标准摘要
[中文适用范围]： 涉及 482.6 毫米（19 英寸）系列的设备实践，其中带或不带注入器/提取器的插入式单元与符合 IEC 60603-2 的连接器一起使用。 [外文原描述]： 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 60603-2.
英文名称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