TY - GEN AU - International Electrotechnical Commission TI - IEC 61850-9-2:2011/AMD1:2020; Amendment 1 - Communication networks and systems for power utility automation - Part 9-2: Specific communication service mapping (SCSM) - Sampled values over ISO/IEC 8802-3 PY - 2020/// CY - Geneva PB - IEC ER -