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Optical cable

Optical self-supporting cable FinMark LTxxx-SM-08

2
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. 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 serves as an additional protection from environmental impacts and protection from rodents at points of cable entry into buildings and structures. 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

62 – 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)

Width × heigth of cable, mm **

10.5 × 19.7

10.9 × 20.1

11.8 × 20.9

12.5 × 21.6

13.7 × 23.2

15.2 × 24.7

16.5 × 25.6

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

211/233/255

228/250/272

243/265/287

187/209/231

275/297/319

329/351/373

373/395/417

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/100 mm

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

Max. hanging length, m

100 / 130 / 170 (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 find here

Symbolic notation of FinMark optical cables you can find here