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BS 6450-1:1983

Withdrawn Date published:

Warning: Withdrawn Standard. This document has been replaced by:

Private branch exchanges for connection to public switched telephone networks run by certain public telecommunication operators, Specification for general requirements

Specifies the requirements necessary for correct interworking with the analogue interfaces of the PSTN. Does not apply to PBXs for connection to shared service lines or 1 + 1 carrier systems, or to PBXs for connection in parallel with any other apparatus whose ringer equivalence number exceeds 0.3.

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Pages: 27

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BS 6450-1:1983

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