Structure Design
Description
Self-supported figure 8 optical cable with fibers placed in jelly filled loose buffer tube stranded around dielectric central member. The cable core is protected with jelly or water-blocking material to prevent water intrusion and migration. This set unit and galvanized steel messenger are covered with polyethylene outer Sheath.
Feature
1.Fiber: 2-288 fibers
2.Multi loose tube gel-filled Central Strength Member: FRP (Fiber reinforce plastic)
3.Water Blocking Material: Water blocking Tape/Yarn
4.Central Strength Member: FRP (Fiber reinforce plastic)
5.Outer Sheath: Black UV and moisture-resistant polyethylene (PE).
6.Messenger Member: Galvanized steel.
Optical Characteristics
| Item | Specification |
| Fiber type | Single-mode |
| Fiber material | Doped silica |
| Attenuation coefficient | £ 0.36 dB/km |
| @ 1310 nm | £ 0.32 dB/km |
| @ 1383 nm | £ 0.22 dB/km |
| @ 1550 nm | £ 0.30 dB/km |
| @ 1625 nm |
|
| 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) |
| 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 |
Cable Details
| No. of cable | 4 | 8 | 12 | 24 | 48 | 72 | 144 |
| Fiber Model | G.652D |
| Design(Strength Member +Tube&Filler) | 1+5 | 1+6 | 1+12 |
| Central Strength Member | Material | FRP |
| Diameter（±0.05）mm | 1.5 | 2.1 |
| Loose Tube | Material | PBT |
| Diameter（±0.06）mm | 1.8 | 2.1 |
| Thickness（±0.03）mm | 0.32 | 0.35 |
| The Max.Core NO./Tube | 4 | 6 | 12 |
| Filler Rope | Material | LDPE |
| Colour | White |
| Diameter（±0.06）mm | 1.8 | 2.1 |
| Water Blocking layer（Material） | Flooding Compound |
| Support pieces | Material | Galvanized steel strand |
| Size | 0.9×7 | 1.0×7 |
| Web | Material | MDPE |
| Size（±0.2）mm | 2.5×3 |
| Outer Sheath① | Material | MDPE |
| Thickness（±0.2）mm | 1.5 |
| Outer Sheath② | Material | MDPE |
| Thickness（±0.2）mm | 1.8 |
| Cable Diameter(W×H) （±0.2）mm | 8.5×16.6 | 9.1×17.0 | 9.7×18.1 | 13.8×22.2 |
| Cable Wetght（±10）kg/km | 120 | 132 | 150 | 235 |
| Min. bending radius | Without Tension | 10.0×Cable-φ |
| Under Maximum Tension | 20.0×Cable-φ |
| Temperature range | Installation | -20~+60 |
| （℃） | Transport&Storage | -40~+70 |
| Operation | -40~+70 |
Package
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