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BSI 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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BSI 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

PUBLISH DATE 1989
PAGES 8
BSI BS 6789-6.2:1989
WITHDRAWN, 9/27/2012
Requirements for apparatus for connection, in series with a subscriber's main apparatus such as a telephone instrument or a data modem, to the Public Switched Telephone Networks (PSTN) either directly or when the series apparatus forms part of a Relevant Branch System for PSTN.
SDO BSI: British Standards Institution
Document Number 6789-6.2
Publication Date Feb. 28, 1989
Language en - English
Page Count 8
Revision Level
Supercedes
Committee TCT/301
Publish Date Document Id Type View
Feb. 28, 1989 BS 6789-6.2:1989 Revision