Home / Standards / GB/T 17215.631-2018 GB/T 17215.631-2018 Active Electricity metering data exchange—The DLMS/COSEM suite—Part 31: Use of local area networks on twisted pair with carrier signalling 电测量数据交换 DLMS/COSEM组件 第31部分:基于双绞线载波信号的局域网使用 Standard Type GBT ICS 17.220.20 CCS N22 Status 现行 Issue Date 2018-12-28 Implementation 2019-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A