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TECHNICAL SPECIFICATION FOR TIGHT-BUFFER/DISTRIBUTION CABLES FLAME-RETARDANT / LOW SMOKE ZERO HALOGEN USED FOR INDOOR/OUTDOOR APPLICATION (Based on GR 409 CORE) 5XXXLZHIOCCC/20 XXX – Core Count CCC – Fiber Type, 010 = 9/125, 050 = 50/125, 062 = 62.5/125 1. SCOPE 1.1 Application This specification covers the general requirements for fiber optic telecommunication cables used for indoor/outdoor application. 1.2 Cable Description 1) Single-Unit, Distribution Cable (2~12 Fibers) Tight buffered fiber, dielectric strength member and PVC / LSZH (Low Smoke Zero Halogen) jacket 2) Multi-Unit, Distribution Cable (18~144 Fibers) Tight buffered sub-unit cables, dielectric central strength member (CSM), PVC / LSZH (Low Smoke Zero Halogen) jacket 2. OPTICAL FIBER The optical, geometrical and mechanical performance of the optical fiber shall be in accordance with Table 1 and Table 2 below. Table 1. The Optical, Geometrical and Mechanical Performance of the Multi Mode Fiber ITEMS UNITS SPECIFICATION 50 Multi Mode 62.5 Multi Mode Attenuation Bandwidth Numerical Aperture Core Diameter Core Non-circularity Cladding Diameter Cladding Non-circularity Core/Cladding Concentricity Error Coating Diameter Proof Test dB/km ≤ 3.0 at 850nm ≤ 1.1 at 1300nm MHz.km ≥ 400 at 850nm ≥ 600 at 1300nm - 0.20±0.015 ㎛ 50±3.0 % ≤ 6.0 ㎛ 125±2.0 % ≤ 2.0 ㎛ ≤ 3.0 ㎛ 245±15 kpsi ≥ 100 ≤ 3.5 at 850nm ≤ 1.2 at 1300nm ≥ 200 at 850nm ≥ 500 at 1300nm 0.275±0.015 62.5±3.0 ≤ 6.0 125±2.0 ≤ 2.0 ≤ 3.0 245±15 ≥ 100 KRONE RESERVE THE RIGHT TO MAKE CHANGE TO THIS DOCUMENT WITHOUT PRIOR NOTICE PAGE 2 OF 9 110D 19 Mar 2002 Table 2. The Optical, Geometrical and Mechanical Performance of the Single Mode Fiber ITEMS Typical Attenuation Maximum Attenuation Chromatic Dispersion Zero Dispersion Wavelength Zero Dispersion Slope Cut-off Wavelength (λ cc, 22m of a cabled fiber) Mode Field Diameter Mode Field Concentricity Cladding Diameter Cladding Non-circularity Coating Diameter Proof Test UNITS dB/km dB/km ps/nm.km nm ps/nm2.km nm ㎛ ㎛ ㎛ % ㎛ kpsi SPECIFICATION ≤ 0.50 at 1310nm ≤ 0.40 at 1550nm ≤ 0.75 at 1310nm ≤ 0.75 at 1550nm ≤ 3.2 at 1285nm ~ 1330nm ≤ 18 at 1550nm 1300 ~ 1324 ≤ 0.093 ≤ 1270 9.3 ± 0.5 ≤ 0.8 125 ± 1.0 ≤ 1.0 245 ± 15 ≥ 100 3. CABLE CONSTRUCTION The construction of the cable shall be in accordance with Table 3 and Table 4 below. 3.1 Single-unit Cable Table 3. Construction of the Single-unit Cable ITEMS Number of Fibers DESCRIPTION 2 ~ 12 Type of Fiber Tight Buffer Coating Dielectric Strength Member Rip Cord Single Mode, 62.5 Multi Mode, 50 Multi Mode Material: PVC Outer diameter: 900±50 ㎛ Aramid Yarn Aramid ripcord (For 6 ~ 12 fiber cable) Outer Jacket Material : PVC or LSZH Compound KRONE RESERVE THE RIGHT TO MAKE CHANGE TO THIS DOCUMENT WITHOUT PRIOR NOTICE PAGE 3 OF 9 110D 19 Mar 2002 3.2 Multi-unit Cable Table 4. Construction of the Multi-unit Cable ITEMS Number of Fibers DESCRIPTION 18 ~ 144 Type of Fiber Tight Buffer Coating Single Mode, 62.5 Multi Mode, 50 Multi Mode Material: PVC Outer diameter: 900±50 ㎛ Sub-unit No. of the Tight Buffered Fiber Dielectric Strength Member Sub-unit Jacket 6: For 18~24 Fiber Cable 12 : For 36~144 Fiber Cable Aramid Yarn PVC or LSZH Compound Dielectric CSM Rip Cord FRP (Fiberglass Reinforced Plastic) with PVC or LSZH Coating Aramid Ripcord Outer Jacket Material : PVC or LSZH Compound 4. IDENTIFICATION 4.1 The Color Code of the tight buffer coating Table 5. The Color Code of the Tight Buffer Coating No. of Tight Buffers Color 1 Blue 2 Orange 3 Green 4 Brown 5 Grey 6 White No. of Tight Buffers Color 7 Red 8 Black 9 Yellow 10 Violet 11 Pink 12 Aqua 4.2 The Color of the sub-unit jacket Unless otherwise requested by the customer, all single mode sub-unit jackets are yellow, all 50 Multi Mode and 62.5 Multi Mode sub-unit jackets are orange The identification code & number is printed on the sub-unit jacket repeatedly (every 10 cm) ... - tailieumienphi.vn
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