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Optical cable

Optical self-supporting cable FinMark LTxxx-SM-ADSS

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Manufacturer:
Type of cable:
Design:

 

Use:
ADSS (All Dielectric Self-supporting) – self-supporting, fully dielectric optical cable for hanging on supports of communication lines and power supply lines, railroad overhead contact system, between houses and other objects.

 

Design:
Cable with several optic modules, twisted around the central dielectric strength element, which can contain up to 144 optical fibers. Cavities between optical modules are filled with hydrofobic water-blocking compound. In cable with small amount of fibers, instead of missing optical modules so called «filling» modules are used. Self-supporting properties of the cable are provided by layer of high-strength kevlar (aramid) threads, placed between extrenal coatings. Two-layered coating is made from UV-stabilized polyethylene of high density, for cables layed along electric power supply lines with voltage value more than 12 kW, a tracking-resistant modification of polyethylene is applied.

 

 

Parameters, which should be specified in order:

 

  • amount of fibers;
  • PSL(power supply line) voltage level;
  • maximum, minimum, and average operating temperatures;
  • span length*;
  • maximum allowable speed of wind*;
  • maximum allowable thickness of ice surface*.

 

 

Note: instead of parameters with (*) mark, it is enough to specify maximum allowable tensile force for the cable.

 

 

An optical fiber Fujikura FutureGuide is placed in the cable – LWP (complies with ITU-T G.652.D) its specifications you can find here. On a client’s demand cable can be manufactured with fibers by ITU-T G.655

Description of colour marking of optical fibers you can findhere

Symbolic notation of FinMark optical cables you can find here