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The flat, two-core drop cable is for fiber-to-the-home (FTTH) applications. The G657A2 cable is constructed with two single-mode fibers protected by a fiber-reinforced plastic (FRP) dielectric strength member and an LSZH outer jacket. It is very lightweight and easy to install, and is generally used to connect the main distribution frame to the consolidation point.
house, apartment or offices. Industry standard connectors can be
It is used for direct termination due to the standard fiber size of 250 µm.
1. The special low bend sensitivity fiber provides high bandwidth and excellent communication transmission properties
2. Two parallel FRP strength members ensure good crush resistance performance to protect the fiber
3. A single steel wire as an additional strength element ensures good tensile strength performance
4. Simplex structure, lightweight and highly practical.
5. New flute design, easily disassembled and spliced, simplifying installation and maintenance
6. Low smoke emission, zero halogen and flame retardant sheath
1. FTTH for indoor and outdoor use
2. Suitable for both overhead and indoor placement methods.
3. Local and long-distance area network communication.
| Structure | Unit | Parameter | |
| Fiber count | Fibers | 2 | |
| Diameter | mm | 5.0*2.0 | |
| Weight | Kg/km | Approx.21 | |
| Case color |
| Black | |
| Cover material |
| LSZH | |
| OF steel wire | mm | 1.0±0.05mm | |
| Force member | mm | 0.5mm FRP | |
| Tension Force | N | 1500 | |
| Crush resistance | N | 2200 | |
| Warp Radio | Dynamic |
| 30 |
| Static |
| 15 | |
| Operating temperature | ℃ | -40 — +70 | |
| Category | Description | Specifications | |
| G.657A1 | |||
| Optical specifications | Attenuation | @1310-1625nm | ≤0.36dB/km |
| @1383±3nm | ≤0.36dB/km | ||
| @1550nm | ≤0.22dB/km | ||
| Attenuation discontinuity | ≤0.05 dB | ||
| Attenuation versus wavelength | @1285~1330nm | ≤0.05 dB/km | |
| @1525~1575nm | ≤0.05 dB/km | ||
| Zero dispersion wavelength | 1300~1324nm | ||
| Zero dispersion slope | ≤0.092ps/(nm2.km) | ||
| Dispersion | @1310nm | ≤3.5 ps/nm.km | |
| @1550nm | ≤18 ps/nm.km | ||
| Polarization mode dispersion (PMD) | ≤0.2ps/km1/2 | ||
| Cable cutoff wavelength (λcc) | ≤1260nm | ||
| Effective group refractive index | @1310nm | 1.4675 | |
| @1550nm | 1.4681 | ||
| Pérdida de macro curva (30mm radius ,100turns) 1625nm | ≤0.1 dB | ||
| Geometric Specs | Mode field diameter | @1310nm | 9.2±0.6μm |
| @1550nm | 10.4±0.8μm | ||
| Lining diameter | 125±1μm | ||
| Non-circular coating | ≤1.0% | ||
| Lining diameter | 245±7μm | ||
| Cladding/coating concentricity error | ≤8μm | ||
| Core/cladding concentricity error | ≤0.8μm | ||
| Mechanic Specs | Test level | ≥1.0% | |
| Fiber bending radius | ≥4.0m | ||
| Maximum strength of the lining strip | 1.3~8.9N | ||





By Queena from Libya - 2018.07.27 12:26
By Antonio from Washington - 2018.09.16 11:31 




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