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OKDK-2D Drop, Dielectric, Glass Rods, Single Tube

OKDK-2D Drop, Dielectric, Glass Rods, Single Tube

  1. PE outer sheath
  2. Dielectric strength elements
  3. Buffer tube
  4. Hydrophobic gel
  5. Optical fiber


Optical cable type ОКDK-2D is used as a distribution cable for aerial installation (with particularly high requirements for resistance to external electromagnetic influences) on supports of overhead communication lines, power lines, lighting poles, between buildings, for indoor installation in cable channels, cable ducts, for lying along the external facades of buildings.

 Technical Characteristics

Parameter Value
Tensile strength, kN 1 1,5
Number of optical fibers (up to 12 fibers)
Cable diameter, mm 5,2 5,8
Cable weight, kg/km 22,8 28,8
Crushing force, kN/sm 0,3 
Operating temperature -50°С…+70°С
Installation temperature -30°С…+50°С
Transportation and storage temperature -50°С…+70°С
Minimum bending radius Not less than 15 cable diameters
Factory length, km 2

Technical characteristics of optical fiber

Type of optical fiber Corning SMF 28 Ultra Corning SMF28e+BB
ITU-T recommendations G.657A1 G.652D G.657A1 G.652D
Deviation from the concentricity of the core, microns, not more  0,5
Diameter of fiber sheath, microns 125±0,7
Deviation from the roundness of the sheath, %, not more 0,7
The diameter of the protective covering, microns 242±5
Maximum attenuation at wavelength 1310 nm 0,32 0,34
Maximum attenuation at wavelength 1550 nm 0,18 0,20

Full name example

Optical cable ОКDK-2D-08 G.657 А1 1,5kN

The optical cable consists of central optical module with fibers of G.657 A1 Standard, the maximum tensile strength is 1.5kN.

Download the OKDK-2D cable specification in PDF

Download the OKDK-2D cable certificates and declarations in PDF