DS DS/EN 60297-5-104
DS DSEN 60297-5-104 2001-AUG-20 Mechancal structures for electronc equpment - Dmensons of mechancal structures of the 4826 mm 19 n seres - Part 5-104 Subracks and assocated plug-n unts - Keyng Replaced by DS DSEN 60297-3-103
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This part of IEC 60297 covers extended features of a retained keying method added to subracks and plug-in units with front panels according to IEC 60297-3, and IEC 60297-4 and IEC 60297-5-107. By implementing this extended feature to the subracks and plug-in units, a new subrack and plug-in unit type (incompatible with IEC 60297-3 and IEC 60297-4) is created.