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An Installation Pocket Reference Guide.pdf - Anixter

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5. Fiber Optic Cables|<br />

Bend Radius<br />

It is important not to change the geometry of the cable. Changing the geometry<br />

of the cable can negatively impact the transmission performance. Bend radius is<br />

the maximum arc into which a cable can be looped before its data transmission is<br />

impaired. The minimum bend radius for optical fiber cable is 10 times the diameter.<br />

Table 5.2 – Optical Fiber Bend Radius<br />

Fiber Type Bend Radius<br />

Small inside plant cable<br />

(2–4 fibers)<br />

1 in. (no load)<br />

2 in. (with load)<br />

All other inside plant cable 10 x diameter (no load)<br />

20 x diameter (with load)<br />

Outside plant cable 10 x diameter (no load)<br />

20 x diameter (with load)<br />

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