KS C IEC 62056-42-2005(2020) Electricity metering-Data exchange for meter reading, tariff and load control-Part 42:Physical layer services and procedures for connection-oriented asynchronous data exchange
2005KS C IEC 62056-42:2005 Electricity metering-Data exchange for meter reading, tariff and load control-Part 42:Physical layer services and procedures for connection-oriented asynchronous data exchange