IEC 60297-3-107:2012
電子設備機械結構.482.6 mm(19 in)系列的機械結構尺寸規格.第3-107部分:小波形因數的插箱和插件尺寸
Mechanical structures for electronic equipment - Dimensions of mechanical structures of the 482,6 mm (19 in) series - Part 3-107: Dimensions of subracks and plug-in units, small form factor