IEC 60297 DOWNLOAD FREE

The strength required of the mounting posts means they are invariably not merely flat strips but actually a wider folded strip arranged around the corner of the rack. 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 The term relay rack appeared first in the world of telephony. Many wall-mounted industrial equipment enclosures have inch rack rails to support mounting of equipment. The posts are each 0. Production of clearance-hole racks is less expensive because tapping the holes is eliminated and replaced with fewer, less expensive, cage nuts. 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.

Uploader:	Tazshura
Date Added:	27 August 2014
File Size:	37.60 Mb
Operating Systems:	Windows NT/2000/XP/2003/2003/7/8/10 MacOS 10/X
Downloads:	64213
Price:	Free* [*Free Regsitration Required]

These cases are marketed to musicians and entertainers for equipment not subject to frequent transportation and rough handling. Examples include telephone exchanges, network cabling panels, broadcast studios and some government and military applications.

By using this site, you agree to the 62097 of Use and Privacy Policy. George, Chassis Slide MechanismU.

inch rack - Wikiwand

A standard inch server rack cabinet is typically 42u in height, 19 inches Racks are divided into regions, The height of the electronic modules is also standardized as multiples of 1. Two-post racks are most idc used for telecommunication installations. The inch rack format with rack-units of 1. In the event of a nut being stripped out or a bolt breaking, the nut can be easily removed and replaced with a new one.

This prevents circular airflows where hot exhaust air is 600297 through an adjacent device and causes overheating.

The posts have holes in them at regular intervals, with both posts matching, so that each hole is part ice a horizontal pair with a center-to-center distance of 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. Touring musicians, theatrical productions and sound and light companies use road case racks. The outer shell is frequently embossed in a self-mating pattern to combat the tendency for stacked cases to deform slightly creating a slope ieec encourages the upper case to slide off.

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 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 third common use for rack-mounted equipment is industrial power, control, and automation hardware. This page was last edited on 20 Septemberat Production of clearance-hole racks is less iecc because tapping the holes is eliminated and replaced with fewer, less expensive, cage nuts. Wikimedia Foundation servers as seen from the front. These cases can be isolated by thick layers of foam or may use spring-loaded shock mounting. Retrieved from " https: Physical Protection, are available, [10] with Zone 4 representing the most demanding environment.

All Wikipedia articles needing words, phrases or quotes attributed Wikipedia articles needing words, phrases or quotes attributed from November Commons category link is on Wikidata. Equipment can be mounted either close to its center of gravity to minimize load on iwc front oecor via the equipment's front panel holes.

19-inch rack

Many wall-mounted industrial equipment enclosures have inch rack rails to support mounting of equipment. The cases typically use extruded aluminum bands at the ends of the body with tongue-and-groove mating to like bands for the covers.

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. The amount of motion and resulting stress depends on the structural characteristics of the building and framework in which the equipment is contained, and the severity of the earthquake.

These posts are typically heavy gauge metal or extruded aluminum.

Oh no, there's been an error

For rack-mounted computer servers, devices generally intake air on the front and exhaust on the rear. Racks carrying telecom equipment like routers and switches often ic extra width to accommodate the many cables on the sides.

The term relay rack appeared first in the world of telephony.

Rack-mountable equipment is traditionally mounted by bolting or clipping its front panel to the rack.