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Optical cable

Optical cable FinMark LTxxx-SM-02

1
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 5-26 optical modules, twisted around the central strength element, they can contain up to 312 optical fibers. In cable with fiber amount 4-144 optical modules are located in one layer, for larger amount – in two layers. 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

64 – 72

74 – 96

98 – 120

122 – 144

Total amount of optical and filling modules

5

6

5

6

7 / 8

8 / 9 / 10

11 / 12

Max. amount of fibers in optical module

6

12

Outer coating thickness, mm *

2

Diameter of cable, mm *

10.5

10.9

11.8

12.5

13.7

15.2

16.5

Cable mass, kg/km  **

123

140

155

187

210

250

285

Min. bending radius, const/dyn

10 / 20 cable diameters

Max. tensile force

(short-term/long-term), N

1500/600

1700/600

2000/800

2400/800

Max. compressive load, N/100mm

1000 / 300 (short-term/long-term)

Allowable temperatures

operation

-40°C – +60°C

storage

-50°C – +70°C

installation

-20°C – +50°C

Specifications (continued):

Amount of fibers, pcs.

156 – 192

204 – 216

228 – 240

252 – 264

276 – 288

300 – 312

Total amound of optical and filling modules

16

18

20

22

24

26

Max. amount of fibers in optical module

12

Outer coating thickness, mm *

2

Diameter of cable, mm *

16.7

17.4

18.2

19.0

19.8

20.5

Cable mass, kg/km  **

250

285

310

332

356

380

Min. bending radius, const/dyn

10 / 20 cable diameters

Max. tensile force, N

3000 / 1200 (short-term/long-term)

Max. 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 by ITU-T G.655

Description of colour marking of optical fibers you can find here

Symbolic notation of FinMark optical cables you can find here