6320:1982 Specification for modems for connection to the British Telecommunications public switched telephone network
BS 6305:1982 Specification for general requirements for apparatus for connection to the British Telecommunications public switched telephone network
BS 6789-6.2:1989 Apparatus with one or more particular functions for connection to certain public switched telephone networks. Specification for series connected apparatus Apparatus having less than maximum allowable impairments

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