IEC 60870-3:1989
Telecontrol equipment and systems. Part 3: Interfaces (electrical characteristics)
                                
                                    Ausgabedatum:
                                    1989-05
                                    Edition:
                                        1.0
                                        
                                    Sprache: EN-FR - zweisprachig englisch/französisch
                                    Seitenzahl: 65                                    VDE-Artnr.: 202047
                                
                            
Defines the interface conditions to be fulfilled when connecting together the various elements of equipment needed to constitute a telecontrol system and enabling the user to manage such a system.

