Fiber optic cables, like all communications cables, are sensitive to compressive or crushing loads. Outdoor cable may be direct buried, pulled or blown into conduit or innerduct, or installed aerially between poles. Indoor cables can be installed in raceways, cable trays above ceilings or under. Pulling the cable at a lower bend radius increases the compression forces on the cable core which can result in tube deformation and possible fiber damage or attenuation increases. Check the data sheet for the specific bend radius. Understanding the causes and types of fiber optic cable damage helps detect issues early and determine when repair is needed.
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