Structure Design
Description
In the GYTA cable, single-mode/multi-mode fibers are positioned in the loose tubes, the tubes are filled with water blocking filling compound.Tubes and fillers are stranded around the strength member into a circular cable core. An APL is applied around the core. Which is filled with the filling compound to protect it. Then the cable is completed with a PE sheath.
Application
Aerial/ Duct/ Outdoor
Feature
1. Good mechanical and temperature performance.
2. High strength loose tube that is hydrolysis resistant.
3.Special tube filling compound ensure a critical protection of fiber.
4.Special designed compact structure is good at preventing loose tube from shrinking.
5.Crush resistance and flexibility.
6.PE sheath protects cable from ultraviolet radiation
7.The following measures are taken to ensure the cable watertight:
8. Steel wire used as the central strength member
9. Loose tube filling compound
10. 100% cable core filling
11. PSP enhancing moisture-proof
Optical Characteristics
| Fiber type | Single mode |
| Fiber material | Doped silica |
| Attenuation coefficient |
|
| @ 1310 nm | £ 0.35 dB/km |
| @ 1383 nm | £ 0.32 dB/km |
| @ 1550 nm | £ 0.21 dB/km |
| @ 1625 nm | £ 0.24 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 | £3.5 ps/(nm. km) |
| @ 1288 ~ 1339 nm | £5.3 ps/(nm. km) |
| @ 1271 ~ 1360 nm | £18 ps/(nm. km) |
| @ 1550 nm | £22 ps/(nm. km) |
| @ 1625 nm |
|
| PMDQ (Quadrature average*) | £0.2 ps/km1/2 |
| Mode field diameter @ 1310 nm | 9.2±0.4 um |
| Core / Clad concentricity error | £ 0.5 um |
| Cladding diameter | 125.0 ± 0.7 um |
| Cladding non-circularity | £1.0% |
| Primary coating diameter | 245 ± 10 um |
| Proof test level | 100 kpsi (=0.69 Gpa), 1% |
| Temperature dependence | £ 0.1 dB/km |
| 0oC~ +70oC @ 1310 & 1550nm |
Package
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