机 柜 常 识（Cabinet knowledge）.docVIP

机 柜 常 识（Cabinet knowledge） Cabinet knowledge The cabinet capacity U is explained 19 inch standard cabinet, equipment installed height, with a special unit U, said 1U=44.45mm. U refers to the effective use of space inside the cabinet, the use of 19 inch standard cabinets of the standard equipment panels are usually made by n U specifications. For some non-standard devices, most can be loaded into an 19 inch enclosure via an additional adapter file and fixed. 42U cabinet is a common standard cabinet, in addition to 42U standard cabinet, 47U cabinets, 37U cabinets, 32U cabinets, 20U cabinets, 12U cabinets, 6U cabinets, but also some cabinet manufacturers of standing goods. 19 inch standard explanation The panel width of most engineering equipment is 19 inches, and the installation hole distance is 465mm. Therefore, as long as the cabinet can meet the installation of most 19 inch equipment, the cabinet is the standard cabinet. 1 inches =25.4mm 19 inches =482.6mm. 19 inch standard cabinet, with width, height, depth of three conventional indicators. The physical width of the cabinet is usually two kinds of 600mm and 800mm. Height generally from 0.7M-2.4M, depending on the amount of equipment in the cabinet and the unified style, usually manufacturers can customize a special height, common finished 19 inch standard cabinets, height of 1.6M, 1.8M and 2M. The depth of the cabinet is generally from 600mm-1000mm, according to the size of the equipment inside the cabinet, usually manufacturers can also customize special depth of products, the common finished 19 inch standard cabinet, the depth is 600mm, 700mm, 800mm, 900mm. 19, the standard cabinet structure is relatively simple, mainly including the basic framework, internal support system, wiring system, ventilation system. Cabinet purchase factor Server cabinet, network cabinet is made of cold rolled steel plate or section, used to store computer control equipment and related objects, can provide protection for storage devic