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BSI
BS 6450-7:1990

BS 6450-7:1990

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Private branch exchanges for connection to public switched telephone networks run by certain public telecommunication operators Specification for the procedure for in-service observation of PBXs undergoing type approval

Available format(s)

Hardcopy , PDF

Withdrawn date

01-05-2009

Language(s)

English

Published date

28-10-1990

Publisher

British Standards Institution

Specifies the assessment of PBXs against the integrity of service requirements in BS 6450-1:1983 and the observation of PBXs against appropriate Parts of BS 6450 under operational conditions.

Committee
W/-
DevelopmentNote
Inactive for new design. (08/2001) Supersedes 89/94511 DC and BS 6450-7(1984) (09/2005)
DocumentType
Standard
Pages
14
PublisherName
British Standards Institution
Status
Withdrawn
Supersedes

BS 6450-3.1:1993 Private branch exchanges for connection to public switched telephone networks run by certain public telecommunication operators. Direct dialling in on private branch exchanges Specification for direct dialling in on private branch exchanges with terminating stations treated as an entirety
BS 6450-6.1:1993 Private branch exchanges for connection to public switched telephone networks run by certain public telecommunications operators. Simple call-routeing mode (SCRM) Specification for the simple call-routeing mode of PBX operation, with terminating stations treated as an entirety
BS 6450-1:1993 Private branch exchanges for connection to public switched telephone networks run by certain public telecommunications operators Specification for general requirements

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Hardcopy - English
PDF - English
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