TAILIEUCHUNG - KRONE facts - The Future of UTP

Tham khảo tài liệu 'krone facts - the future of utp', kỹ thuật - công nghệ, kĩ thuật viễn thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | KRONEfaCtS The Future of UTP Although UTP cables have existed in one form or another for decades they have only been used in data communications networks for just over 10 years. While data cables existed in different forms for several decades before UTP cables were predominantly used they were quickly replaced by UTP cables for several reasons. Coax and shielded cabling solutions such as ThickNet ThinNet and IBM type 1 were very good cables for transmitting data within Local Area Networks LANs . With the advent and proliferation of computer networking technologies more and more cables occupied spaces behind the scenes where cables had only existed for telecommunications purposes in the past. Telecommunications closets were expanded to allow for connectivity between networking devices hubs servers and workstation terminals. Data rates were on the order of 1 to 16Mbps and ran on proprietary cabling solutions. Several protocols existed for proprietary to somewhat standardised networks such as Token Ring ISDN and ATM. WHY UTP Space time and cost constraints led to the development of a more cost effective medium for transmitting data in UTP cables. By eliminating the need for shielded solutions the end user now needed less space for installation and saved money on materials and labour for installation. Grounding issues were also mitigated. Most importantly UTP solutions are used as a baseline interoperability media for the most prevalent protocols. In most cases a cabling solution is developed to support a faster transmission protocol. Today s fastest protocol over UTP cable is 1000BaseT transmission. This is supported by both Category 5e and Category 6. UTP AND THE END OF THE PROTOCOL WAR To better understand why UTP cable has evolved from Category 1 to Category 6 we must first understand the primary driver . data rate progression. In the early 90s a war was raging as to which protocol would become the industry standard for LAN applications. ATM Token Ring and .

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