BS 6450-2:1993

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

BSI Group , 02/15/1993

$132.00 $264.16

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.Cross References:BS 4669BS 6301BS 6305BS 6312BS 6317BS 6450:Part 1BS 6450:Section 5.1BS 7266:Part 1CCITT Recommendation B.12CCITT Recommendation G.162CCITT Recommendation O.71CCITT Recommendation P.51CCITT Recommendation P.53CCITT Recommendation P.64CCITT Recommendation P.76BT Specification T4545BT Relay sheet 19/5Telecommunications Apparatus (Marking & Labelling) Order 1985 Telecommunications Apparatus (Marking & Labelling)(Amendment) Order 1985Telecommunications Act 1984