TAILIEUCHUNG - TRANSITION TO THE NEXT GENERATION

The emergence of 10-Gigabit Ethernet (10- GigE) began with a surge in demand from data centers and information-hungry markets, such as higher education, financial management, healthcare, engineering design, research and development, and government institutions. Today, the acceptance of Gigabit Ethernet moving to the desktop drives the need for 10-GigE in the backbone. | Cabling Infrastructure TRANSITION TO THE The emergence of 10-Gigabit Ethernet 10-GigE began with a surge in demand from data centers and information-hungry markets such as higher education financial management healthcare engineering design research and development and government institutions. Today the acceptance of Gigabit Ethernet moving to the desktop drives the need for 10-GigE in the backbone. While deployment and system upgrades sound simple enough careful consideration should be given to a number of factors when choosing how and what components should be used to ensure the infrastructure supports the protocol today and in the future. Most campus and building backbones today are hybrids meaning they contain both multimode and single-mode fibers within the same cable sheath. The proportion of multimode to single-mode will vary depending upon the organization s current and future expectations for distance and bandwidth capacity. Singlemode fiber is only limited in bandwidth by the electronics that it connects. Within the typical LAN however most topologies can effectively be deployed over multimode fiber. For 10-GigE attention should be focused on laser-optimized 50 125 which is ideal for 10GBASE-SR the most cost-effective derivative of the 10-GigE standard. Coarse wavelength division multiplexing CWDM will be used extensively in the future This article was provided by Kam Patel the director of support technologies for ADC Eden Prairie Minn. He holds a degree in electrical engineering and has more than 13 years of experience in the fiber-optic industry. NEXT GENERATION to increase bandwidth. Low water peak singlemode fiber should be used with CWDM networks as it produces a flattened attenuation profile and improves transmission. In short using the proper multimode and single-mode fibers effectively ensures that your network will support the next leap in technology and protect the longevity of the cable plant. Connectivity is the single most overlooked component

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