Self-supporting optical cable FinMark LTxxx-SM-08
Self-supporting optical cable FinMark LTxxx-SM-08
- Cable type LT
- Design self-supporting
- Application Suspension
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Description
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:
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Amount of fibers, pcs. |
4 – 30 |
32– 36 |
38 – 60 |
62 – 72 |
74 – 96 |
98 – 120 |
122 – 144 |
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Total amount of optical and filling modules |
5 |
6 |
5 |
6 |
7 / 8 |
8 / 9 / 10 |
11 / 12 |
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Max. amount of fibers in optical module |
6 |
12 |
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Outer coating thickness, mm * |
2 |
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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) |
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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 |
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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 |
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Min. bending radius, const/dyn |
10 / 20 cable diameters |
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Max. tensile force, N |
6000 / 8000 / 12000 (wire rope 3.6 / 4.2 / 5.1) |
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Max. compressive load, N/100 mm |
1000 / 300 (short-term/long-term) |
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Max. hanging length, m |
100 / 130 / 170 (wire rope 3.6 / 4.2 / 5.1 mm) |
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Allowable temperatures |
operation |
-40°C – +60°C |
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storage |
-50°C – +70°C |
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install. |
-20°C – +50°C |
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(*) – 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