Mechanical structures for electronic equipment - Dimensions of mechanical structures of the 482,6 mm (19 in) series -- Part 5-105: Subracks and associated plug-in units - Alignment and/or earth pin.
电子设备的机械结构.482.6mm(19in)系列机械结构的尺寸.第5-105部分:机架和相关插件.定位和/或接地插脚