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Optical cable

Optical cable FinMark LTxxx-SM-04

6

Use:
For laying in 1-3 categories of soils (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 5-24 optical modules, twisted around the central strength element, they can contain up to 288 optical modules. Represents simplified version of a design LТxxx-SM-02 with smaller optical modules, which provides compactability and lesser material content of a cable. In a cable with fiber amount 4-144, optical modules are located in one layer, for larger amount - in two layer. 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. External coating is made from UV-stabilized polyethylene of high density. 

Specifications:

Amount of fibers, pcs.

4-30

32-36

38-60

62-72

74-96

98-120

122-144

146-216

218-288

Total amount of optical and filling modules, pcs.

5

6

5

6

8

10

12

18

24

Maximum amount of fibers в, pcs.

6

12

Outer coating thickness, mm.*

1,65

1,8

Diameter of cable, mm.*

9,5

10,1

11,2

12,0

13,8

15,2

16,9

16,9

19,3

Cable mass, kg.**

103

126

142

177

213

249

294

306

382

Min. bending radius, const/dyn

10 / 20 cable diameters

Maximum tensile force (short-term/long-term), N

1500/600

3000/1500

Maximum compressive load, N/100mm

1000/300 (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 byITU-T G.655

Description of colour marking of optical fibers you can findhere

Symbolic notation of FinMark optical cables you can find here