TY - GEN AU - International Electrotechnical Commission TI - IEC 61850-8-1:2011/AMD1:2020 ; Amendment 1 - Communication networks and systems for power utility automation - Part 8-1: Specific communication service mapping (SCSM) - Mappings to MMS (ISO 9506-1 and ISO 9506-2) and to ISO/IEC 8802-3 PY - 2020/// CY - Geneva PB - IEC ER -