More info
Full 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
Product Details
Published: 02/28/1989 ISBN(s): 0580171833 Number of Pages: 8File Size: 1 file , 800 KB Product Code(s): 00192514, 00192514, 00192514 Note: This product is unavailable in United Kingdom