BS 6328-3:1983
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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 for connection to private circuits run by certain public telecommunication operators Specification for apparatus for connection to direct current circuits
Hardcopy , PDF
02-08-2013
English
31-01-1983
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Foreword
Committees responsible
Specification
1. Scope
2. Definitions
3. Reference level
4. General requirements
5. Electrical requirements
6. Connection requirements
7. Marking
8. Information to be supplied by the manufacturer
Appendices
A. Advisory information on British Telecommunications
plc private direct current circuits
B. Measurement of longitudinal power level
Tables
1. Connection arrangements for up to six circuits
2. Connection arrangements for more than six circuits
Figures
1. Circuit for the powering of apparatus
2. Power level limits in the frequency range 200 Hz to
3400 Hz
3. Power level limits at frequencies above 3.4 kHz
4. Longitudinal power level limits as a function of
frequency
5. Suggested circuit for testing the immunity of
apparatus to 50 Hz longitudinal interference
6. Circuit for the measurement of longitudinal power
level
Specifies requirements for apparatus to be connected to direct current private circuits run by certain telecommunications operators to minimize the risks of interference with other users. Direct current private circuits are intended for intruder or fire alarms and equipment operated by change in direct current or voltage.
| Committee |
TCT/301
|
| DevelopmentNote |
Supersedes 82/61159 DC and 84/61709 DC. (09/2005) Inactive for the new design. (01/2011)
|
| DocumentType |
Standard
|
| Pages |
24
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| BS 4727-3:GRP02(1971) : 1971 | GLOSSARY OF ELECTROTECHNICAL POWER TELECOMMUNICATION ELECTRONICS LIGHTING & COLOUR TERMS - TERMS PARTICULAR TO TELECOMMUNICATIONS & ELECTRONICS - TELEPHONY TERMINOLOGY |
| BS 4727-3:GRP01(1971) : 1971 | GLOSSARY OF ELECTROTECHNICAL POWER TELECOMMUNICATION ELECTRONICS LIGHTING & COLOUR TERMS - TERMS PARTICULAR TO TELECOMMUNICATIONS & ELECTRONICS - GENERAL TELECOMMUNICATION & ELECTRONICS TERMINOLOGY |
| BS 6301:1982 | Specification for safety requirements for apparatus for connection to British Telecommunications networks |
| BS 6305:1982 | Specification for general requirements for apparatus for connection to the British Telecommunications public switched telephone network |
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