BS 6450-2:1993
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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 telecommunications operators Specification for private branch exchanges with terminating stations treated as an entirety
Hardcopy , PDF
01-05-2009
English
15-02-1993
Requirements for exchanges connected at the users\' premises to analogue interfaces of a PSTN for terminating stations and cabling treated with the private branch exchange as an entirety, or for other analogue interfaces of the PSTN.
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