TAILIEUCHUNG - Cabling Standard - TIA - Cat 6 FAQ

Tham khảo tài liệu 'cabling standard - tia - cat 6 faq', công nghệ thông tin, quản trị mạng phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Category 6 FAQs Updated January 2004 Note: These FAQs were developed by the Category 6 Consortium. The Category 6 Consortium is an emerging working group whose mission is to create market and industry awareness - as well as demand - for cabling systems and components based on TIA's new category 6 cabling standard. To learn more about the Category 6 Consortium and to participate, please contact TIA at (703) 907-7723 or email jmead@. Category 6 Cable Questions 1. What is the difference between enhanced category 5e cable rated for 400 MHz and category 6 cable rated for 250 MHz? Category 5e requirements are specified up to 100 MHz. Cables can be tested up to any frequency that is supported by the test equipment, but such measurements are meaningless without the context of applications and cabling standards. The Category 6 standard sets minimum requirements up to 250 MHz for cables, connecting hardware, patch cords, channels and permanent links, and therefore guarantees reasonable performance that can be utilized by applications. 2. Why did all category 6 cable used to have a spline, and now is offered without one? Some Category 6 cable designs have a spline to increase the separation between pairs and also to maintain the pair geometry. This additional separation improves NEXT performance and allows Category 6 compliance to be achieved. With advances in technology, manufacturers have found other ways of meeting Category 6 requirements. The bottom line is the internal construction of the cable does not matter, so long as it meets all the transmission and physical requirements of Category 6. The standard does not dictate any particular method of cable construction. 3. Is there a limitation on the size of bundles one can have with category 6? Can you have 200-300 and still pass category 6? There is no limit imposed by the standards on the maximum number of Category 6 cables in a bundle. This is a matter for the market and the industry to determine based on .

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