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OPTICAL TERMINATION CABLE (CFOT):

By Steve Rogers,
Set consisting of basic units of optical cords, optical elements or optical fibers, dielectric traction element, possible fillers, dry core and protected by an external layer of flame-retardant thermoplastic material.

SELF-SUPPORTING AERIAL DIELECTRIC OPTICAL CABLE FOR LONG SPANS (LV):
Set consisting of single-mode or multimode optical fibers graded-index coated in acrylate, protection elements of the basic unit, dielectric traction and support elements, possible fillers, core resistant to the penetration of moisture, and protected by a thermoplastic material coating.

SELF-SUSTAINING DIELECTRIC AERIAL OPTICAL CABLE (AS):
Set consisting of single-mode or multimode graded-index optical fibers coated in acrylate, dielectric traction and support elements, possible fillers, with protection elements of the basic unit (s) and core resistant to moisture penetration, and protected by a thermoplastic material coating.

INTERNAL OPTICAL CABLE (CFOI):
Set consisting of optical cords, optical fibers or single-mode or multimode graded-index optical elements coated in acrylate, dielectric traction elements, dry core and protected by an external layer of flame-retardant thermoplastic material.

For you to choose the appropriate fiber optic cable for your application it is important to understand the nomenclature found in the cables, because only then will you be able to identify important characteristics such as:

- Quantities of Fiber

- Whether the use is internal, external or underground

- If the fiber is Singlemode or Multimode

- Core Type

- Type of coating

You can find the nomenclatures of optical cables printed on the cable itself and also on the product's Technical Sheet.

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UNDERGROUND OPTICAL CABLE NOMENCLATURES
Underground cables are installed in ducts or directly buried. Underground cables in ducts are usually installed in 4-inch (approximately 10 cm) ducts. The underground cable directly buried is placed underground without conduit, and therefore it must be designed to withstand the rigors of the environment, such as to support the actions of fungi. The leftovers of these cables are made in the passage boxes, widely used in underground networks. 

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