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Tham khảo tài liệu 'datasheet - fo - cable - optic outdoor armor cable lszh sta 30mar04', công nghệ thông tin, quản trị mạng phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | TECHNICAL SPECIFICATION DRY CORE, OUTDOOR/INDOOR, STEEL TAPE ARMOR (STA) LSZH CABLE 7XXXLZHARMXXX 1. SCOPE 1.1 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. 1.2 Cable Description 1) Dry core / Single Jacket / Single Armor / Flame Retardant Cable Single mode and 50 or 62.5 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 Fiber SPECIFICATION ITEMS UNITS 50 Multi Mode 62.5 Multi Mode ≤3.0 at 850nm ≤3.5 at 850nm Attenuation dB/km ≤1.0 at 1300nm ≤1.0 at 1300nm ≥400 at 850nm ≥200 at 850nm Bandwidth MHz.km ≥600 at 1300nm ≥600 at 1300nm Numerical Aperture - 0.20±0.015 0.275±0.015 Core Diameter ㎛ 50±3.0 62.5±3.0 Core Non-circularity % ≤6.0 ≤6.0 Cladding Diameter ㎛ 125±2.0 125±2.0 Cladding Non-circularity % ≤2.0 ≤2.0 Core/Cladding 3.0 3.0 Concentricity Error ㎛≤ ≤ Coating Diameter ㎛ 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 Table 2. The Optical, Geometrical and Mechanical Performance of the Single Mode Fiber ITEMS UNITS SPECIFICATION ≤0.40 at 1310nm Attenuation dB/km ≤0.25 at 1550nm ≤3.2 at 1285nm ~ 1330nm Chromatic Dispersion ps/nm.km ≤18 at 1550nm Zero Dispersion Wavelength nm 1300 ~ 1324 Zero Dispersion Slope ps/nm2.km ≤0.093 Cut-off .