this publication, including its validity, is available in the IEC Catalogue of .. IEC , Dimensions of mechanical structures of the ,6 mm (19 in). Buy IEC Ed. Dimensions of mechanical structures of the mm ( 19 in) series. Part 1: Panels and racks from SAI Global. Find the most up-to-date version of IEC at Engineering
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Racks are divided into regions, Racks, especially two-post racks, are often secured to the floor or adjacent building structure so as not to fall over. eic
The inch rack format with rack-units of 1. Raised or false floor cooling in server rooms can serve a isc purpose; they permit cooling airflow to equipment through the underfloor space to the underside 60279-1 enclosed rack cabinets.
A key structural weakness of front-mounted support is the shear stress placed on the mounting rails and the leading edge of the equipment. Nineteen-inch racks are also often used to house professional audio and video equipment, including amplifierseffects unitsinterfaces, headphone amplifiers, and even small scale audio mixers. The shape of small cases is maintained by the rack rails and the cover seal extrusions alone. The gap between the posts is millimetres Each module has a front panel that is 19 inches Portable rack cases using a rotary-molded polyethylene outer shell are a lower-cost alternative to the more durable ATA-approved case.
The inch dimension includes the edges, or “ears”, that protrude on each side which allow the module to be fastened to the rack frame with screws. Views Read Edit View history.
A standard inch server rack cabinet is typically 42u in height, 19 inches Rack-mountable equipment is traditionally mounted by bolting or clipping its front panel to the rack. Physical Protection, are available,  with Zone 4 representing the most demanding environment.
inch rack – Wikipedia
The rack unit is a measure of vertical spacing and is common to both the 19 and 23 inch racks. The posts are each 0. Originally, the mounting holes were tapped with a particular screw thread.
An enclosed sealed cabinet with forced air fans permits air filtration to protect equipment 62097-1 dust. Production of clearance-hole racks is less expensive because tapping the holes is eliminated and replaced with fewer, less expensive, cage nuts. With the prevalence of inch racks in the Telecoms industry, the same practice is also common, lec with equipment having inch and inch brackets available, enabling them to be 60297- in existing racks.
This of course varies by manufacturer, the design of the rack and its purpose, but through common constraining factors such as raised floor tile dimensionsthese dimensions have become quite common. These posts are typically heavy gauge metal or extruded aluminum. Patent 3,granted June 4, List of International Electrotechnical Commission standards. A rack’s mounting fixture consists of two parallel metal strips also referred to as “posts” 60279-1 “panel mounts” standing vertically.
APC SX-range lecit is common for equipment that features 4-post mounting ied to have an adjustable rear bracket. Larger cases are further 6297-1 with additional plywood or sheet metal. For rack mounted computer servers, devices generally intake air on the front and exhaust on the rear. The rails may also be able to fully support the equipment in a position where it has been slid clear of the rack; this is useful for inspection or maintenance of equipment which will then be slid back into the rack.
Hole spacing is 25 millimetres 0. Computer enclosure Mechanical standards Server hardware. Ina durable fiber reinforced plastic inch rackmount case was patented by ECS Composites and became widely used in military and commercial applications for electronic deployment and operation.
This is usually required by local building codes in seismic zones. Two-post racks provide two vertical posts. A difficulty with forced air fan cooling in rack equipment is that fans can fail due to age or dust. As a result, 4-post racks have become common, with such racks 6029-1 a mirrored pair of rear mounting posts.
Patent 2,granted Oct. George, Chassis Slide MechanismU. Many wall-mounted industrial equipment enclosures have inch rack rails to support mounting of equipment.
When rack rails are too thin to tap, rivnuts or other threaded inserts can be used, and when the particular class of equipment to be mounted is known in advance, some of the holes can be omitted from the mounting rails. A third common use for rack-mounted equipment is industrial power, control, and automation hardware. To protect equipment from shock and vibration road rack cases use an inner and outer case.
The cases typically use extruded aluminum bands at the ends of the body with tongue-and-groove mating to like bands for the covers.
Road case racks come in different heights based on the 1U standard and different depths. The size denotes the width of the faceplate for the installed equipment. 602977-1 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.