Characteristics
◇ Can be installed without shutting off the power
◇ Excellent AT performance, The maximum inductive at the operating point of AT sheath can reach 25kV
◇Light weight and small diameter reducing the load caused by ice and wind and the load on towers and backprops
◇Large span lengths and the largest span is over 300m
◇Good performance of tensile strength and temperature
◇The design life span is 30 years
Technical data
No. of cable | 2~12 | |
Fiber Model | G.652D | |
Loose Tube | Material | PBT |
Diameter | 2.0±0.1mm | |
Thickness | 0.32±0.05 mm | |
Color | Nature | |
Strength Member | Material | FRP |
Diatmeter | 2.0±0.05 mm | |
Outer Sheath | Material | PE |
Color | Black | |
Cable Diameter | 8.2±0.2 mm | |
Cable Wetght | 60±5.0 kg/km | |
Allowable Tensile Strength | 1500N | |
Allowable Crush Resistance | 2200N/100mm | |
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 |
Fibre Color
No. | 1 | 2 | 3 | 4 | 5 | 6 |
Color | Blue | Orange | Green | Brown | Gray | White |
No. | 7 | 8 | 9 | 10 | 11 | 12 |
Color | Red | Black | Yellow | Violet | Pink | Aqua |
The properties of single mode optical fiber (ITU-T Rec. G.652.D)
Item | Specification |
Fiber type | Single mode |
Fiber material | Doped silica |
Attenuation coefficient @ 1310 nm @ 1383 nm @ 1550 nm @ 1625 nm |
£ 0.35 dB/km £ 0.32 dB/km £ 0.21 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) |
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 0oC~ +70oC @ 1310 & 1550nm | £ 0.1 dB/km |
Main mechanical & environmental performance test
Item | Test Method | Acceptance Condition |
Tensile Strength IEC 794-1-2-E1 | - Load: 1500N - Length of cable: about 50m | - Fiber strain £ 0.33% - Loss change £ 0.1 dB @1550 nm - No fiber break and no sheath damage. |
Crush Test IEC 60794-1-2-E3 | - Load: 1000N/100mm - Load time: 1min | - Loss change £ 0.1dB@1550nm - No fiber break and no sheath damage. |
Impact Test IEC 60794-1-2-E4 | - Points of impact: 3 - Times of per point: 1 - Impact energy: 5J | - Loss change £ 0.1dB@1550nm - No fiber break and no sheath damage. |
Temperature Cycling Test IEC60794-1-22-F1 | - Temperature step: +20oC→-40oC→+70oC →+20oC - Time per each step: 12 hrs - Number of cycle: 2 | - Loss change £ 0.1 dB/km@1550 nm - No fiber break and no sheath damage. |
Sheath marking
The optical fiber drop cable shall have sequentially numbered length marking at intervals of approximately 1 meter. The starting number of ordering length for any coil shall begin whit zero meter. The accuracy of the measurement of lenth marking shall be held within the limits of ±1%.
Manufacturer’s name
Type of wire
Year and month of manufacture
Length marking each meter along the wire
Applicantion
The actual status of overhead power lines is taken into full consideration when ADSS cable is being designed. For overhead power lines under 110kV, PE outer sheath is applied. FOR power lines equal to or over 110kV, AT outer sheath is applied. The dedicate design of aramid quantity and stranding process can satisfy the demand on various spans.