Self-supporting optical cable FinMark LTxxx-SM-18
Self-supporting optical cable FinMark LTxxx-SM-18
- Cable type LT
- Design self-supporting
- Application Suspension
Fiber Count of an Optical Cable
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Description
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:
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Amount of fibers, pcs. |
4 – 30 |
32– 36 |
38 – 60 |
64 – 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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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 |
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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 |
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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/100mm |
1000 / 300 (short-term/long-term) |
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Max. hanging length, m |
125 / 150 / 190 (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 findhere
Symbolic notation of FinMark optical cables you can find here