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Full Description

Specifies requirements for apparatus, including specialized test apparatus, to be connected to baseband private circuits either directly or indirectly. Provides for safety of public telecommunication systems from electrical conditions originating in the connected apparatus and vice-versa, and the public telecommunication operators' main transmission plant.

Cross References:
BS 4265
BS 4727:Part 1:Group 01
BS 4727:Part 3:Group 01
BS 4727:Part 3:Group 02
BS 6301
BS 6305
BS 6312
BS 6328:Part 1
BT Specification M2487A
CCITT Recommendation B.12
CCITT Recommendation O.71
Telecommunications Act 1984