February 16, 2009 - New applications such as VoIP, require the use of IT systems increasingly powerful, eg switches with PoE and a maximum port density and blade servers. The installation of such systems involves a growing noise. For this reason, when the servers, network closets and plant layouts are located in office environments, often increase the inconvenience for staff .. Since the noise in the workplace not only entails a loss of staff performance, but can also cause discomfort, lawmakers have enacted restrictive laws: background noise level in individual offices should not exceed 55 dB (A ), a level somewhat higher than normal conversation. If installing cabinets IT office premises, quickly overcome the maximum permissible limit values .. For this reason they are gaining in importance in the IT field sound insulation measures. Rittal presented during the CeBIT 2008 soundproofing mats that stick to the racks already installed. A container mats to be of sufficient size cabinet 800X2000x800 mm. Their placement is really simple: sound-absorbing plates cut to size with scissors or a cutter is permanently attached by the adhesive layer of the reverse .. With sound-absorbing mats Rittal noise emissions are reduced by up to 75%, equivalent to a reduction of 7 dB (A) (measured with normal sound source). And this but only have four plates coated surfaces: the sides, tailgate and roof, because the door must continue to ensure the vision of the active components of the rack. Apart from sound-absorbing mats to place after, Rittal offers the lining of the IT racks factory. It can be used independently of the cabinet, providing a reliable power supply for servers in the same rack. is suitable for industrial areas, ensuring that essential for the production systems continue to function in case of power failure. The station Intereconomía Disprel Rittal TVseleccionó to one of the companies in 2008. For this reason a story devoted part of its program "Business with identity" on the company, which highlights some of its characteristics.
Tatami (?, Tatami?) (Originally meaning "folded and filled") mats are a traditional type of Japanese soil. Made of soft rush woven straw, and traditionally packed with rice straw (though nowadays sometimes with styrofoam [citation needed]), the mat is made in individual mats of uniform size and shape, bordered by green cloth, brocade or plain. Tatami was originally a luxury item for the rich at a time when lower classes had mat-covered dirt floors. [1] Tatami was gradually popularized and finally reached the homes of commoners towards the end of the 17th century. [2 ]. There are several rules regarding the number and arrangement of tatami mats, an unfavorable disposition is said to bring bad luck. In homes, the mats should not be placed in a grid pattern, and there is never anything to a point where the corners of the touch of three or four mats. In Japan, the size of a quarter is typically measured by the number of tatami mats (- ? - JO). The traditional dimensions of the mats were fixed at 90 centimeters by 180 centimeters (1.62 square meters) by 5 cm (35.5 in by 71 in by 2 in). The average mats, 90 centimeters by 90 centimeters (35.5 in by 35.5 in) are also done. Shops were traditionally designed to be 5 ½ mats (8.91m ²), and tea rooms and tea houses are frequently 4 ½ mats (7.29m ²). Because the size is fixed, the rooms in traditional Japanese construction measure in multiples of 90 centimeters. Mats of Kyoto (Kyo-tatami) and other parts of western Japan are slightly larger than those of Tokyo and eastern Japan at 95.5 centimeters by 191 centimeters (1.82m ², 37.6 in by 75.2 in). Tatami mats are associated with Japanese religious rites and tea ceremony. Most modern Japanese homes still have at least one site of the tatami, washitsu. Tatami "omote", or layer of the rush mat outside, wrapped on the basis of rice straw mat, is used in the practice of tameshigiri in Japanese swordsmanship. The tatami omote mats are rolled into cylinders, soaked in water for several days, and then cut to test the sharpness of a sword again made or the skill of a swordsman. ^ Newsletter international community house in Kyoto. the 2nd section titled HISTORY OF TATAMI. International Foundation Kyoto City. Retrieved on 2007-03-28.

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