The loose tubes are made of high modulus plastics (PBT) and filled with a water resistant filling gel. Loose tubes are stranded around the non-metallic central strength member (FRP). The cable core wrapped with a water blocking tape, Polyethylene (PE) is extruded as inner sheath, then corrugated steel tape are longitudinally applied over the inner sheath, and combined with a durable PE sheath. This part integrated with a steel messenger is jacketed with polyethylene (PE) in a Figure-8 shape.
Characteristics
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GYFC8Y53
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 | |
Loose tube | No.of tubes*fibres per tube | 4*6 | 4*12 | 6*12 | 8*12 | 12*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 | |
Coated CSM diameter(mm) | - | - | 4.2 | 7.4 | ||
Water blocking material | Material | Water blocking tape&yam | ||||
Inner sheath | Thickness(mm) | Nominal:1.0 | ||||
Armor | Material | Corrugated steel tape | ||||
Messenger wire | Structure and diameter(mm) | 7*1.6 | ||||
Outer sheath | Thickness(mm) | Nominal:2.0 | ||||
Cable diameter(mm)Approx | 13.4*24.4 | 15.0*26.0 | 15.4*26.4 | 16.8*27.8 | 20.2*31.2 | |
Cable weight(kg/km)Approx | 270 | 320 | 350 | 390 | 420 | |
Operating temperature range(℃) | -40~+70 | |||||
Tensile strength short/long term(N) | 8000/2700 | |||||
Crush resistance short/long term(N/100mm) | 3000/900 |
The colour arrangement of fibre and tube is specified in the color identification table.
Other structure and fibre count are also available according to customer requirements.
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, 20Nm 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 |
All optical measurements at 1550nm.
Packing and Reel Length
Standard wooden drum with protection.
Standard reel length: 2/3km/reel, other length is also available.