• BS 6450-5-5.1:1984

BS 6450-5-5.1:1984

Private branch exchanges for connection to public switched telephone networks run by certain public telecommunication operators.Facilities on private branch exchanges-Specification for facilities on private branch exchanges with terminating stations treated as an entirety

BSI Group , 09/30/1988

Publisher: BS

File Format: PDF

$154.00$309.88


Specifies requirements for facilities on PBXs within the scope of BS 6450:Part 2:1983.

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