TAILIEUCHUNG - Reduced Bend Radius Fiber into the Network

Cable assemblies and connectors must meet Telcordia® (GR326) requirements for strength of the fiber termination connector. Reduced bend radius optical fiber does not improve connector pull-off resistance. Connectors that are easily loosened or disconnected increase attenuation and cause failures. | Effective Integration of Reduced Bend Radius Fiber into the Network Effective Integration of Reduced Bend Radius Fiber into the Network Introduction Bending of singlemode fiber has everyone talking these days. The idea that you can bend a fiber around a pencil without a dramatic increase in attenuation is a concept that has everyone considering new fiber applications and design possibilities. Today industry standards for traditional single mode fiber typically specify a minimum bend radius of ten times the outside diameter of the jacketed cable or 38 mm whichever is greater. This new breed of flexible singlemode optical fiber has the potential to significantly reduce these minimum bend radius requirements to values as low as 15 mm depending on the cable configuration without increasing attenuation. There are many names for optical fiber that can endure a tighter bend radius bend insensitive bend resistant and bend optimized are several that come to mind. However some of these terms can be somewhat misleading. Designers and installers may believe reduced bend radius optical fiber is impervious to all of the forces that can increase attenuation and cause failure on an optical fiber link. Staff and contract technicians can make false assumptions on its durability and performance capabilities as well. Such beliefs can have a serious impact on network performance. For purposes of accuracy ADC uses the term reduced bend radius because this title best describes what the product actually delivers. This paper will discuss the proper usage for this product and the considerations that must be kept in mind when deploying it. Effective Integration of Reduced Bend Radius Fiber into the Network What is Reduced Bend Radius Optical Fiber As mentioned above reduced bend radius fiber is able to withstand tighter bends within frames panels and pathways. To understand how this is achieved it is important to understand that all fiber types rely on principles of Total Internal .

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