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 |
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.