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.

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The rails may also be able to fully support the equipment in a position 62097 it has been slid clear of the rack; this is useful for inspection or maintenance of equipment ied will then be slid back into the rack. Holes so arranged can either be tapped usually UNF thread, or, less often, 6mm metric or have square holes for cage nuts. Although open-frame racks are the least expensive, they also expose air-cooled equipment to dust, lint, and other environmental contamination.

As a result, 4-post racks have become common, with such iex featuring a mirrored pair of rear mounting posts. Hole spacing is 25 millimetres 0. A rack’s mounting fixture consists of two parallel metal strips also referred to as “posts” or “panel mounts” standing vertically.

There are a multitude of specialty server racks including soundproof server racks, air conditioned server racks, NEMA rated, seismic rated, open frame, narrow, and even miniature inch racks for smaller applications. A standard inch server rack cabinet is typically 42u in height, 19 inches Newer server rack cabinets come with adjustable mounting rails allowing the user to place the rails at a shorter depth if needed. Larger cases are further reinforced with additional plywood or sheet metal.


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.

Examples include telephone exchanges, network cabling panels, broadcast studios and some government and military applications. This is usually required by local building 6027 in seismic zones. Physical Protection, are available, [10] with Zone 4 representing the most demanding environment.

In contrast to the “inch world”, ETSI also defined the size of the rack enclosure: Large server rooms will often group rack cabinets together so that racks on both sides of an aisle are either front-facing or rear-facing, which simplifies cooling by supplying cool air to the front of the racks and collecting hot air from the rear of the racks.

List of International Electrotechnical Commission standards. A blade server enclosure might require 10U.

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When in place, the equipment may also then be bolted to the rack. Ief module has a front panel that is 19 inches The gap between the posts is millimetres Installation and removal of hardware in a square hole rack is very easy and boltless, where the weight of the equipment and small retention clips are all that is necessary to hold the equipment in place.

Racks carrying telecom equipment like routers and switches often have extra width to accommodate the many cables on the sides. Two-post racks are most often used for telecommunication installations.


inch rack – Wikipedia

Once serial production started, they were built into custom-made racks, one per repeater. A inch rack is a standardized frame or enclosure for mounting multiple electronic equipment modules. The earliest repeaters from were installed in ad-hoc fashion on shelves, in wooden boxes and cabinets. See also Industrial PC.

19-inch rack

Patent 3,granted June 4, The inch rack format has remained constant while the technology that is mounted within it has changed idc and the set of fields to which racks are applied has greatly expanded. Archived from the original on 602997 A variety of airflow patterns can be found, including front intakes and rear exhausts, as well as side intakes and exhausts. Low-wattage devices may not employ active cooling, but use only passive thermal radiation and convection to dissipate heat.

The inch rack format with rack-units of 1. Heavy equipment or equipment which is commonly accessed for servicing, isc which attaching or detaching at all four corners simultaneously would pose a problem, is often not mounted directly onto the rack but instead is mounted via rails or slides. The shape of small cases is maintained by the rack rails and the cover seal extrusions alone.

The First Stored Program Computer.