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Apparatus for connection to private circuits run by certain public telecommunication operators Specification for apparatus for connection to wideband (FDM) circuits
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Available format(s): Hardcopy, PDF
Withdrawn date: 02-08-2013
Language(s): English
Published date: 28-09-1984
Publisher: British Standards Institution
ForewordCommittees responsibleSpecification1. Scope2. Definitions and abbreviation3. Reference level4. General requirements5. Electrical requirements6. Connection requirements7. Marking 8. Information to be provided by the supplierAppendicesA. Advisory information on British Telecommunications plc wideband (FDM) circuitsB. Methods of testFigures1. Maximum power level of discrete frequency components in the vicinity of the British Telecommunications plc reference pilot frequency2. Maximum permitted power levels close to the band edges at the input to group translating equipment3. Connection arrangements for group and supergroup links4. Attachments situated some distance from the interfaceTables1. Maximum 5s mean power levels of group and supergroup apparatus2. Level of signals received at the interface by the apparatus from a private group or supergroup link3. Performance of group and supergroup links
Specifies requirements for apparatus in household, business or office environments, to be connected to wideband (FDM) private circuits either directly or by means of connection to a relevant branch system for wideband (FDM) circuits.
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