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  2. Rack unit - Wikipedia

    en.wikipedia.org/wiki/Rack_unit

    Rack with sample component sizes including an A/V half-rack unit. A rack unit (abbreviated U or RU) is a unit of measure defined as 1 + 3 ⁄ 4 inches (44.45 mm). [1] [2] It is most frequently used as a measurement of the overall height of 19-inch and 23-inch rack frames, as well as the height of equipment that mounts in these frames, whereby the height of the frame or equipment is expressed ...

  3. 19-inch rack - Wikipedia

    en.wikipedia.org/wiki/19-inch_rack

    Although there is no standard for the depth of equipment, nor specifying the outer width and depth of the rack enclosure itself (incorporating the structure, doors and panels that contain the mounting rails), there is a tendency for 4-post racks to be 600 mm (23.62 in) or 800 mm (31.50 in) wide, and for them to be 600 mm (23.62 in), 800 mm (31. ...

  4. File:Server rack rail dimensions.svg - Wikipedia

    en.wikipedia.org/wiki/File:Server_rack_rail...

    Date/Time Thumbnail Dimensions User Comment; current: 00:32, 6 August 2007: 318 × 609 (30 KB): Sakurambo~commonswiki {{Information |Description=A section of rail from a 19" server rack unit, showing how typical rack units 1U through 4U are distributed among the mounting holes. |Source=Own work, based on the public-domain image [[w:Image:Server-Rack-Rail-

  5. Rack rail - Wikipedia

    en.wikipedia.org/wiki/Rack_rail

    The height of rack rail is determined by the number of rack units required for mounting the equipment. The design of racks and rack rails is specified in ECIA - EIA/ECA-310. Each rack unit (U) is equivalent to 1 + 3 ⁄ 4 in (44 mm). Most rack rail is in sizes from 2 units high (3 + 1 ⁄ 2 in or 89 mm) to 54 units high (78 + 3 ⁄ 4 in or ...

  6. International Standard Payload Rack - Wikipedia

    en.wikipedia.org/wiki/International_Standard...

    The rack weighs 104 kg (230 lb) and can accommodate an additional 700 kg (1,500 lb) of payload equipment. [1] The rack has internal mounting provisions to allow attachment of secondary structure. The ISPRs will be outfitted with a thin center post to accommodate sub-rack-sized payloads, such as the 483 mm ( 19-inch rack ) Spacelab Standard ...

  7. List of DIN standards - Wikipedia

    en.wikipedia.org/wiki/List_of_DIN_standards

    Rack and panel connectors, trapezoidal, round contacts ø1 mm; dimensions of type A; solder termination for free wiring: Active: DIN 41750-5: Rack and panel connectors, trapezoidal, round contacts ø1 mm; dimensions of type C; crimp termination for free wiring: Active: DIN 41782: Guidelines for the presentation of published data: Withdrawn: DIN ...