Tài liệu ADC KRONE - Datasheet - FO - Cable - Figure 8 Non armor N0XXLTSF8010 docx

TECHNICAL SPECIFICATION FOR Optical Fiber Cable Loose Tube / Jelly Filled Core Single Jacket / Figure-8 SINGLE MODE (ITU-T G.652 or G.652C ) P/N N0XXLTSF8010 1. SCOPE 1.1 Application This specification covers the general requirements of optical cable for aerial application. 1.2 Cable Description Single mode color coded fibers, filled color coded loose tubes, PE filler (if necessary), SZ-stranded around the non-metallic central strength member, jelly filled, core wrapping tape, messenger wire and outer PE jacket. 2. OPTICAL FIBER The optical, geometrical, mechanical and environmental performance of the optical fiber shall be in accordance with Table 1 below. Table 1. Performance of Single Mode Fiber SPECIFICATION ITEMS UNITS ITU-T G652A ITU-T G652C Attenuation Coefficient At 1310nm At 1383nm * At 1550nm dB/km ≤ 0.36 - ≤ 0.22 ≤ 0.36 ≤ 0.36 ≤ 0.22 Chromatic Dispersion ps/nm.km ≤ 3.5 at 1285nm ~ 1330nm ≤ 18 at 1550nm Zero Dispersion Wavelength nm 1301.5 ~ 1321.5 Zero Dispersion Slope ps/nm 2 .km ≤ 0.093 Polarization Mode Dispersion ps/√km ≤ 0.5 Cut-off Wavelength (λcc) nm ≤ 1260 Macrobending Loss at 1550nm (37.5mm radius x 100turns) dB ≤ 0.5 Mode Field Diameter µ m 9.2 ± 0.4 at 1310nm 10.5 ± 1 at 1550nm Mode Field Concentricity Error µ m ≤ 0.5 Cladding Diameter µ m 125 ± 2.0 Cladding Non-circularity % ≤ 1 Coating Diameter µ m 245 ± 5 Proof Test Level kpsi ≥ 100 Coating Strip Force (typical) N 1.0 ~ 9.0 Effective Group Index (typical) - 1.4676 at 1310 nm 1.4682 at 1550 nm * The sampled attenuation average at this wavelength shall be less than or equal to the value specified at 1310 nm after hydrogen ageing according to IEC 60793-2-50 regarding the B1.3 fiber category. 3. CABLE CONSTRUCTION 3.1 Figure-8 type Self-supporting Aerial Cable Table 2. Construction of the Cable ITEMS DESCRIPTION Number of Fibers 12 ~ 96 Number of Fibers in a Tube 6 or 12 Loose Buffer Tube PBT (Polybutylene Terephthalate) Filling Compound in Loose Buffer Tube Thixotropic Jelly Compound Filler Polyethylene rod (if necessary) Central Strength Member FRP (Fiberglass Reinforced Plastic) Over-Coat of CSM Black Polyethylene (if necessary) Filling Compound between Loose Tubes Polybutene Jelly Compound Core Covering Tape Plastic tape Material 7-strand of galvanized steel wires Messenger Wire Thickness Nominal 1.6 mm (each strand) Web dimension Nominal 2mm (Height) x 2mm (Thickness) Material Black HDPE Outer Jacket Thickness Nom. 2.0 mm 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 3 below. Table 3. The Color Code of the Individual Fibers and Loose Tubes No. Color No. Color 1 Blue 7 Red 2 Orange 8 Black 3 Green 9 Yellow 4 Brown 10 Violet 5 Slate 11 Rose 6 White 12 Aqua 5. PHYSICAL / MECHANICAL / ENVIRONMENTAL PERFORMANCE AND TESTS 5.1 Temperature Range For the cables covered by this specification, the following temperature ranges apply: -. Operation : 0 °C to +70°C -. Installation : 0 °C to +50°C -. Storage/Shipping : 0 °C to +70°C 5.2 Mechanical and Environmental Performance of the Cable The mechanical and environmental performance of the cable shall be in accordance with Table 4 below. Unless otherwise specified, all attenuation measurements required in this section shall be performed at 1310nm & 1550nm. The cable messenger wire shall be removed from the cable configuration prior to performing torsion, repeated bending, cable bending and water penetration test. Table 4. The Mechanical and Environmental Performance of the Cable ITEMS TEST METHOD AND ACCEPTANCE CRITERIA Tensile Strength # Test method: IEC 60794-1-2 Method E1 -. Mandrel diameter: 30D (D = cable diameter) -. Length under tension: ≥ 50 m -. Applied load: 7500N for 1 hour # Acceptance Criteria -. Fiber elongation: ≤ 0.6% of fiber proof strain -. Attenuation increment: ≤ 0.1 dB -. No jacket cracking and fiber breakage Crush resistance # Test method: IEC 60794-1-2 Method E3 -. Applied load: 1100 N/100 mm for 10 minutes -. No of points: 1 point # Acceptance Criteria -. Attenuation Increment: ≤ 0.1 dB after completion of the test -. No jacket cracking and fiber breakage Impact resistance # Test method: IEC 794-1 Method E4 -. Height of impact: 1 m -. Drop hammer mass: 1 kg -. No. of impact per point: 1 time -. No. of impact points: 3 points (500mm interval) # Acceptance Criteria -. Attenuation Increment : ≤ 0.1 dB after completion of the test -. No jacket cracking and fiber breakage Table 4. The Mechanical and Environmental Performance of the Cable (Continued) ITEMS TEST METHOD AND ACCEPTANCE CRITERIA Repeated Bending # Test method: IEC 60794-1-2 Method E6 -. Sheave diameter: 15D (D = cable diameter) -. Flexing speed: Minimum 30 cycles/minute -. No. of flexing cycles: 25 cycles # Acceptance Criteria -. Attenuation Increment: ≤ 0.1 dB after completion of the test -. No jacket cracking and fiber breakage Torsion # Test method: IEC 60794-1-2 Method E7 -. Cable length twisted: 2m -. No. of twist cycles: 10 cycles -. Twist angle: ± 180° # Acceptance Criteria -. Attenuation Increment: ≤ 0.10 dB after completion of the test -. No sheath cracking and fiber breakage Cable bend # Test method: IEC 60794-1-2 Method E11A -. Mandrel diameter: 20D (D = cable diameter) -. No. of turns: 4 turns(wrapped and unwrapped) -. No. of flexing cycles: 10 cycles # Acceptance Criteria -. Attenuation Increment: ≤ 0.10 dB after the completion of the test -. No jacket cracking and fiber breakage Compound Flow / Drip # Test method: IEC 60794-1-2 Method E14 -. Length of specimen: 30cm -. Number of specimen: 5 -. Test temperature: 70°C -. Test time: 24 hours # Acceptance Criteria -. No drip (more than 0.005g) through the end Temperature Cycling # Test method: IEC 60794-1-2 Method F1 -. Temperature cycling schedule : 23°C → 0°C → 70°C → 0°C → 70°C -. Soak time at each temperature: 12 hours # Acceptance Criteria -. Attenuation increment: ≤ 0.1 dB/km Water Penetration # Test method: IEC 60794-1-2 Method F5 -. Length of specimen: 3m -. Height of pressure head: 1m -. Test time: 24 hours # Acceptance Criteria -. No leakage through the open cable end 6. TYPICAL SPAN, SAG AND TENSION NESC loading condition, recommended span, sag and tension for Figure-8 type aerial cable is described in Table 5 and 6 below. Table 5. Recommended Span, Sag and Tension Every Day Operation NESC Loading (Light) Fiber Counts Span (m) Normal Sag (m ) Tension (kg) Max. Sag (m) Max. Tension (kg) 6 ~ 36 100 1.0 310 2.04 510 48, 60 100 1.0 320 2.05 530 72 100 1.0 340 2.04 540 96 100 1.0 380 2.02 590 Table 6. Environmental Conditions in NESC Loading Districts (NESC, Rule 250B) Items Unit Light Medium Heavy Installation 20 20 20 Every Day Operation 15 15 15 Temperature Max. Operation °C -1 -10 -20 Ice Thickness mm - 6.5 12.5 Wind Speed km/hr 123.2 82.1 82.1 Wind Pressure kg/m 2 43.9 19.4 19.4 7. PACKING AND MARKING 7.1 Cable and Length Marking The jacket shall be marked with white characters at intervals of one meter with following information. Other marking is also available if requested by customer. 1) KRONE 2) Type and number of fiber 3) Name of the manufacturer 4) Year & month of manufacture 5) Length marking * Other marking is also available if requested by customer. 7.2 Cable Re-marking The re-marking shall be marked, preferably with yellow characters, on the outer cable sheath. Any cable that contains two sets of cable markings shall be marked to indicate the color of the marking to be used. 7.3 Cable Packing 7.3.1 Standard length of cable shall be 4,000 meters. Other cable length is also available if requested by customer. 7.3.2 Short lengths: up to 10% of the deliveries may be shorter than the standard length but never shorter than 2,000 meters. 7.3.3 Each length of the cable shall be wound on a separate wooden reel. 7.3.4 Both ends of the cable shall be sealed with suitable plastic caps to prevent the entry of moisture during shipping, handling and storage. 7.3.5 The cable ends shall be securely fastened to the reel to prevent the cable from becoming loose in transit or during placing operations. 7.3.6 The inner end of the cable is housed into a slot on the side of the reel without extra cable length for testing. 7.3.7 Circumference battens or wood-fiber board shall be secured with steel bands to protect the cable during normal handling and shipping. 7.4 Cable Reel 7.4.1 Details given below shall be distinctly marked with weather proof material on both outer sides of the reel flange: (1) KRONE (2) Cable type and fiber type & counts (3) Length of cable in meters (4) Starting metric number (5) Finishing metric number (6) Net weight in kilograms (7) Reel number (8) Year of manufacture (9) Arrow showing the direction the drum shall be rolled Other shipping mark is also available if requested by customer. 7.4.2 The cable shall be shipped on reels designed to prevent damage to the cable during shipment and installation. 7.4.3 The arbor holes provided in the reels shall be at least 65 mm and at most 120 mm in diameter. < Cross-sectional Drawing of Cable > 1) 24-fiber cable y Optical Fiber y Thixotropic Jelly Compound y Loose Buffer Tube y PE Filler y Filling Compound y FRP y Plastic Tape y Outer PE Jacket y Supporting Strand 2) 48-fiber cable y Optical Fiber y Thixotropic Jelly Compound y Loose Buffer Tube y PE Filler y FRP y Filling Compound y Plastic Tape y Outer PE Jacket y Supporting Strand 3) 96-fiber cable [Diameter and Weight of Cable] Min. Bending Radius (mm) No. of Fibers Nominal Cable Diameter (mm x mm) Approx. Cable Weight (kg/km) Under Load No Load 6 ~ 36 10.3 x 21.1 244 206 103 48 ~ 60 11.0 x 21.8 254 220 110 72 11.5 x 22.3 265 230 115 96 13.1 x 23.9 300 262 131 *) Actual values for cable weight and diameter may deviate from the calculated values given in the table above. == End of Specification == y Optical Fiber y Thixotropic Jelly Compound y Loose Buffer Tube y Filling Compound y FRP y PE over-coating y Plastic Tape y Outer PE Jacket y Supporting Strand . 6079 3-2 -5 0 regarding the B1.3 fiber category. 3. CABLE CONSTRUCTION 3.1 Figure- 8 type Self-supporting Aerial Cable Table 2. Construction of the Cable. SPECIFICATION FOR Optical Fiber Cable Loose Tube / Jelly Filled Core Single Jacket / Figure- 8 SINGLE MODE (ITU-T G.652 or G.652C ) P/N N0XXLTSF8010 1. SCOPE