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Optical cable

Optical self-supporting cable FinMark LTxxx-SM-18

4
Manufacturer:
Type of cable:
LT
Design:

Use:
For hanging on supports of communication lines and electrical power supply lines, urban electric transport lines, between houses and other objects.

Design:
Cable with 5-12 optical modules, twisted around the central strength element, which can contain up to 144 optical fibers. Represents simplified version of a design LТxxx-SM-08 without steel goffer armour. 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. External coating is made from UV-stabilized polyethylene of high density. Carrying strength element is made from zinc-coated twisted wire rope, with a thickness of 3.6, 4.2 or 5.1 mm, which provides for cable a high resistance to longitudinal stress.

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 steel carrying wire(twisted from braiding), mm

3.6 (7 × 1.2mm), 4.2 (7 × 1.4mm) or 5.1 (7 × 1.7mm)

Diameter/heigth of cable, mm **

9.8/19.0

10.2/19.4

11.0/20.2

11.7/20.9

12.5/21.7

14.1/23.3

15.7/24.9

Cable mass (wire rope 3.6 / 4.2 / 5.1), kg/km  **

173/195/217

188/210/232

195/217/239

223/245/267

240/262/284

263/285/307

300/322/344

Min. bending radius, const/dyn

10 / 20 cable diameters

Max. tensile force, N

6000 / 8000 / 12000 (wire rope 3.6 / 4.2 / 5.1)

Max. compressive load, N/100mm

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

Max. hanging length, m

125 / 150 / 190 (wire rope 3.6 / 4.2 / 5.1 mm)

Allowable temperatures

Operation

-40°C – +60°C

storage

-50°C – +70°C

install.

-20°C – +50°C

(*) - allowable deviation +/- 0.2 mm
(**) - averaged
(***) - maximum hanging length is indicated, calculated for temperate climate.

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