Cross References:BS 2045BS 6305BS 6317BS 6450:Part 1BS 6450:Part 2BS 6450:Section 5.1BS 6450:Section 6.1BS 6450:Part 7BS 6484CCITT Recommendation O.41Telecommunications Act 1984Health and Safety at Work etc. Act 1974
BS 6450-3.1:1993
Original price was: $264.16.$132.00Current price is: $132.00.
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
BSI Group , 01/15/1993
Pages: 30
