G657A1 G657A2 Aerial Drop Cable 2 Core Flat Optical Cable Single Mode Light Weight
G657A1 G657A2 Aerial Drop Cable 2 Core Flat Optical Cable Single Mode Light Weight
Description
2x5mm Outdoor FTTH 2 Core G657A1 G657A2 Aerial Flat Drop Cable manufactured by ANC International Co., Limited is used externally on buildings or for residential applications. In the center of the cable is the optical fibers, with the two parallel non-metical enhanced FRP as the strength member, and surrounded with the LSZH jacket. Outdoor FTTH cables have the same function as common outdoor fiber cables, but also have some special features. FTTH outdoor cables are small in diameter, water-resistant, soft and bendable. They are easy to deploy and maintain.
Specification
Single mode optical fiber meeting ITU-T G657A1, G657A2
Individually colored optical fibers
Self-supporting structure, light weight, easy to install
Durable and flame retardant LSZH sheath, low smoke zero halogen
Steel wire as additional strength member has high tensile strength
Two parallel KFRP strength members ensure good performance of anti-electromagnetic and crush resistance
Usage
Outdoor aerial application
Used in the FTTH projects
High speed optical routes in building
High performance optical network operation
Technical Data
Table 1. Characteristics of the Single Mode Fiber (ref. ITU-T G657A)
| ITEMS | UNITS | SPECIFICATION |
| Attenuation | dB/km | ≤0.4 at 1310nm ≤0.3 at 1550nm |
| Chromatic Dispersion | ps/nm.km | ≤3.5 at 1285nm ~ 1330nm ≤18.0 at 1550nm |
| Zero Dispersion Wavelength | nm | 1300 ~ 1324 |
| Zero Dispersion Slope | ps/nm2.km |
≤0.095
|
| Cut-off Wavelength (λcc, 22m of a cabled fiber) | nm | ≤1260 |
| Mode Field Diameter | μm | 9.2±0.5 |
| Mode Field Concentricity |
μm
|
≤0.8 |
| Cladding Diameter |
μm
|
125±1.0 |
| Cladding Non-circularity | % | ≤1.0 |
| Coating cladding concentricity error |
μm
|
≤12.5 |
| Coating Diameter |
μm
|
245±10 |
| Bending loss (Bare fiber) Radius :7.5mm x 1 turn | dB | ≤0.5 at 1550nm |
| Proof Test | kpsi | ≥100 |
Construction of Optical Fiber Cable
| Items | Description |
| No. of fiber | 2 |
| Fiber model no. | Single mode: G.657A |
| Fiber colour | Blue, orange |
| Outer diameter of colour coating | 250±15um |
| Dielectric strength member | FRP + steel wire |
| Jacket | LSZH |
| Colour of Jacket | White or black |
| Size of optical fiber cable width x height | 5.0±0.2 mm 2.0±0.2 mm |
| Approx. weight cable Kg/KM | 20.0±1.0 kg/km |
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