Microsoft Word EN50090 4 2{2003}e doc Li ce ns ed C op y W an g B in , I S O /E xc ha ng e C hi na S ta nd ar ds In fo rm at io n C en tr e, 1 3 Ju ly 2 00 4, U nc on tr ol le d C op y, ( c) B S I BRI[.]
Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 13 July 2004, Uncontrolled Copy, (c) BSI British Standard A single copy of this British Standard is licensed to Wang Bin 13 July 2004 This is an uncontrolled copy Ensure use of the most current version of this document by searching British Standards Online at bsonline.techindex.co.uk Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 13 July 2004, Uncontrolled Copy, (c) BSI BRITISH STANDARD Home and Building Electronic Systems (HBES) — Part 4-2: Media independent layers — Transport layer, network layer and general parts of data link layer for HBES Class The European Standard EN 50090-4-2:2004 has the status of a British Standard ICS 35.100.05; 97.120 12&23