|
DESIGN
1. Optical fibre produced by Fujikura, Corning, Draka
2. Hydrophobic filling in the module
3. Module - central tube from polybutyleneterephthalate
4. Hydrophobic filling between armour and module
5. Armour from circular steel corrugated wires
6. Jacket from polyethylene
|
|
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
|
|
SPECIFICATION
1. Outside diameter of the cable (depending on design), -10,6 -13 (mm)
2. Nominal weight (depending on design) - 218 - 238 (kg/km)
3. The cable is tensile stress resistant, - from 4,0 to 20,0 (kN)
4. The cable is crushing stress resistant, not less than -1000 N/cm
5. Attenuation constant, on 1550 nm wavelength - 0,21 dB/km
6. Total number of fibres-from 4 to 16
7. Electrical resistance of outside sheath (armour - ground) not less than 2000 MOhm/km
|
|
MARKING CABLE WHEN ORDERING
OMZKGC-10-01-0,22-4...144 (8,0) optical long-distance intraareal cable:
O-for optical, M-for long-distance, Z-for areal, K-for duct, G-for ground,
C-for single-module, 10-diameter of mode field, 01- central tube from polybutyleneterephthalate, 0,22-attenuation constant, 4...16-number of fibres, 8,0-admissible tensile stress.
OMZKGCN-10-01-0,22-4...144 (8,0) cables in non-combustible design, sheath from a material not spreading combustion.
|
