• BS 6789-6.2:1989

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

BSI Group, 02/28/1989

Publisher: BS

File Format: PDF

$22.00$45.72


Published:28/02/1989

Pages:8

File Size:1 file , 800 KB

Note:This product is unavailable in Ukraine, Russia, Belarus

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

More BS standard pdf

BS PD CEN/TR 17603-32-07:2022

BS PD CEN/TR 17603-32-07:2022

Space engineering. Structural materials handbook-Thermal and environmental integrity, manufacturing aspects, in-orbit and health monitoring, soft materials, hybrid materials and nanotechnologies

$226.00 $452.12

BS PD CEN/TS 16157-10:2022

BS PD CEN/TS 16157-10:2022

Intelligent transport systems. DATEX II data exchange specifications for traffic management and information-Energy infrastructure publications

$189.00 $378.46

BS PD ISO/TS 5667-25:2022

BS PD ISO/TS 5667-25:2022

Water quality. Sampling-Guideline on the validation of the storage time of water samples

$175.00 $350.52

BS PD ISO/TR 3152:2022

BS PD ISO/TR 3152:2022

Road vehicles. Comparison between ISO 26262-12 and other parts of the ISO 26262 series to support motorcycle adaptation

$125.00 $251.46