BS 6789-6.2:1989

$27.00

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
standard by BSI Group, 02/28/1989

Document Format: PDF

Description

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. To be read in conjunction with BS 6789-1:1984,BS 6789-6.1:1986

Cross References:
BS 6305
BS 6789:Part 1
BS 6789:Section 6.1
CCITT Recommendation P.53
Telecommunications Act 1974