IEC 60297 PDF

IEC Dimensions of Mechanical Structures of the mm (19 in) Series Part 1: Panels and Racks. IEC Mechanical structures for electronic equipment – Dimensions of mechanical structures of the ,6 mm (19 in) series – Part Basic. IEC Dimensions of Mechanical Structures of the mm (19 Inch) Series Part 2: Cabinets and Pitches of Rack Structures.

Author: Jugar Dailabar
Country: Cyprus
Language: English (Spanish)
Genre: Photos
Published (Last): 12 January 2011
Pages: 173
PDF File Size: 17.86 Mb
ePub File Size: 18.81 Mb
ISBN: 190-1-59147-747-5
Downloads: 59225
Price: Free* [*Free Regsitration Required]
Uploader: Maushura

The inch rack format with rack-units of 1. The height of a rack can vary from a few inches, such as in a broadcast console, to a floor mounted rack whose interior is 45 rack units A series of studies led to the adoption of frames 7 feet 2. Equipment designed to be placed in a rack is typically described as rack-mountrack-mount instrumenta rack mounted systema rack mount chassissubrackrack mountableor occasionally simply shelf.

602297 using this site, you agree to the Terms of Use and Privacy Policy.

The distance of the right edge of the right mounting rail to the left edge of the left mounting rail is millimetres Nineteen-inch racks in two-post or four-post form hold most equipment in modern data centersISP facilities, 600297 professionally designed corporate server rooms.

Physical Protection, are available, [10] with Zone 4 representing the most demanding environment. The posts have holes in them at regular intervals, with both ice matching, so that each hole is part of a horizontal pair with a center-to-center distance of The gap between the posts is millimetres With the prevalence of inch racks in the Telecoms industry, the same practice is also common, but with equipment eic inch and inch brackets available, enabling them to be mounted in existing racks.

  BURULMA MOMENTI PDF

Patent 2,granted Oct. An enclosed sealed cabinet with forced air fans permits air filtration to protect equipment from dust.

The earliest repeaters from were installed in ad-hoc fashion on shelves, in wooden boxes and cabinets. Racks carrying telecom equipment like routers and switches often have extra width to accommodate the many cables on the sides.

Hole spacing is 25 millimetres 0. In the event of a nut being stripped out or a ie breaking, the nut can be easily removed and replaced with a new one. They allow for dense hardware configurations without occupying excessive floorspace or requiring shelving.

However, not all equipment is suitable for this type of mounting.

From Wikipedia, the free encyclopedia. Rack-mountable equipment is traditionally mounted by bolting or clipping its front panel to the rack. As a result, 4-post racks have become common, with such racks featuring a mirrored pair of rear mounting posts.

In other projects Wikimedia Commons. Racks are divided into regions, Low-wattage devices may not employ active cooling, but use only passive thermal radiation and convection to dissipate heat.

inch rack – Wikipedia

Common uses include server, telecom, broadcast video, lighting, audio, and scientific lab equipment. Slides or rails for computers and other data processing equipment such as disk arrays or routers often need to be purchased directly from the equipment manufacturer, as there is no standardization on such equipment’s thickness measurement from the side of the rack to the equipment or means for mounting to the rail.

  ALBUM LITERAR GASTRONOMIC 1982 PDF

These cases can be isolated by thick layers of foam or may use spring-loaded shock mounting. A third common use for rack-mounted equipment is industrial power, control, and automation hardware.

For instance, most optical disc players will not work upside-down because the driving motor mechanism does not grip the disc.

19-inch rack

Open Rack is a mounting system designed by Facebook ‘s Open Compute Project that has the same outside dimensions as typical inch racks e. The outer shell is frequently embossed in a self-mating pattern to combat the tendency for stacked cases to deform slightly creating a slope that encourages the upper case to slide off.

Although open-frame racks are the least expensive, they also expose air-cooled equipment to dust, lint, and other environmental contamination.

The holes in the posts are arranged vertically in repeating sets of three, with center-to-center separations of 0. A rack’s mounting fixture consists of two parallel metal strips also referred to as “posts” or “panel mounts” standing vertically.

Author: admin