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 SPECIFICATION ITEMS UNITS 50 Multi Mode 62.5 Multi Mode Attenuation dB/km ≤ 3.0 at 850nm ≤ 1.1 at 1300nm ≤ 3.5 at 850nm ≤ 1.2 at 1300nm Bandwidth MHz.km ≥ 400 at 850nm ≥ 600 at 1300nm ≥ 200 at 850nm ≥ 500 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 Concentricity Error ㎛ ≤ 3.0 ≤ 3.0 Coating Diameter ㎛ 245±15 245±15 Proof Test kpsi ≥ 100 ≥ 100 KRONE RESERVE THE RIGHT TO MAKE CHANGE TO THIS DOCUMENT WITHOUT PRIOR NOTICE 110D 19 Mar 2002 PAGE 2 OF 9 Table 2. The Optical, Geometrical and Mechanical Performance of the Single Mode Fiber ITEMS UNITS SPECIFICATION Typical Attenuation dB/km ≤ 0.50 at 1310nm ≤ 0.40 at 1550nm Maximum Attenuation dB/km ≤ 0.75 at 1310nm ≤ 0.75 at 1550nm Chromatic Dispersion ps/nm.km ≤ 3.2 at 1285nm ~ 1330nm ≤ 18 at 1550nm Zero Dispersion Wavelength nm 1300 ~ 1324 Zero Dispersion Slope ps/nm 2 .km ≤ 0.093 Cut-off Wavelength (λ cc, 22m of a cabled fiber) nm ≤ 1270 Mode Field Diameter ㎛ 9.3 ± 0.5 Mode Field Concentricity ㎛ ≤ 0.8 Cladding Diameter ㎛ 125 ± 1.0 Cladding Non-circularity % ≤ 1.0 Coating Diameter ㎛ 245 ± 15 Proof Test kpsi ≥ 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 DESCRIPTION Number of Fibers 2 ~ 12 Type of Fiber Single Mode, 62.5 Multi Mode, 50 Multi Mode Tight Buffer Coating Material: PVC Outer diameter: 900±50 ㎛ Dielectric Strength Member Aramid Yarn Rip Cord 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 110D 19 Mar 2002 PAGE 3 OF 9 3.2 Multi-unit Cable Table 4. Construction of the Multi-unit Cable ITEMS DESCRIPTION Number of Fibers 18 ~ 144 Type of Fiber Single Mode, 62.5 Multi Mode, 50 Multi Mode Tight Buffer Coating Material: PVC Outer diameter: 900±50 ㎛ No. of the Tight Buffered Fiber 6: For 18~24 Fiber Cable 12 : For 36~144 Fiber Cable Dielectric Strength Member Aramid Yarn Sub-unit Sub-unit Jacket PVC or LSZH Compound Dielectric CSM FRP (Fiberglass Reinforced Plastic) with PVC or LSZH Coating Rip Cord 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 No. of Tight Buffers Color 1 Blue 7 Red 2 Orange 8 Black 3 Green 9 Yellow 4 Brown 10 Violet 5 Grey 11 Pink 6 White 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) KRONE RESERVE THE RIGHT TO MAKE CHANGE TO THIS DOCUMENT WITHOUT PRIOR NOTICE 110D 19 Mar 2002 PAGE 4 OF 9 4.3 Outer jacket color Unless otherwise requested by the customer, all single mode outer cable jackets are yellow, all 50 Multi Mode and 62.5 Multi Mode outer cable jackets are orange If the optical fiber cable will be used outside, the outer cable jacket will be black. 5. PHYSICAL / MECHANICAL / ENVIRONMENTALPERFORMANCE 5.1 Temperature Range For the cables covered by this specification, the following temperature ranges apply: 1) Riser Cable Storage/Shipping temperature range : -40 to 65℃ Installation temperature range : -20 to 50℃ Operating temperature range : -20 to 50℃ 2) Plenum and General Purpose Cable Storage/Shipping temperature range : -40 to 65℃ Installation temperature range : 0 to 50℃ Operating temperature range : 0 to 50℃ 5.2 Mechanical and Environmental Performance of the Cable The mechanical and environmental performance of the cable shall be in accordance with Table 6 below. Unless otherwise specified, all attenuation measurements required in this section shall be performed and at 1550nm for single mode fiber KRONE RESERVE THE RIGHT TO MAKE CHANGE TO THIS DOCUMENT WITHOUT PRIOR NOTICE 110D 19 Mar 2002 PAGE 5 OF 9 Table 6. The Mechanical and Environmental Performance of the Cable ITEMS TEST METHOD AND ACCEPTANCE CRITERIA Tensile Loading and Bending Test # Test method: TIA/EIA-455-33A Mandrel diameter: 30D (D = cable diameter) Short term tensile load: 2~12 Fiber cable : 660N for 30 minutes 18 ~144 Fiber cable :1320N for 30 minutes Long term tensile load : 25% tensile load for 10 minutes # Acceptance Criteria Fiber strain: Less than 60% of the fiber proof strain for short term tensile load Attenuation increment: ≤ 0.30 dB at 1300nm (MM) ≤ 0.20 dB at 1550nm (SM) for long term tensile load Table 6. The Mechanical and Environmental Performance of the Cable (continued) ITEMS TEST METHOD AND ACCEPTANCE CRITERIA Compressive Loading Resistance Test # Test method: TIA/EIA-455-41A Applied load: 500 N/10cm for 2~12 Fiber cable 1000 N/10cm for 18~144 Fiber cable Duration of loading: 10 minutes # Acceptance Criteria Attenuation increment: ≤ 0.30 dB at 1300nm (MM) ≤ 0.20 dB at 1550nm (SM) Repeated Impact Test # Test method: TIA/EIA-455-25B Height of impact: 150mm Drop hammer mass: 0.5kg for 2~12 Fiber cable 2kg for 16~144 Fiber cable No. of impact cycles: 20 cycles # Acceptance Criteria Attenuation Increment: ≤ 0.30 dB at 1300nm (MM) ≤ 0.20 dB at 1550nm (SM) No jacket cracking and fiber breakage KRONE RESERVE THE RIGHT TO MAKE CHANGE TO THIS DOCUMENT WITHOUT PRIOR NOTICE 110D 19 Mar 2002 PAGE 6 OF 9 Cyclic Flexing Test # Test method: TIA/EIA-455-104A Sheave diameter: 20D (D = cable diameter) No. of flexing cycles: 25 cycles Flexing speed: 30 cycles/minute # Acceptance Criteria Attenuation Increment: ≤ 0.30 dB at 1300nm (MM) ≤ 0.20 dB at 1550nm (SM) No jacket cracking and fiber breakage Cable Twist Test # Test method: TIA/EIA-455-85A Cable length twisted: 2m No. of twist cycles: 10 cycles Twist angle: ±180˚ # Acceptance Criteria Attenuation Increment: ≤ 0.30 dB at 1300nm (MM) ≤ 0.20 dB at 1550nm (SM) No jacket cracking and fiber breakage Temperature Cycling Test # Test method: TIA/EIA-455-3A Temperature cycling schedule Riser Cable:25℃→ -20℃→ 50℃→ -20℃→ 50℃→ 25℃ Plenum, General Purpose Cable: 25℃→ 0℃→ 50℃→ 0℃→ 50℃→ 25℃ Soak time at each temperature: 24hours # Acceptance Criteria Attenuation Increment:≤ 0.50dB/km at 1300nm (MM) ≤ 0.30dB/km at 1550nm (SM) Flammability Test # General Purpose Cable: The cable shall comply with UL-1581, IEEE 383,IEC 332-1 # Riser Cable: The cable shall comply with UL-1666, IEEE 383,IEC 332-3 Category C # Plenum Cable: PVC Sheath Cable only The cable shall comply with UL-910, IEEE 383, IEC 332-3 KRONE RESERVE THE RIGHT TO MAKE CHANGE TO THIS DOCUMENT WITHOUT PRIOR NOTICE 110D 19 Mar 2002 PAGE 7 OF 9 6. PACKING AND MARKING 6.1 Cable Marking The jacket shall be marked at intervals of one meter with following information. 1) Length marking 2) KRONE 3) Cable type 4) Fiber type & counts 5) UL Marking 6) Year of manufacture 6.2 Cable Packing 6.2.1 Standard length of cable shall be 1km. Other cable length is also available if required by customer. 6.2.2 Each length of the cable shall be wound on a separate wooden reel or plywood reel. 6.2.3 Both ends of the cable shall be sealed with a suitable plastic cap or a suitable plastic tape to prevent the entry of moisture during shipping, handling and storage. 6.2.4 Wood-fiber board or circumference battens shall be laid on cable between flanges and fixed by steel bands 6.2.5 The cable ends shall be securely fastened to the reel to prevent the cable from becoming loose in transit or during placing operations. 6.3 Cable Reel 6.3.1 The sticker information on the spool (1) Length of cable in meters (2) Cable type and fiber counts (3) Gross weight in kilograms (4) KRONE (5) Year of manufacture 6.3.2 Details given below shall be distinctly marked on a weather proof materials on both outer sides of the reel flange: (1) Reel number (2) Arrow showing the direction the drum shall be rolled. 6.3.3 The cable shall be wound on the reel designed to prevent damages during shipment and installation. KRONE RESERVE THE RIGHT TO MAKE CHANGE TO THIS DOCUMENT WITHOUT PRIOR NOTICE 110D 19 Mar 2002 PAGE 8 OF 9 KRONE RESERVE THE RIGHT TO MAKE CHANGE TO THIS DOCUMENT WITHOUT PRIOR NOTICE 110D 19 Mar 2002 PAGE 9 OF 9 < Cross-sectional Drawing of Cable > 1. Distribution Cable 12 core PVC or LSZH Jacket PVC Tight Buffer Coating Optical Fiber (Outer Diameter after PUA coating : 245㎛) Aramid Yarn Ripcord (Aramid yarn) 2. Single Mode Distribution Cable 24 core Optical Fiber (Outer Diameter after PUA coating : 245㎛) PVC Tight Buffer Coating Binder yarn PVC sub-unit Jacket Central Strength Member) Ripcord (Aramid yarn) PVC / LSZH Jacket SM #2 SM #3 Aramid Yarn SM #4 SM #1 == End of Specification == . the Tight Buffered Fiber 6: For 18~24 Fiber Cable 12 : For 36~144 Fiber Cable Dielectric Strength Member Aramid Yarn Sub-unit Sub-unit Jacket PVC. for fiber optic telecommunication cables used for indoor/ outdoor application. 1.2 Cable Description 1) Single-Unit, Distribution Cable (2~12 Fibers)