PRODUCTION CATALOG

Optical Fibre Types and ParametersExample of Reference Designation Of CablePART IApplicable Types of Optical Fibres10 – single-mode standard with non-shifted dispersion (upon recommendation of G.652 MSE-T)9,5 – single-mode with non-zero shifted dispersion (upon recommendation of G.655 MSE-T)M/50 – multimode gradient with 50 μm core diameterM/62,5 – the same with 62,5 μm core diameterParametersParameters of multimode optical fibresMeasureunitValue for optical fibre typeМ/50 М/62,5Core diameter μm 5,0±3,0 62,5Sheath diameter μm 125±2,0 125±2,0Eccentricity of sheath core μm 3 3Non-circularity of sheath % 2 2Diameter of protective coating μm 245±10 245±10Operating wavelength Nm 1300 1300Attenuation constant, not over dB/km 0,7 0,7Numerical aperture - 0,20±0,015 0,275±0,015Bandwidth factor, over MHz•km 600 600Attenuation constanton 1310 nm wavelengthon 1550 nm wavelengthParametersChromatic dispersionon 1285-1330 nm wavelengthon 1550 nm wavelengthMeasureunitdB/kmps/nm - kmSlope of dispersion curve in zero point ps/nm – km 2 0,092Parameters of single-mode optical fibresValue for optical fibre type10 9,50,350,22 0,25Cutoff wavelength nm 1100-1330Polarized mode dispersion ps/km 0,5OMZKGM – 10 – 01 – 0,22 – 32 – (7,0)3,51,8(1530-1565 nm)1,0-6,0Numberof optical fibres(OF)Admissibletensile stress, kNAttenuation constant:0,21 dB/km on λ=1550 nm0,35 dB/km on λ=1310 nmDesign number for cables with M index01-central strength member from fibreglass plastic02-central strength member from steel rope03-central strength member from steel wireДDiameter of mode field, core:10 – for single-mode OF with non-shifted dispersion9,5 – for single-mode OF with non-zero shifted dispersion50 – for multimode OF62,5 – for multi-mode OFOMZKGM: O-for optical cable, M-for long-distance, Z-for areal, K-for duct system, G-for ground, M-for multimodule design.OMZKGC: O-for optical cable, M-for long-distance, Z-for areal, K-for duct system, G-for ground, C-for single design with central tube.OKSTM: O-for optical cable, ST-for steel corrugated armour, M-for multimodule design.13