of OKSTM (A-DF(SR)2Y-2...256E9/125), OKSTMN (A-DF(SR)FR-2...144E9/125) types
◄This type of product is always under the order, except for the cable presented in the offer. When ordering, please pay special attention to the item "MARKING CABLE WHEN ORDERING", which you will find below on the page. |
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FUNCTION:
The cable is designed for installation in cable duct, plastic tubes, on bridges
and trestleworks.
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1 - Hydrophobic compound
2 - Optical fibre
3 - Jacket from polyethylene
4 - Fibreglass plastic
5 - Aramide fibres
6 - Steel corrugated tape
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DESIGN
1. Hydrophobic filling in modules and between modules and sheath
2. Modules with optical fibres produced by Fujikura, Corning, Draka
3. Jacket from polyethylene
4. Central strength member – fibreglass plastic rod or steel rope
5. Intermediate strength member – aramide fibres
6. Intermediate sheath from polyethylene
7. Armour from steel corrugated tape with polymeric dual-coat
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SERVICE AND ASSEMBLY CONDITIONS
1. Operating temperature range - from -40°C to 70°C
2. The cables are designed for mechanized and manual installation at a temperature not lower than -10°C
3. Admissible bending radius during assembly not less than 20 nominal cable diameters during operation and not less than 250 mm during installation and assembly
4. The cables' service life, not less than - 25 years
5. The cables are resistant to mold fungi, dew, rain, frost, salt fog, solar radiation, and damage by rodents
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SPECIFICATION
1. Outside diameter of the cable (depending on design), - 11,3 – 12,1 (mm)
2. N ominal weight (depending on design) – 133 – 149 (kg/km)
3. The cable is tensile stress resistant, not less than - 2,7 kN
4. The cable is crushing stress resistant, not less than – 400 N/cm
5. Attenuation constant, on 1550 nm wavelength – 0,21 dB/km
6. N umber of fibres in a module –4-16
7. Total number of fibres – from 4 to 144
8. Electrical resistance of outside sheath (armour – ground) not less than 2000 MOhm/km
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MARKING CABLE WHEN ORDERING
OKSTM-10-01-0,22-4...144 (2,7) optical city cable: OK-for optical, ST-for corrugated armour, M-for multimodule, 10-diameter of mode field, 01- central strength member from fibreglass plastic, 0,22-attenuation constant in dB/km on 1550 nm wavelength, 4...144-number of fibres, 2,7-admissible tensile stress.
OKSTMN-10-01-0,22-4...144 (2,7) cables in non-combustible design, sheath from a material not spreading combustion.
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REGULATIONS
TU 16.К87-001-00
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