BS 6450-7:1990
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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
Hardcopy , PDF
01-05-2009
English
28-10-1990
Important note : Users cannot be edited or removed once added to your Multi user PDF.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Withdrawn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 |
| BS 4778(1979) : LATEST | QUALITY VOCABULARY |
| BS 6450-6.1(1986) : 1986 |
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