JUNE 25, 2009 -- Corning Cable Systems LLC (search Lightwave for Corning Cable Systems), part of Corning Inc.'s telecommunications segment, says that its outside plant loose tube, all-dielectric, self-supporting, ribbon and service drop fiber-optic cables will continue to be listed on the Informational Publication 344-2, List of Materials Acceptable for Use on Systems of United States Department of Agriculture (USDA) Rural Development Telecommunications Borrowers.
The continued listing was approved by the USDA's Technical Standards Committee "A" Telecommunications after a review of information that Corning Cable Systems provided regarding the fiber-optic cables. The Code of Federal Regulations section 7 CFR 1755.900 includes a new mid-span buffer tube test that confirms the low-temperature performance of coiled buffer tubes installed in closures and pedestals. Corning Cable Systems says it has successfully demonstrated passing laboratory data, successful field performance to these highly functional requirements, as well as relevant and positive customer testimonials.
In addition, Technical Standards Committee "A" Telecommunications will continue listing Corning Cable Systems gel-free ribbon cables without any limiting condition, the company says. Test data provided proved these cables have optimal ribbon coupling, making them well-suited for direct-buried, duct, and aerial installations, Corning asserts. The new required tests address fiber reliability concerns that can result from improper or nonexistent ribbon coupling.
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