什么是标准机柜和非标准机柜

　　What are standard and non-standard cabinets

很多工程级的设备的面板宽度都采用19寸，所以19寸的机柜常见的一种标准机柜。

　　Many engineering grade equipment use a 19 inch panel width, so a 19 inch cabinet is a common standard cabinet.

　　标准机柜的结构比较简单，主要包括基本框架、内部支撑系统、布线系统、通风系统。19寸标准机柜外型有宽度、高度、深度三个常规指标。虽然对于19寸面板设备安装宽度为465.1mm，但机柜的物理宽度常见的产品为600mm和800mm两种。高度一般从0.7M-2.4M，根据柜内设备的多少和统一格调而定，通常厂商可以定制特殊的高度，常见的成品19寸机柜高度为1.6M和2M。机柜的深度一般从400mm-800mm，根据柜内设备的尺寸而定，通常厂商也可以定制特殊深度的产品，常见的成品19寸机柜深度为500mm、600mm、800mm。19寸标准机柜内设备安装所占高度用一个特殊单位"U"表示，1U=44.45mm。使用19寸标准机柜的设备面板一般都是按nU的规格制造。对于一些非标准设备，大多可以通过附加适配档板装入19寸机箱并固定。

　　The structure of a standard cabinet is relatively simple, mainly including the basic framework, internal support system, wiring system, and ventilation system. The appearance of a 19 inch standard cabinet has three common indicators: width, height, and depth. Although the installation width for 19 inch panel equipment is 465.1mm, the common physical widths for cabinets are 600mm and 800mm. The height generally ranges from 0.7M to 2.4M, depending on the number of equipment inside the cabinet and the uniform style. Manufacturers can usually customize special heights, and common 19 inch cabinets have heights of 1.6M and 2M. The depth of the cabinet generally ranges from 400mm to 800mm, depending on the size of the equipment inside the cabinet. Manufacturers can also customize products with special depths. Common 19 inch cabinets have depths of 500mm, 600mm, and 800mm. The height occupied by the installation of equipment in a 19 inch standard cabinet is represented by a special unit "U", with 1U=44.45mm. Equipment panels using 19 inch standard cabinets are generally manufactured according to the specifications of 1U. For some non-standard devices, they can mostly be installed and fixed in a 19 inch chassis through an additional adapter board.

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