BS 6506:1984
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Code of practice for installation of private branch exchanges for connection to the British Telecommunications public switched telephone network
Hardcopy
23-07-2013
English
31-01-1985
Deals with the installation of PBXs for direct or indirect connection at the users\' premises to analogue interfaces of the BTs PSTN. Also gives information and recommendations for accommodation and cabling and wiring for the PBX.
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