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bend load

The bending load in cables is perpendicular to the longitudinal axis and is important for the laying of cables. Different conditions apply for laying and operation.

When laying cables, care should be taken to ensure that the bending radius of single-shielded coaxial cables is greater than eight times the cable diameter, and for FO cables it should not be less than 15 times the diameter when laying. For fastening it is then 5 times or 10 times the value.

In the event of overstressing, tensile forces occur on the outside and compressive forces on the inside of the bending point, which influence the geometry of the cable and the position of the individual elements. These changes affect various parameters and directly degrade the NEXT value. The procedure for determining the bending load of optical fibers is described in EN 187 000 method 507.

Informations:
Englisch: bend load
Updated at: 16.03.2007
#Words: 137
Links: operation, bending radius, cable, fiber optics (FO), indium (In)
Translations: DE
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