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Optical cable

Optical cable FinMark LTxxx-SM-03

4

Use:
For laying in all types of soil (without cryosolic deformations), in cable-conduit lines and pipelines on bridges and pipe bridges, in tunnels, collectors at the entry into a building, including places infested with rodents, and on the exterior walls of building and structures.

Design:
Cable with 6-12 optical modules, twisted around the central strength element, they can contain up to 144 optical modules. 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. Armour layer is made from steel goffer band, and apart from providing mechanical protection, serves as a hydrobarrier preventing moisture diffusion through polymeric coatings towards optical fiber. Two-layered coating from UV-stabilized polyethylene of high density provides high durability of cable and strong moisture protection.

Specifications:

Amount of fibers, pcs.

4 – 36

38 - 54

56 – 62

64 – 72

74 – 96

98 – 120

122 – 144

Total amount of optical and filling modules

6

7/8

8/9/10

11/12

Max. amount of fibers in optical module

6

12

Thickness of ext/int coating, mm *

2 / 1

Diameter of cable, mm **

13.1

13.7

14.6

15.4

17.0

18.6

Cable mass, kg/km  **

187

206

236

250

296

345

Min. bending radius, const/dyn

10 / 20 cable diameters

Max. tensile force, N

3000 / 1000 (short-term/long-term)

Max. compressive load, N/100mm

3000 / 1000 (short-term/long-term)

Allowable temperatures

operation

-40°C – +60°C

storage

-50°C – +70°C

install.

-20°C – +50°C

(*) - allowable deviation +/- 0.2 mm
(**) - averaged

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