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BS 6450-2:1993

$142.49

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

Published By Publication Date Number of Pages
BSI 1993 32
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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.

BS 6450-2:1993
$142.49