ADSS
loose tube construction, 8 fibers per tube, tubes jelly filled, tubes and filler rods laid up around FRP central strength member
S/N | Item | Unit | Value | |
Cable | ||||
1 | Tube | Diameter | mm | 2.6 |
2 | Filler | Diameter | mm | 2.6 |
3 | FRP strength member | Diameter | mm | 2.8 |
4 | PE sheath | Thickness | mm | 1.5 |
6 | Out diameter | mm | 12.0 | |
7 | Cable weight | Kg | 105 | |
9 | MAT (MAX. Allowable Working tension) | N | 3000 (fiber strain<0.05%) | |
10 | RTS (Rated Tensile Strength) | N | 7600 | |
11 | Linear expansion coefficient | 10-6K-1 | 18.14 | |
12 | Elastic modulus of elongation | GP | 6.984 | |
13 | Short crush | N/100mm | 1500 | |
3. Characteristic of Optical Fiber
G652 (conform to IEC G.652 fiber standard）
Mode field diameter (1310nm): 9.2mm±0.4mm
Mode field diameter (1550nm): 10.5mm±0.8mm
Cladding diameter: 125mm±1.0mm
Core/cladding concentricity error: £0.6mm
Cladding non-circularity: £1.0%
Refractive index profile: step
Design: matched cladding
Effective group index of refraction Neff (at 1310nm): 1.4677
Effective group index of refraction Neff (at 1550nm): 1.4682
Cut off wavelength of fiber (lC): 1100~1330nm
Cut off wavelength of cabled fiber (lCC): £1260nm
Null dispersion wavelength 1300~1324nm
Attenuation at 1310nm: £0.36dB/km
Attenuation at 1550nm: £0.22dB/km
The loss increase of 100 turns of fiber loosely wound
with 30mm radius: £0.05dB
Dispersion in the range 1288to 1339nm: £3.5ps/(nm•km)
Dispersion in the range 1271 to 1360nm: £5.3ps/(nm•km)
Dispersion at 1550nm: £18ps/(nm•km)
Dispersion slope at zero dispersion wavelength: £0.092ps/(nm2•km)
