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technospheramag
technospheramag
ТЕХНОСФЕРА_РИЦ
Компетентное мнение
Cables and Passive Equipment
K.Endoh, T.Sayama, D.Takeda, S.Tanaka, M.Ohno, S.Shiobara, N.Okada и M.Miyamoto
Development of the Small Size Low-Friction Indoor Cable In Japan, it is required to construct indoor cables in existing multiple dwelling units for FTTH network development. However, some existing multiple dwelling units have no conduit unit for optical cables and it is difficult to add new conduit lines because of expensive construction cost. So, we have to use existing metal telephone cable conduits for realizing additional fibers installation. Therefore we developed the small size low-friction indoor cable. It has low coefficient of friction and suitable for pushing-installation without utilizing any rod into conduits crowded with existing cables.
Development of the Small Size Low-Friction Indoor Cable In Japan, it is required to construct indoor cables in existing multiple dwelling units for FTTH network development. However, some existing multiple dwelling units have no conduit unit for optical cables and it is difficult to add new conduit lines because of expensive construction cost. So, we have to use existing metal telephone cable conduits for realizing additional fibers installation. Therefore we developed the small size low-friction indoor cable. It has low coefficient of friction and suitable for pushing-installation without utilizing any rod into conduits crowded with existing cables.
Tags: ftth installation multiple dwelling units small size low-friction indoor cable малоразмерный кабель с низким трением многоквартирные дома
Оборудование
A.Adjava
New Generation of Optical LAN: Neutrik’s Solution opticalCON In recent years Neutrik’s solutions become industry-specific standards and for optical networks used in the professional audio/video sphere that need to be quickly deployed and frequently demounted too. We’ll give a look to the company switched optical system opticalCON that captivated Europe and assigns new standards for “mobile optics”.
New Generation of Optical LAN: Neutrik’s Solution opticalCON In recent years Neutrik’s solutions become industry-specific standards and for optical networks used in the professional audio/video sphere that need to be quickly deployed and frequently demounted too. We’ll give a look to the company switched optical system opticalCON that captivated Europe and assigns new standards for “mobile optics”.
Технологии
S.Portnoj, I.Shakhnovich
WiMAX: Requiem for a Dream? Five years ago all had been otherwise. The world was in preparation for a crisis, A.Geim and K.Novoselov had not yet received the Nobel Price, Intel’s annual turnover was just $34B and the only practical wide-band wireless access technology was WiMAX. Since that time many changes have taken place: the world is in preparation for a new crisis, Intel’s turnover exceeds $50B, there are two more Nobel laureates in Russia and for everyone it has become clear that the future of mobile wide-band access unambiguously belongs to LTE technologies. Intel’s dream about changing the telecommunications market has died. But did WiMAX itself died?.
WiMAX: Requiem for a Dream? Five years ago all had been otherwise. The world was in preparation for a crisis, A.Geim and K.Novoselov had not yet received the Nobel Price, Intel’s annual turnover was just $34B and the only practical wide-band wireless access technology was WiMAX. Since that time many changes have taken place: the world is in preparation for a new crisis, Intel’s turnover exceeds $50B, there are two more Nobel laureates in Russia and for everyone it has become clear that the future of mobile wide-band access unambiguously belongs to LTE technologies. Intel’s dream about changing the telecommunications market has died. But did WiMAX itself died?.
M.Kovzur
Protocols Providing IP telephony Security As IP telephony expands significance of secure transmission over VoIP networks increases. Some methods developed to provide secure IP telephony are considered in this article. Special attention the author gives to the cryptographic key-agreement protocol ZRTP as one of the most perspective and effective protocols
Protocols Providing IP telephony Security As IP telephony expands significance of secure transmission over VoIP networks increases. Some methods developed to provide secure IP telephony are considered in this article. Special attention the author gives to the cryptographic key-agreement protocol ZRTP as one of the most perspective and effective protocols
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