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Sumitomo claims first with bend-insensitive fiber drop cables

Sumitomo Electric Lightwave Corp. today introduced what it calls the industry's first bend-insensitive fiber drop c...


March 9, 2005  


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Sumitomo Electric Lightwave Corp. today introduced what it calls the industry’s first bend-insensitive fiber drop cables for fiber-to-the-premises (FTTP) and fiber-to-the home (FTTH) applications.

By integrating its PureAccess bend-insensitive optical fibers to its drop cable product line, the company says it has increased the flexibility and overall utility of drop cables leading directly to the subscribers’ premises.

The drop cables facilitate easier fiber handling for tight bends at the edges of walls and tighter fiber coiling within entry ports and network interface devices located at the premise, multiple dwelling unit (MDU), or home.

The PureAccess drop cables feature fibers with minimum bend radiuses of 15 mm, a 50% decrease in bend sensitivity of conventional single-mode fiber, which allows for even greater fiber density with low bending loss for component and tight-access wiring necessary in FTTP applications.

“When wrapped around a 30mm diameter mandrel, PureAccess fiber exhibits no additional attenuation loss, thereby preserving signal strength,” the company said.

“(It) also addresses the industry’s need for component miniaturization and speeds the development of smaller and less intrusive devices, such as closures and entry boxes, at the subscriber’s location. “