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Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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
08-02-2013
English
01-31-1983
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
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