guangzhou fiber cablepuls co ltd
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GYXTW fiber optic cable is a type of fiber optic cable that is widely used in aerial application. This type of fiber optic cable has been praised due to its exceptional performance in Long Distance Symmetric role. As a matter of fact, GYXTW fiber optic cable plays an important role in the telecommunication industry and it’s highly recommended by many technicians.
Cable structure and parameter
| Fiber count | Tube diameter | Steel wire | Sheath thickness (nominal*) | Overall diameter (nominal**) | Weight (approx.) |
| mm | mm | mm | mm | kg/km | |
| 6 | 2.5 | 1.0 | 2.3 | 8.4 | 73 |
| 12 | 3.0 | 1.0 | 2.3 | 8.9 | 81 |
Performance of Cabled Optical Fiber
The performance of cabled optical fiber (ITU-T Rec. G.652D)
| Item | Specification |
| Fiber type | Single mode |
| Fiber material | Doped silica |
| Attenuation coefficient @ 1310 nm @ 1383 nm @ 1550 nm @ 1625 nm | ≤ 0.36 dB/km ≤0.35 dB/km ≤0.22 dB/km ≤0.25 dB/km |
| Point discontinuity | ≤ 0.05 dB |
| Cable cut-off wavelength | ≤ 1260 nm |
| Zero-dispersion wavelength | 1300 ~ 1324 nm |
| Zero-dispersion slope | ≤0.092 ps/(nm².km) |
| Chromatic dispersion @ 1288 ~ 1339 nm @ 1271 ~ 1360 nm @ 1550 nm @ 1625 nm | ≤3.5 ps/(nm. km) ≤5.3 ps/(nm. km) ≤18 ps/(nm. km) ≤22 ps/(nm. km) |
| PMD | ≤0.2 ps/km½ |
| Mode field diameter @ 1310 nm | (8.6~9.5)±0.6 um |
| Core / Clad concentricity error | ≤0.6 um |
| Cladding diameter | 125.0 ± 1 um |
| Cladding non-circularity | ≤1.0% |
| Primary coating diameter | 245 ± 10 um |
| Proof test level | 100 kpsi (=0.69 Gpa), 1% |
| Temperature dependence 0℃~ +70℃ @ 1310 & 1550nm | ≤ 0.1 dB/km |
