What Is Rack Standard?
The “rack” is a system for mounting devices inside cabinets and open frames. It is follow19inch EIA310standardized, and thanks to that, knowing the given device has rack-sized chassis, you can be certain it will fit into your cabinet.
Rack unit dimension definition
Installation Width
Based in inch: the common standard is 19inch, but for Some devices for small installations may use 10″ width, and some huge severs data cabinet may be built in 21″ width.
Installation Width
Height in U units – nominal height
For 19inch EIA standardization purposes, installation height in rack cabinets is based in U units, that can be used in every cabinet. 1U is 1,75inch, which is 44,45mm. Most cabinet and rack installed accessories available from 1U to 6U height.
Height in U units – nominal height
