Apparatus for connection to private circuits run by certain public telecommunication operators. Specification for apparatus for connection to telegraph circuits using SCVF signalling

Published by	Publication Date	Number of Pages
BSI	10/31/1985	28

Category: BS

Description

BS 6328-4 – Apparatus for connection to private circuits run by certain public telecommunication operators. Specification for apparatus for connection to telegraph circuits using SCVF signalling

Specifies requirements for apparatus, including specialized test apparatus, to be connected to telegraph private circuits using SCVF signalling either directly or indirectly. Provides for safety of public telecommunications systems from electrical conditions originating in the connected apparatus and vice-versa, and minimizing interference with other users and the public telecommunication operators’ main transmission plant.

Cross References:
BS 800
BS 4727:Part 3:Group 03
BS 6301
BS 6312
BS 6320
BT Specification D 2487A
BT Specification RC 5565
BT Specification RC 519H
BT Specification RC 6083A
BT Specification S 1541
CCITT No. 2
CCITT Recommendation B.12
CCITT Recommendation R.20
CCITT Recommendation S.3
Telecommunications Act 1984