Buy DIN () Mechanical Structures For Electronic Equipment; Mechanical Structures Of The ,6 Mm (19 Inch) Series; Components On Front . DIN Mechanical structures for electronic equipment; mechanical structures of the ,6 mm (19″)series; components on front panels; mounting. Category:DIN Good pictures. Advanced All images; Featured pictures; Quality images; Valued images; In this category and in In this.
|Published (Last):||14 September 2013|
|PDF File Size:||1.24 Mb|
|ePub File Size:||2.73 Mb|
|Price:||Free* [*Free Regsitration Required]|
A pair of rails is mounted directly onto the rack, and the equipment then slides into the rack along the rails, which support it. Older equipment meant for round-hole or tapped-hole racks can still be used, with the use of cage nuts made for square-hole racks.
An enclosed sealed cabinet with forced air fans permits air filtration to protect equipment from dust. Touring musicians, theatrical productions and sound and light companies use road case racks.
Equipment can be mounted either close to its center of gravity xin minimize load on its front panelor via the equipment’s front panel holes.
inch rack – Wikipedia
A standard inch server rack cabinet is typically 42u in height, 19 inches Non-isolated cases simply mount inch mounting rails inside the case. Tapping large numbers of holes that may never be used is expensive; nonetheless tapped-hole racks are still in use, generally for hardware that rarely changes.
Each module has a front panel that is 19 inches 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.
A blade server enclosure might require 10U. To protect equipment from shock and vibration road rack cases use an inner and outer case. Low-wattage devices may not employ active cooling, but use only passive thermal radiation and convection to dissipate heat. Although open-frame racks are the least expensive, they also expose air-cooled equipment to dust, lint, and other environmental contamination.
The posts are each 0. There is no standard for airflow and cooling of rack mounted equipment. These cases are marketed to musicians and entertainers for equipment not subject to frequent transportation and rough handling.
A key structural weakness of front-mounted support is the shear stress placed on the mounting rails and the leading edge of the equipment. A rack’s mounting fixture consists of two parallel metal strips also referred to as “posts” or “panel mounts” standing vertically. The distance of the right edge of the right mounting rail to the left edge of the left mounting rail is millimetres Originally, the mounting holes were tapped with a particular screw thread. Larger cases are further reinforced with additional plywood or sheet metal.
Four-post racks allow for mounting rails to support the equipment at the front and rear.
Patent 3,granted June 4, Views Read Edit View history. Road cases are typically made from polyvinyl chloride PVC laminated plywood sides, joined by extruded aluminum edging, steel corners, handles and latches. APC SX-range racksit is common for equipment that features 4-post mounting brackets to have an adjustable rear bracket. The hole pattern thus repeats every 1. For rack mounted computer servers, devices generally intake air on the front and exhaust on the rear.
The posts have holes in them at regular intervals, with both posts matching, so that each hole is part of a horizontal pair with a center-to-center distance of They allow for dense hardware configurations without occupying excessive floorspace or requiring 4494.
This prevents circular airflows where hot exhaust air is recirculated through an adjacent device and causes overheating.
Category:DIN – Wikimedia Commons
However, not all equipment is suitable for this type of mounting. 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.
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.
Threaded mounting holes in racks where the equipment is frequently changed are problematic because the threads can be damaged or the mounting screws can break off; both problems render the mounting hole unusable.
Road case racks come in different heights based on the 1U standard and different depths. Production of clearance-hole racks is 414994 expensive because tapping the holes is eliminated and replaced with fewer, less expensive, cage nuts. The gap between the posts is millimetres Two-post racks provide two vertical posts.
As a result, 4-post racks have become common, with such racks featuring a mirrored pair of rear mounting posts. However, some rack equipment has been designed to make fan replacement easy, using quick-change fan trays that can be accessed without removing the cabling or the device from the rack, and in some cases without turning off the device so that operation is uninterrupted during replacement. George, Chassis Slide MechanismDln. These aisles may themselves be enclosed into a cold air containment tunnel so that cooling air does not travel to other parts of the building where it is not needed or mixes with hot air, making it less efficient.
In the case of network equipment, it may be necessary to unplug 50 or more cables from the device, remove the device from the rack, and then disassemble the device chassis to replace the fans.
When there is a large number of computers in a single rack, it is impractical for each one to have its own separate keyboard, mouse, and monitor. 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 dni the equipment or means for mounting to the rail.