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OKGTS Direct Buried, Single Tube, Wire Armor

OKGTS Direct Buried, Single Tube, Wire Armor

  1. PE outer sheath
  2. Steel wire armor
  3. Hydrophobic gel
  4. Buffer tube
  5. Hydrophobic gel
  6. Optical fiber


Optical cable is designed for direct buried installation in ground including swamps and shallow non-navigable river, in ducts, in pipes, in blocks, in trays, in tunnels, in headers, on bridges and skyways, between and inside buildings in case of damage by rodents danger.

Technical Characteristics

Parameter Value
Tensile strength, kN 5 7
Number of optical fibers (up to 16 fibers)
Cable diameter, mm 7,9 8,7
Cable weight, kg/km 101,9 135.9
Number of optical fibers (up to 24 fibers)
Cable diameter, mm 8,1 8,7
Cable weight, kg/km 109,5 135,9
Crushing force, kN/cm 0,5
Operating temperature -50оС...+70оС
Installation temperature -30оС...+50оС
Transportation and storage temperature -50оС...+70оС
Minimum bending radius Not less than 15 cable diameters
Factory length, km 4

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 ОКGTS-08 G.652D 7kN

The cable consists of a single tube core with freely laid fibers of G.652D Standard, the maximum tensile strength is 7kN.

Download the OKGTS cable specification in PDF

Download the OKGTS cable certificates and declarations in PDF