DIN EN 62056-47-2007
电度表.电表读数、计价和负荷控制的数据交换.第47部分:IPv4网络用COSEM传输层
Electricity metering - Data exchange for meter reading, tariff and load control - Part 47: COSEM transport layers for IPv4 networks (IEC 62056-47:2006); German version EN 62056-47:2007, text in English