• Model:G.657.A2
• Standard:Complies with or exceed the technical specifications in ITU-T G.657.A1/A2/B2.
• Feature:Minimum bend radius 7.5mm, superior anti-bending property.Fully compatible with G.652 single-mode fiber.Full band (1260~1626nm) transmission.Low PMD for high bit-rate and long distance transmission.Extremely low micro-bending attenuation,applicable for all optical cable types including ribbon cable.High anti-fatigue parameter ensures service life under small bending radius.
• Application:All cable constructions, 1260~1626nm full band transmission, FTTH high speed optical routing, optical cable in small bend radius, small-size optical fiber cable and device, L-band.
Technical Parameter
Fiber Property | Main Indexes | Technical Parameter | |
---|---|---|---|
Geometrical Dimensions | Cladding diameter | 125.0±0.7um | |
Cladding non-circularity | ≤1% | ||
Coating diameter | 245±7 um | ||
Coating/cladding non-concentricity error | ≤12 um | ||
Coating non-circularity | ≤6% | ||
Core/cladding concentricity error | ≤0.6 um | ||
Fiber curl (radius) | ≥4 m | ||
Optical Characteristics | MFD(1310nm) | 9.2±0.4 um | |
MFD(1550nm) | 10.4±0.5 um | ||
Attenuation at 1310nm | ≤0.35 dB/km | ||
Attenuation at 1383nm | ≤0.35 dB/km | ||
Attenuation at 1550nm | ≤0.21 dB/km | ||
Attenuation at 1625nm | ≤0.23 dB/km | ||
Max. attenuation at 1285-1330nm, compared to that at 1550nm | ≤0.03 dB/km | ||
Max. attenuation at 1525-1575nm, compared to that at 1550nm | ≤0.02 dB/km | ||
Attenuation discontinuity at 1310nm | ≤0.05 dB | ||
Attenuation discontinuity at 1550nm | ≤0.05 dB | ||
PMD | ≤0.2 ps/(km1/2) | ||
PMDq | ≤0.1 ps/(km1/2) | ||
Zero-dispersion wavelength | 1312±12 nm | ||
Zero-dispersion slope | ≤0.091 ps/(nm2.km) | ||
Dispersion at 1550nm | ≤17 ps/(nm.km) | ||
Dispersion at 1625nm | ≤22 ps/(nm.km) | ||
Cable cutoff wavelength λc | ≤1260 nm | ||
Mechanical Property | Prooftest level | 1% | |
Dynamic fatigue | ≥20 | ||
Coating strip force | Average value | 1.7 N | |
Peak value | 1.3-8.9 N | ||
Environmental Property | Temperature attenuation (-60℃-±85℃, two cycles, at 1550nm) | ≤0.05 dB/km | |
Temperature-humidity cycling attenuation (85±2℃, relative humidity≥85%, 30 days, at 1550nm) | ≤0.05 dB/km | ||
Water immersion attenuation (23±5℃, 30 days, 1550nm) | ≤0.05 dB/km | ||
Dry heat aging attenuation (85±2℃,relative humidity 50%, 30 days, 1550nm) | ≤0.05 dB/km | ||
Bending Property | 10 turns, 15mm radius, at 1550nm | ≤0.03 dB | |
10 turns, 15mm radius, at 1625nm | ≤0.1dB | ||
1 turn, 10mm radius, at 1550nm | ≤0.1dB | ||
1 turn, 10mm radius, at 1625nm | ≤0.2dB | ||
1 turn, 7.5mm radius, at 1550nm | ≤0.2dB | ||
1 turn, 7.5mm radius, at 1625nm | ≤0.5dB |