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Unitube Outdoor Optical Fiber Cable:
This type of cable is mainly used on second class and trird class trunk routes and in rural communication network. It may also used as drop cable. It is suitable for aerial and duct installations.
2.Calbe Structure and ParameterFiber number
412B1
Tube outer diameter(mm)
2.4
Cable outer diameter(mm)
9.1
Cable weight(Kg/Km)
90
3.Fiber properties (The properties of SM optical fiber ITU-T Rec.G.652D)
Items | Specified Values |
Fiber Type | G.652 Single-mode fiber |
Mode Field Diameter@1310nm | 9.2±0.4μm |
Cladding Diameter | 125.0±1.0μm |
Mode Field Concentricity Error | ≤0.5μm |
Cladding No Circularity Error | 1.0% |
Cut-Off Wavelength | λcc(test 20m cable+2m fiber) ≤1260 nm |
Attenuation Coefficient 1310nm 1550nm |
≤0.36 dB/km ≤0.22 dB/km |
Dispersion Coefficient | 1288-1339nm≤3.5ps/nm.km 1270-1360nm≤5.3ps/nm.km 1550nm≤18ps/nm.km 1625nm≤22ps/nm.km |
Zero Dispersion Wavelength | 1300nm-1324nm |
Zero Dispersion Slope | ≤0.09ps/nm2.km |
PMDQ* | ≤0.2ps/km1/2 |
Coating Diameter | 245±10μm |
Proof Test | 100kpsi0.7Gpa |