BS EN 61850-9-2:2011 Communication networks and systems for power utility automation. Specific communication service mapping (SCSM). Sampled values over ISO/IEC 8802-3
2012BS EN 61850-9-2:2011 Communication networks and systems for power utility automation. Specific communication service mapping (SCSM). Sampled values over ISO/IEC 8802-3
2004BS EN 61850-9-2:2004 Communication networks and systems in substations. Specific communication service mapping (SCSM). Sampled values over ISO/IEC 8802-3