标准摘要
[中文适用范围]： 仅涵盖根据 IEC 60297-3-101 与子架和插件单元一起使用的定位销和键控设备的附加接口尺寸。也可与 IEC 60297-3-102 结合使用。 [外文原描述]： Covers only the additional interface dimensions for an alignment pin and a keying device used with subracks and plug-in units according to IEC 60297-3-101. May also be used in conjunction with IEC 60297-3-102.
英文名称Mechanical structures for electronic equipment - Dimensions of mechanical structures of the 482,6 mm (19 in) series - Part 3-103: Keying and alignment pin