Telecommunications Rack Cabinnet in project of commercial appliactions YH00

19 - inch standard cabinet size table
The first thing to know is
( 1 ) u is a unit that represents the external size of the server and is an abbreviation of unit, 1u = 1.75 inches = 44.45 millimeters
( 2 ) there are 3 holes between 1u, the center hole is the center, the distance between the two far holes is 31.75, and the distance between the two mounting columns is 465
( 3 ) the specified size is the width ( 48.26 cm = 19 inches ) and height ( a multiple of 4.445 cm ) of the server. Since the width is 19 inches, the racks that meet this requirement are also referred to as " 19 - inch racks". The thickness is based on 4.445 cm, 1u being 4.445 cm. The following table shows:
19 - inch rack size table
Name type length * width * depth ( mm ) note
Standard cabinet 18u 1000 * 600 * 600
24u 1200 * 600 * 600
27u 1400 * 600 * 600
32u 1600 * 600 * 600
37u 1800 * 600 * 600
42u 2000 * 600 * 600
Server cabinet 42u 2000 * 800 * 800
37u 1800 * 800 * 800
24u 1200 * 600 * 800
27u 1400 * 600 * 800
32u 1600 * 600 * 800
37u 1800 * 600 * 800
42u 2000 * 600 * 800
Wall hanging cabinet 6u 350 * 600 * 450
9u 500 * 600 * 450
12u 650 * 600 * 450
15u 800 * 600 * 450
18u 1000 * 600 * 450

There are many kinds and styles of 19 - inch standard cabinet, there are import and domestic, price and performance gap is also very obvious. The prices of cabinets of the same size and grade may vary several times. The user to choose standard cabinet according to the specific situation of the installation of stacking equipment and budget comprehensive choice of appropriate products.
Standard cabinet structure is relatively simple, mainly including basic frame, internal support system, wiring system, ventilation system. The standard cabinet can be divided into many performance and price grades according to the assembly form and material selection. 19 inch standard cabinet appearance has three general indicators of width, height and depth. Although 465.1 mm is installed for 19 - inch panel devices, the physical width of the cabinet is common for both 600 mm and 800 mm.. Generally, the height is 0.32 - 2.0m, and the general cabinet size includes: 0.32 m, 0.45 m, 0.6 m, 1.0 m, 1.2 m, 1.4 m, 1.6 m, 1.8 m, 2.0 m, etc. According to the number of equipment in the cabinet and unified grid. Cabinet depth is generally from 350 mm to 1000 mm, according to the size of the equipment in the cabinet, usually manufacturers can also customize the special depth of the product, the common finished product 19 inch cabinet depth is 500 mm, 600 mm, 700 mm, 800 mm.. 19 inch standard cabinet equipment installation height in a special unit " u", 1u = 44.45 mm.. Equipment panels using 19 - inch standard cabinets are typically manufactured to nu ( n represents the quantity ). For some non-standard devices, most can be mounted and secured in a 19 - inch chassis by attaching an adapter bezel.
The material of the cabinet is closely related to the performance of the cabinet. the main materials for manufacturing 19 - inch standard cabinet are aluminum profile material and cold rolled steel plate. The cabinet made of aluminum material is light, suitable for stacking light equipment, and the price is relatively low. Aluminum materials also have imported and domestic points, due to the different texture of the cabinet made of physical properties also have a certain difference, especially in some larger specifications of the cabinet is more likely to show the difference. Cold - rolled steel sheet manufacturing machine cabinet has the characteristics of high mechanical strength and large bearing capacity. Similar products in the steel plate material thickness and quality and process are directly related to the quality and performance of the product, some cheap cabinet made of ordinary thin iron plate, although the price is cheap, appearance is good also, but the performance of natural discount greatly. High - quality cabinets are usually heavier in weight.
19 inch standard cabinet from the point of view of assembly, roughly integrated welding type and assembly type. Integrated welding type price is relatively cheap, welding process and product materials are the key to this kind of cabinet, some inferior products meet heavy load is easy to produce deformation. Assembly type is a popular form at present, the packaging is fragmented, can be quickly assembled when needed, and adjustment is convenient and flexible, some inferior products often interface parts is very rough, assembled than difficult, obvious shift. In addition, the manufacturing level and surface plastic spraying process of the external cabinet, as well as the fineness of the internal partition, guide rail, slide rail, wire groove, socket and accessory quality are also the reference indexes for measuring the quality of the standard cabinet. Good standard cabinet not only sedate, conform to the mainstream of safety norms, and equipment into a stable, fixed solid, cabinet door and side panels on both sides of the sealing is good, the cabinet equipment stress is uniform, and abundant accessories, can meet the needs of all kinds of applications.

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