The optical communication cable KOS-OKB-DV is intended for application on the unified telecommunication network of the Russian Federation. Backbone armoured multimodular cable is used for laying in soils of all groups, except those subject to permafrost deformations, cable ducts, collectors and tunnels, pipes, blocks, mines, over bridges and overpasses, through swamps up to 2 m deep and non-flowing rivers.
It has a central power element made of a fibreglass rod around which optical modules with fibre produced in the territory of the Eurasian Economic Union member states are twisted. A hydrophobic gel is applied to the optical modules along their entire length.
The intermediate sheath, made of polymer material, is covered with an armour coating made of steel wires. The outer sheath is made of UV-resistant polyethylene.
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