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DOTa ADSS, Aramid Yarns

DOTa ADSS, Aramid Yarns

  1. Central strength element
  2. Aramid yarns
  3. Outer sheath
  4. Core filler
  5. Hydrophobic gel
  6. Optical loose tube
  7. Optical fiber

Destination

Optical cable is designed for suspension on overhead communication lines towers, contact network and railways auto-blocking, power lines, lighting columns, power facilities, between buildings; for direct ground installation, in cable ducts, in pipes (including the blowing installation method), in blocks, in trays, in tunnels, in headers, on bridges and skyways, inside buildings.

Technical characteristics

Parameter Value
Number of optical fibers Up to 48 Up to 72 Up to 96 Up to 144
Tensile strength, kN from 1,5 up to 2
Cable diameter, mm 7,6 8,3 9,2 10,0
Cable weight, kg/km 43,0 49,9 60,5 69,7
Bending radius, mm 114 125 138 150
Tensile strength, kN 4
Cable diameter, mm 10,8 11,4 12,0 12,6
Cable weight, kg/km 88,8 97,5 106,2 115,4
Bending radius, mm 162 171 180 189
Tensile strength, kN 7
Cable diameter, mm 10,9 11,5 12,1 12,7
Cable weight, kg/km 91,3 99,3 108,1 117,4
Bending radius, mm 164 173 182 191
Tensile strength, kN 10
Cable diameter, mm 11,2 11,7 12,3 12,9
Cable weight, kg/km 96,9 104,2 112,5 122,2
Bending radius, mm 168 176 185 194
Crushing force, kN/sm 0,3
Operating temperature -60°С…+70°С
Installation temperature -30°С…+50°С
Transportation and storage temperature -60°С…+70°С
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 DOTa-P-48Y (6x8) 4kN

The cable consists of a loose tube core with a central strength element made of a dielectric rod with a spiral-twisted water blocking yarn around which optical loose tubes with freely laid fibers are twisted. The core is fastened with two winding threads with a water-blocking property. Aramid yarns and a MDPE sheath are laid on the core.

Download the DOTa cable specification in PDF

Download the DOTa cable certificates and declarations in PDF