什么是標準機柜和非標準機柜

　　What are standard and non-standard cabinets

很多工程級的設備的面板寬度都采用19寸，所以19寸的機柜常見的一種標準機柜。

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

　　標準機柜的結構比較簡單，主要包括基本框架、內部支撐系統、布線系統、通風系統。19寸標準機柜外型有寬度、高度、深度三個常規指標。雖然對于19寸面板設備安裝寬度為465.1mm，但機柜的物理寬度常見的產品為600mm和800mm兩種。高度一般從0.7M-2.4M，根據柜內設備的多少和統一格調而定，通常廠商可以定制特殊的高度，常見的成品19寸機柜高度為1.6M和2M。機柜的深度一般從400mm-800mm，根據柜內設備的尺寸而定，通常廠商也可以定制特殊深度的產品，常見的成品19寸機柜深度為500mm、600mm、800mm。19寸標準機柜內設備安裝所占高度用一個特殊單位"U"表示，1U=44.45mm。使用19寸標準機柜的設備面板一般都是按nU的規格制造。對于一些非標準設備，大多可以通過附加適配檔板裝入19寸機箱并固定。

　　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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