IEC 61334-4-32:1996 Distribution automation using distribution line carrier systems - Part 4: Data communication protocols - Section 32: Data link layer - Logical link control (LLC)
IEC 61334-5-1:2001 Distribution automation using distribution line carrier systems - Part 5-1: Lower layer profiles; The spread frequency shift keying (S-FSK) profile
IEC 62056-21:2002 Electricity metering - Data exchange for meter reading, tariff and load control - Part 21: Direct local data exchange
IEC 62056-3-1:2013 Electricity metering data exchange - The DLMS/COSEM suite - Part 3-1: Use of local area networks on twisted pair with carrier signalling
IEC 62056-4-7 Electricity metering data exchange - The DLMS/COSEM suite - Part 4-7: DLMS/COSEM transport layer for IP networks*, 2015-05-01 Update
IEC 62056-42:2002 Electricity metering - Data exchange for meter reading, tariff and load control - Part 42: Physical layer services and procedures for connection-oriented asynchronous data exchange
IEC 62056-46:2002 Electricity metering - Data exchange for meter reading, tariff and load control - Part 46: Data link layer using HDLC protocol