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OKDB-2D-M Drop, Aerial, Bow Type, Steel Rods

OKDB-2D-M Drop, Aerial, Bow Type, Steel Rods

  1. Outer sheath
  2. Suspended strength element (steel wire)
  3. Strength elements
  4. Optical fiber


Optical cable type ОКDB-2D-М is used as a distribution cable for aerial installation on supports of overhead communication lines, power lines, lighting poles, between buildings and constructions, inside buildings in cable channels, cable ducts, for lying along the external facades of buildings.

 Technical Characteristics

Parameter Value
Tensile strength, kN 1,3
Number of optical fibers Up to 4 Up to 8
Cable diameter, mm 2,0 х 5,2  2,1 х 5,6
Cable weight, kg/km 20,3 21,7
Crushing force, kN/sm 250
Operating temperature -50°С…+70°С
Installation temperature -10°С…+50°С
Transportation and storage temperature -50°С…+70°С
Minimum bending radius Not less than 10 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 ОКDB-2D-М-08 G.657 А1 1,3kN

The optical distribution cable for aerial installation consists of fibers of G.652D Standard, the maximum tensile strength is 1,3kN.

Download the ОКDB-2D-М cable specification in PDF

Download the ОКDB-2D-М cable certificates and declarations in PDF