FAQs
IEC 60870-5-1:1990
Telecontrol equipment and systems. Part 5: Transmission protocols - Section One: Transmission...
IEC 60870-4:1990
Telecontrol equipment and systems. Part 4: Performance requirements
IEC 60870-3:1989
Telecontrol equipment and systems. Part 3: Interfaces (electrical characteristics)
IEC 60857:1986
Pre-recorded optical reflective videodisk system 'Laser vision' 60Hz/525 lines - M/NTSC
IEC 60857:1986/AMD2:1997
Amendment 2 - Pre-recorded optical reflective videodisk system 'Laser vision' 60Hz/525 lines -...
IEC 60857:1986/AMD1:1991
Amendment 1 - Pre-recorded optical reflective videodisk system 'Laser vision' 60Hz/525 lines -...
IEC 60856:1986
Pre-recorded optical reflective videodisk system 'Laser vision' 50Hz/625 lines - PAL
IEC 60856:1986/AMD2:1997
Amendment 2 - Pre-recorded optical reflective videodisk system 'Laser vision' 50Hz/625 lines -...
IEC 60856:1986/AMD1:1991
Amendment 1 - Pre-recorded optical reflective videodisk system 'Laser vision' 50Hz/625 lines -...
