KRSI-JF-510C-GSP Page 1 of 8 TECHNICAL SPECIFICATION LOOSE TUBE DESIGN, SINGLE JACKET/ SINGLE ARMOR, JELLY-FILLED, F/O CABLE KRSI-JF-510C-GSP Page 2 of 8 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) Single Jacket/Single Armor Jelly filled CableSingle and 50 or 62.5 Multi mode color coded fibers, jelly filled color coded loose tubes, PE filler (if required), SZ-stranded around the dielectric central strength member, jelly filled, dielectric strength member, water blocking tape, corrugated steel tape armor and outer PE jacket 2. OPTICAL 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 ITEMS UNITS SPECIFICATION 50 Multi Mode 62.5 Multi Mode Attenuation dB/km 3.5 at 850nm 1.0 at 1300nm 3.5 at 850nm 1.0 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 *Note) Superior performance available upon request. KRSI-JF-510C-GSP Page 3 of 8 Table 2. The Optical, Geometrical and Mechanical Performance of the Single Mode Fiber ITEMS UNITS SPECIFICATION Attenuation dB/km 0.4 at 1310nm 0.25 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 (λcc, 22m of a cabled fiber) nm 1270 Mode Field Diameter 9.3± 1.0% Mode Field Concentricity 0.8 Cladding Diameter 125±1.0 Cladding Non-circularity % 1.0 Coating Diameter 245±15 Proof Test kpsi 100 *Note) Superior performance available upon request. 3. CABLE CONSTRUCTION The construction of the cable shall be in accordance with Table 3 below. Table 3. Construction of the Cable ITEMS DESCRIPTION Type of Fiber Single Mode or 62.5 Multi Mode or 50 Multi Mode Number of Fibers 2 ~ 72 No. of Fibers per Tube Max. 12 Material PBT (Polybutylene Terephthalate) Loose Buffer Tube Diameter Nom. 2.4mm Filling Compound in Loose Buffer Tube Thixotropic Jelly Compound Filling Compound between Loose Buffer Tubes Polybuthane Type Jelly Compound Central Strength Member FRP(Fiberglass Reinforced Plastic) Core Wrapping Tape Plastic Tape (To provide heat barrier and good forming of core) KRSI-JF-510C-GSP Page 4 of 8 Table 3. Construction of the Cable(continued) ITEMS DESCRIPTION Dielectric Strength Member Glass yarns (To provide the required tensile strength together with the central strength member) Water Blocking Material Water Swellable Tape (To prevent the ingress of water) Material Steel Tape with Plastic Coating on Both Sides Armor Thickness Nom. 0.15mm (Steel Tape) Nom. 0.05mm (Plastic Coating) Material Black MDPE Outer Jacket Thickness Nom. 1.8mm, Min. 1.25mm 4. FIBER AND LOOSE BUFFER TUBE IDENTIFICATION The color code of the loose buffer tubes and the individual fibers within each loose buffer tube shall be in accordance with Table 4 below. Table 4. The Color Code of the Individual Fibers and Loose Tubes No. of Fibers/ Loose Buffer Tubes Color No. of Fibers/ Loose Buffer Tubes Color 1Blue7 Red 2 Orange 8 Black 3 Green 9 Yellow 4 Brown 10 Violet 5Gray11Pink 6 White 12 Aqua KRSI-JF-510C-GSP Page 5 of 8 5. PHYSICAL / MECHANICAL / ENVIRONMENTAL PERFORMANCE The mechanical and environmental performance of the cable shall be in accordance with Table 5 below. Unless otherwise specified, all attenuation measurements required in this section shall be performed at 1550nm for single mode fiber (SM) and at 1300nm for multi mode fiber (MM). Table 5. 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: 2,700N for 1 hour -. Long term tensile load: 1,000N for 10 minutes # Acceptance Criteria -. Fiber strain: Less than 60% of the fiber proof strain for short term tensile load -. Attenuation increment: 0.10 dB (SM) 0.20 dB (MM) for long term tensile load Compressive Loading Resistance Test # Test method: TIA/EIA-455-41A -. Applied load: 110 N/cm -. Duration of loading: 10 minutes # Acceptance Criteria -. Attenuation Increment: 0.10 dB (SM) 0.20 dB (MM) Repeated Impact Test # Test method: TIA/EIA-455-25B -. Height of impact: 150mm -. Drop hammer mass: 2.0kg -. No. of impact cycles: 20 cycles # Acceptance Criteria -. Attenuation Increment: 0.10 dB (SM) 0.20 dB (MM) -. No jacket cracking and fiber breakage 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: 0.10 dB (SM) 0.20 dB (MM) -. No jacket cracking and fiber breakage KRSI-JF-510C-GSP Page 6 of 8 Table 5. The Mechanical and Environmental Performance of the Cable (continued) ITEMS TEST METHOD AND ACCEPTANCE CRITERIA 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: 0.10 dB (SM) 0.20 dB (MM) -. No jacket cracking and fiber breakage Temperature Cycling Test # Test method: TIA/EIA-455-3A -. Temperature cycling schedule : 23 -30 65 -30 23 -. Soak time at each temperature: 8hours # Acceptance Criteria -. Attenuation increment: 0.15 dB/km (SM) 0.20 dB/km (MM) Water Penetration Test # Test method: TIA/EIA-455-82B -. Length of specimen: 3m -. Height of pressure head: 1m -. Test time: 24 hours # Acceptance Criteria -. No leakage through the open cable end 6. PACKING AND MARKING 6.1 Cable Marking The jacket shall be marked at intervals of one meter with following information, 1) KRONE 2) Cable type and fiber counts 3) Year of manufacture 4) Length marking 6.2 Cable Packing 6.2.1 Standard length of cable shall be 2km. 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. 6.2.3 Both ends of the cable shall be sealed with a suitable plastic cap to prevent the entry of moisture during shipping, handling and storage. KRSI-JF-510C-GSP Page 7 of 8 6.2.4 Wood-fiber board instead of 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 Details given below shall be distinctly marked on a weather proof materials on both outer sides of the reel flange, (1) KRONE (2) Length of cable in meters (3) Cable type and fiber counts (4) Gross weight in kilograms (5) Reel number (6) Year of manufacture (7) Arrow showing the direction the drum shall be rolled 6.3.2 The cable shall be wound on the reel designed to prevent damages during shipment and installation. 6.3.3 The arbor hole on each flange shall be lined with a metal plate. KRSI-JF-510C-GSP Page 8 of 8 < Cross-section Drawing of Cable > No. of Fibers Nominal Cable Diameter (mm) Approx. Cable Weight (kg/km) 2 ~ 72 14.5 210 *) Actual values for cable weight and diameter may deviate from the calculated values given in the table above. == End of Specification == Optical Fiber Filling Compound Loose Buffer Tube Filler (if necessary) Dielectric CSM Core Wrapping Tape Dielectric Strength Member Water Swellable Tape Corrugated Steel Tape Outer PE Jacket . KRSI-JF-510C-GSP Page 1 of 8 TECHNICAL SPECIFICATION LOOSE TUBE DESIGN, SINGLE JACKET/ SINGLE ARMOR, JELLY-FILLED, F/O CABLE KRSI-JF-510C-GSP Page. method: TIA/EIA-45 5-3 3A -. Mandrel diameter: 30D (D = cable diameter) -. Short term tensile load: 2,700N for 1 hour -. Long term tensile load: 1,000N for 10 minutes