Spec G657B3 Fibre Optic Cable

TECHNICAL DATASHEET Optical Characteristics Conditions Specified Values Unit Attenuation 1310nm 1383nm 1550nm 1625nm ≤0.35 ≤0.40 ≤0.23 ≤0.25 dB/km dB/km dB/km dB/km Mode Field Diameter (MFD) 1310nm 1550nm 8.4-9.2 9.3-10.3 μm μm Cable Cut-Off Wavelength (λcc) – ≤1260 nm Zero Dispersion Slope (Sσ) 1550nm ≤0.11 ps/(nm2·km) PMD – ≤0.5 ps/√km Geometrical Characteristics Cladding Diameter – 125.0±0.7 μm Cladding Non-Circularity – ≤0.1 % Coating Diameter – 245±7 μm Coating-Cladding Concentricity Error – ≤0.5 μm Coating-Cladding Concentricity Error – ≤0.5 μm Delivery Length – Up to 50.4 km/reel Environmental Characteristics 1310nm, 1550nm & 1625nm Temperature Dependence Induced Attenuation -60℃ to 85℃ ≤0.05 dB/km Temperature-Humidity Cycling Induced Attenuation -10℃ to 85℃, 98% RH ≤0.05 dB/km Water Immersion Dependence Induced Attenuation 23℃, for 30 days ≤0.05 dB/km Damp Heat Dependence Induced Attenuation 85℃ and 85% RH, for 30 days ≤0.05 dB/km Dry Heat Aging 85℃, for 30 days ≤0.05 dB/km Mechanical Characteristics Screening Tension – ≥100 kpsi Macro-Bend Induced Attenuation 1 turn Ф10mm 1 turn Ф10mm 1 turn Ф15mm 1 turn Ф15mm   1550nm 1625nm 1550nm 1625nm   ≤0.15 ≤0.45 ≤0.08 ≤0.25   dB dB dB dB Coating Strip Force 1.5 N Dynamic Stress Corrosion Susceptibility Parameter (nd) – ≥20 – DOWNLOAD DATASHEET