Optical Characteristics
| Parameter / Property | G.652.D | G.655
| 50/125μm | 62.5/125μm |
| Attenuation @850nm | - | - | ≤3.0 dB/km | ≤3.0 dB/km |
| Attenuation @1300nm | - | - | ≤1.0 dB/km | ≤1.0 dB/km |
| Attenuation @1310nm | ≤0.36 dB/km | ≤0.40 dB/km | - | - |
| Attenuation @1550nm | ≤0.22 dB/km | ≤0.23 dB/km | - | - |
| Bandwidth @850nm | - | - | ≥500 MHz·km | ≥200 MHz·km |
| Bandwidth @1300nm | - | - | ≥1000 MHz·km | ≥600 MHz·km |
| Polarization mode dispersion (Individual fiber) | ≤0.20 ps/√km | ≤0.20 ps/√km | - | - |
| Design link value (M=20, Q=0.01%) | ≤0.1 ps/√km | ≤0.1 ps/√km | - | - |
Technical Data
| Item | Contents | Value |
| Fibre Count | 24 | 48 | 72 | 96 | 144 | 288 |
| Loose Tube | No.of tubes*fibres per tube | 4*6 | 4*12 | 6*12 | 8*12 | 12*12 | 24*12 |
| Outer diameter(mm) | 1.9 | 2.4 |
| Central Strength Member | Material | FRP |
| Diameter(mm) | 2.0 | 2.0 | 2.6 | 2.6 | 2.6 | 2.6 |
| Coated CSM diameter(mm) | - | - |
| 4.2 | 7.4 | 4.8 |
| Water blocking material | Material | Water blocking tape |
| Armor | Material | Corrugated steel tape |
| Messenger wire | Structure and diameter (mm) | 7*1.6 |
| Sheath | Thickness (mm) | Nominal:1.8 |
| Cable Diameter(mm)Approx | 11.1*22.1 | 12.1*23.1 | 12.6*23.6 | 14.6*25.6 | 17.6*28.6 | 20.6*31.6 |
| Cable Weight(kg/km)Approx | 280 | 310 | 330 | 370 | 440 | 495 |
| Operating Temperature Range(℃) | -40~+70 |
| Tensile Strength Short/Long Term(N) | 8000/2700 |
| Crush Resistance Short/Long Term(N/100mm) | 2000/600 |
Main Mechanical and Environmental Performances
| Item | Test Standard | Specified Value | Requirements |
| Tension | IEC 60794-1-2-E1 | See Technical data | Additional attenuation ≤ 0.1dB after test |
| Crush | IEC 60794-1-2-E3 | See Technical data | Additional attenuation ≤ 0.1dB after test |
| Impact | IEC 60794-1-2-E4 | R=300mm, 10Nm one in 3 different places | Additional attenuation ≤ 0.1dB after test |
| Repeated Bending | IEC 60794-1-2-E6 | R=20*D | Additional attenuation ≤ 0.1dB after test |
| Water Penetration | IEC 60794-1-2-F5 | Sample length=3m, Water height=1m, 24 hours | No water leakage |
| Temperature Cycling | IEC 60794-1-2-F1 | -40°C~+70°C | Attenuation change: ≤ 0.05dB/km after test |
Packing and Reel Length
Standard wooden drum with protection.
Standard reel length: 2/3km/reel, other length is also available.
