BS EN 60297-4: 1995 Mechanical structures for electronic equipment. Dimensions of mechanical structures of the 482.6 mm (19 in) series - Part 4. Subracks and associated plug-in units - Additional dimensions
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This part of IEC 297 relates to equipment practice of the 482,6 mm (19 in) series where plug-in units with or without injectors/extractors are used with connectors according to IEC 603-2. This part is intended to ensure mechanical interchangeability and intermateability between plug-in units and subracks.
Subracks and plug-in units need not conform with the examples illustrated in the figures, only the specific dimensions shall be applied. In the case of unspecified dimensions and tolerances the manufacturers are free to choose according to their needs.
The object of this part is to give specific dimensions and details for printed boards, plug-in units, injector/extractor and subrack injector/extractor operating surfaces. Printed boards and plug-in units use connectors according to IEC 603-2.
BS EN 60297-4: 1995 Mechanical structures for electronic equipment. Dimensions of mechanical structures of the 482.6 mm (19 in) series - Part 4. Subracks and associated plug-in units - Additional dimensions