EasyBand® G657A1 Single Mode Fibre encompasses all the features of FullBand® fibre and provides good resistance to macro-bending. It has low macro-bending sensitivity and low water-peak levels. It is comprehensively optimised for us e in O-E-S-C-L band (1260-1625nm). Already bought this product from us? Share your experience on LinkedIn. FEATURES APPLICATIONS TECHNICAL DATASHEET Low attenuation satisfying operation demand in O-E-S-C-L band Good bending loss resistance at short radius bends Low bending loss for highly demanding cable designs including ribbons Low PMD satisfying high bit-rate and long-distance transmission requirements Accurate geometrical parameters that insure low splicing loss and high splicing efficiency Complies with or exceeds ITU-T recommendation G652D/G657A1 IEC 60703-2-50 type B1.3/B6A1 optical fibre specification Short pitch cables for special applications High-performance optical network operating is O-E-S-C-L band High-speed optical routes in buildings (FTTx) Cables with low bending requirements Optical Characteristics Conditions Specified Values Unit Attenuation 1310nm 1383nm (after H2-aging) 1460nm 1550nm 1625nm ≤0.35 ≤0.35 ≤0.25 ≤0.21 ≤0.23 dB/km dB/km dB/km dB/km Attenuation vs Wavelength Max. a difference 1285-1330nm, in reference to 1310nm 1525-1575nm, in reference to 1550nm ≤0.03 ≤0.02 dB/km dB/km Dispersion Coefficient 1285-1340nm 1550nm 1625nm -3.5 to 3.5 ≤18 ≤22 ps/(nm·km) ps/(nm·km) ps/(nm·km) Zero Dispersion Wavelength (λσ) – 1300-1324 nm Zero Dispersion Slope (Sσ) – ≤0.092 ps/(nm2·km) Typical Value – 0.086 ps/(nm2·km) PMD Maximum Individual Fibre Link Design Value (M=20, Q=0.01%) Typical Value – ≤0.1 ≤0.06 0.04 ps/√km ps/√km ps/√km Cable Cut-Off Wavelength (λcc) – ≤1260 nm Mode Field Diameter (MFD) 1310nm 1550nm 8.4-9.2 9.3-10.3 μm μm Effective Group Index of Refraction (Neff) 1310nm 1550nm 1.466 1.467 Point Discontinuities 1310nm 1550nm ≤0.05 ≤0.05 dB dB Geometrical Characteristics Cladding Diameter – 125.0±0.7 μm Cladding Non-Circularity – ≤0.7 % Coating Diameter – 235-245 μm Coating-Cladding Concentricity Error – ≤12.0 μm Coating Non-Circularity – ≤6.0 % Core-Cladding Concentricity Error – ≤0.5 μm Curl (radius) – ≥4 m 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 Proof Test – – – ≥9.0 ≥1.0 ≥100 N % kpsi Macro-bend Induced Loss 10 Turns Around a Mandrel of 15mm radius 10 Turns Around a Mandrel of 15mm radius 1 Turn Around a Mandrel of 10mm radius 1 Turn Around a Mandrel of 10mm radius 1550nm 1625nm 1550nm 1625nm ≤0.25 ≤1.0 ≤0.75 ≤1.5 dB dB dB dB Coating Strip Force Typical Average Force Peak Force 1.5 1.3-8.9 N N Dynamic Fatigue Parameter (nd) – ≥20 – G657A1 Single Mode Fibre DOWNLOAD DATASHEET
