Considers the standards related to layers 1-4 of the OSI reference model and describes the role and the functions carried out by each layer.
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IEC 60870-6-2 Ed. 1.0 b:1995
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Telecontrol equipment and systems – Part 6: Telecontrol protocols compatible with ISO standards and ITU-T recommendations – Section 2: Use of basic standards (OSI layers 1-4)
International Electrotechnical Commission , 10/31/1995
Pages: 83
