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DIN EN 62056-7-6:2014
Electricity metering data exchange - The DLMS/COSEM suite - Part 7-6: The 3-layer, connection-oriented HDLC based communication profile (IEC 62056-7-6:2013); English version EN 62056-7-6:2013
Specifies the DLMS/COSEM 3-layer, connection-oriented HDLC based communication profile.
Deutsches Institut für Normung [din]