Overview on IT Equipment Racks
A Quick Overview on IT Equipment Racks
IT Equipment Racks come if different types and styles for different uses.
There is an Enclosure style Cabinet – primarily used in Data Centers and Server Rooms.
There is Open Frame Post – Also used in Data Centers, and Wall Mount /Cabinet style, for use in smaller spaces typically in Classrooms,Retail, and public locations. Shown below.
Racks are measured in Rack Units - A rack unit, U or RU is a unit of measure for the height of electronic equipment designed to mount in a rack. One rack unit is typically 1.75 inches (44.45 mm) high.
- • The 19 inches (482.60 mm) reflects the width of the equipment mounting frame in the rack including the frame.
- • One rack unit is typically 1.75 inches (44.45 mm) high.
- • Equipment designed for racks is typically 17.25 in (438 mm) wide.
- • The height of rack-mounted equipment is frequently described as a number in "U". For example, one rack unit is often referred to as "1U", 2 rack units as "2U" and so on.
- • A typical full-size rack is 42U, which means it holds just over 6 feet (1.8 m) of equipment and can hold up to 42 rack units.
- • The rack mounting depth is important to make sure your equipment can fit. Dell, HP, and IBM all make servers ~30” (762mm) in depth. Racks designed for servers can be 42” (1066.8mm) or even larger to accommodate for cables, etc.
Rack equipment attaches to racks via the rack holes. Three types of rack holes are available in racks. Threaded, Round, and Square.
- • Square holes allow equipment to easily latch to the lip allowing ease and flexibility in installation.
- • Equipment not designed for square hole racks can still be used by simply using cage nuts that will fit in square hole rack rails.
- • All V7 Racks use Square Holes and include cage nuts
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