equipment rack


 

  

  

  

  

equipment rack

Equipment mounted in several 19-inch racks. A row of 19-inch racks in a modern server farm. A typical section of 19-inch server rack rail.

A 19-inch rack is a standardized (EIA 310-D, IEC 60297 and DIN 41494 SC48D) system for mounting various electronic modules in a "stack", or rack, 19 inches (482. 6 mm) wide. Equipment designed to be placed in a rack is typically described as rack-mount, a rack mounted system, a rack mount chassis, subrack, or occasionally, simply shelf. Rack Mount Systems give a custom,.

Because of their origin as mounting systems for telephone switching equipment, they are still sometimes called relay racks, but the 19-inch rack format has remained a constant while the technology that is mounted within it has changed to completely different fields. This standard rack arrangement is widely used throughout the telecommunication, computing, and entertainment industries, as well as others.

The rack's mounting fixture consists of two parallel metal strips (also referred to as "rails") standing vertically. The strips are each 0. 625 inches (15. 875 mm) wide, and are separated by a gap of 17. - Pallet Rack, Cantilever Rack. 75 inches (450. 85 mm), giving an overall rack width of 19 inches (482. 6 mm). The strips have holes in them at regular intervals, with both strips matching, so that each hole is part of a horizontal pair with a center-to-center distance of 18. 3 inches (464. 82 mm). Suitable for all 19 inch.

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