Ads
related to: 2u rack size in mm measurements
Search results
Results From The WOW.Com Content Network
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 ...
A 23-inch (580 mm) rack is used for housing telephone (primarily), computer, audio, and other equipment though is less common than the 19-inch rack. The size denotes the width of the faceplate for the installed equipment. The rack unit is a measure of vertical spacing and is common to both the 19 and 23-inch racks.
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 ...
A section of rail from a 19" server rack unit, showing how typical rack units 1U through 4U are distributed among the mounting holes. Date: 6 August 2007: Source: Own work, based on the public-domain image Server-Rack-Rail-Dimensions.gif at en.wikipedia: Author: Sakurambo: Permission (Reusing this file)
[4]: 5 It weighs 8 kg (17 lb 10 oz) and uses the standard 19-inch rack size, occupying 2U with a nominal height of 90 mm (3.5 in). [4]: 23 [5] The MKS-20 uses CEM3360 dual voltage controlled amplifier (VCA) integrated circuit chips. Inside the unit, there is a battery to power the memory unit.
A single card is 100 mm high. Taller cards add a 133.35 mm, so that a double height card is 233.35 mm high and a triple 366.7 mm high. Enclosure heights are multiples of 3U, with the cards always 33.35 mm (1.313 in) shorter than the enclosure. Two common heights are 3U (a 100 mm card in a 5.25 in (133.35 mm) subrack) and 6U (a 233.35 mm card in ...