Tài liệu phần cứng tin học | ỆI KRONE TECHNICAL SPECIFICATION DRY CORE OUTDOOR INDOOR STEEL TAPE ARMOR STA LSZH CABLE 7XXXLZHARMXXX ï krone 1. SCOPE Application This specification covers the general requirements for fiber optic telecommunication cables used for inter-building backbone in duct direct buried and lashed aerial installation. Cable Description 1 Dry core Single Jacket Single Armor Flame Retardant Cable Single mode and 50 or multi mode color coded fibers jelly filled color coded loose tubes PE filler if necessary SZ-stranded around the dielectric central strength member water swellable yarn around the CSM water swellable tape outer strength member water swellable tape ripcords corrugated steel tape armor and outer LSZH PE jacket 2. OPTICAL FIBER 1 Manufacturing process MCVD 2 Fiber type Matched clad fiber The optical geometrical and mechanical performance of the optical fiber shall be in accordance with Table 1 and 2 below. Table 1. The Optical Geometrical and Mechanical Performance of the Multi Mode Fibei ITEMS UNITS SPECIFICATION 50 Multi Mode Multi Mode Attenuation dB km at 850nm at 1300nm at 850nm at 1300nm Bandwidth 400 at 850nm 600 at 1300nm 200 at 850nm 600 at 1300nm Numerical Aperture - Core Diameter tm 50 Core Non-circularity Cladding Diameter tm 125 125 Cladding Non-circularity Core Cladding Concentricity Error tm Coating Diameter tm 245 15 245 15 Proof Test kpsi 100 100 Note Other performance value available upon request. KRONE RESERVE THE RIGHT TO MAKE CHANGE TO THIS DOCUMENT WITHOUT PRIOR NOTICE KR2002-095 PAGE 2 OF 8 HI KRONE Table 2. The Optical Geometrical and Mechanical Performance of the Single Mode Fiber ITEMS UNITS SPECIFICATION Attenuation dB km at 1310nm at 1550nm Chromatic Dispersion ps at 1285nm 1330nm 18 at 1550nm Zero Dispersion Wavelength nm 1300 1324 Zero Dispersion Slope ps Cut-off Wavelength Acc 22m of a cabled .
