FinMark LTxxx-SM-02 optical cable
FinMark LTxxx-SM-02 optical cable
- Cable type LT
- Design Armored
- Application Soil, in cable-conduit lines, tunnel, entering into the building
Fiber Count of an Optical Cable
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Description
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 |
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Outer coating thickness, mm * |
2 |
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|
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 |
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Max. tensile force (short-term/long-term), N |
1500/600 |
1700/600 |
2000/800 |
2400/800 |
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Max. compressive load, N/100mm |
1000 / 300 (short-term/long-term) |
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|
Allowable temperatures |
operation |
-40°C – +60°C |
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storage |
-50°C – +70°C |
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installation |
-20°C – +50°C |
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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 |
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|
Outer coating thickness, mm * |
2 |
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|
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 |
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|
Max. tensile force, N |
3000 / 1200 (short-term/long-term) |
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|
Max. compressive load, N/100mm |
1000 / 300 (short-term/long-term) |
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|
Allowable temperatures |
operation |
-40°C – +60°C |
|||||
|
storage |
-50°C – +70°C |
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|
install. |
-20°C – +50°C |
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(*) – 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