BS 6789-6.1:1986
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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
Hardcopy , PDF
27-09-2012
English
31-12-1986
Important note : Users cannot be edited or removed once added to your Multi user PDF.
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Withdrawn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 |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.