国电104规约，是国电电力行业的远动通讯的行业标准。-Statute of the State Power 104 is the industry国电电力remote communications industry standards.

Amendment 1 to IEC 60870-5-104 Ed.1: Telecontrol equipment and systems - Part 5- 104: Transmission protocols - Functional enhancements to IEC 60870-5-104-Amendment 1 to IEC 60870-5-104 Ed.1: Telecontrol equipment and systems- Part 5- 104: Transmi