Description of GJFJH fiber, single core optical cable This product uses a single Ф900μm or Ф600μm flame retardant tight buffered optical cable as the optical transmission medium. The aramid yarn layer serves as the strength member on the exterior, then finally, an extruded buffer layer of PVC, LSZH, Hytrel, TPU, ETFE and other different materials are used as the sheathe.
Application Indoor optical cable cabling Optical fiber jumper wire or pigtail wire Indoor vertical shaft or forced ventilation wiring Instruments and telecommunication equipment interconnection
Parameter Technical parameter Item | Content | Value |
Number of cores | 1 |
Tight-buffered optical fiber | Material | LSZH |
Outer diameter/mm | (0.6/0.9)±0.05 |
Strength member | Material | Aramid yarn |
Outer sheath | Thickness /mm | ≥0.2 | ≥0.3 | ≥0.4 | ≥0.4 |
Outer diameter | mm | 1.6±0.1 | 2.0±0.1 | 2.8±0.1 | 3.0±0.1 |
Operating temperature | ℃ | -20~+60 |
Tensile force | Short term/long term N | 80/40 | 100/60 | 150/80 | 150/80 |
Flatten | Short term/long term N | 500/100 |
*We can design the structure of optical cable according to customer requirements. |
Characteristics of optical fiber | G.652.D | G.657A2 | 50/125μm | 62.5/125μm |
Attenuation | @850nm | - | - | ≤3.0dB/km | ≤3.0dB/km |
@1300nm | - | - | ≤1.0dB/km | ≤1.0dB/km |
@1310nm | ≤0.36dB/km | ≤0.36dB/km | - | - |
@1550nm | ≤0.22dB/km | ≤0.23dB/km | - | - |
Bandwidth | @850nm | - | - | ≥500MHz·km | ≥200MHz·km |
@1300nm | - | - | ≥1000MHz·km | ≥600MHz·km |
Fiber cutoff wavelength | | ≤1260nm | ≤1260nm | - | - |
Polarization mode dispersion | Single optical fiber | ≤0.20ps/√km | ≤0.20ps/√km | - | - |
Link value (M=20, Q=0.01%) | | ≤0.10ps/√km | - | - |
Main machinery and environment performance Item | Inspection standard | Procedure of inspection | Requirements |
Pull | IEC 60794-1-2-E1 | According to technical parameter | Residual additional attenuation≤0.03dB |
Flatten | IEC 60794-1-2-E3 | According to technical parameter | Additional attenuation for long term≤0.03dB |
Impact | IEC 60794-1-2-E4 | Impact: 1N, height: 1m, 3 points at least | The optical fiber will not be broken off. |
Backward and forward bending | IEC 60794-1-2-E6 | Load: 20N 200times | Residual additional attenuation≤0.03dB |
Temperature recycle test | IEC 60794-1-2-F1 | -20℃ ~+60℃ | Additional attenuation: single-mode≤0.5dB; multi-mode≤0.3dB |
Combustion performance | IEC 60332-1-2 | Fire resistance | Every single wire can be burnt vertically. |
Density of the smoke | Light transmittance ≥50% |
Corrosiveness | PH of the gas when burning≤4.3, electric conductivity≤10μs/mm |
* The monitoring of all optical fiber attenuation's change is operated in wavelength of 1550nm. |
Features The tight buffered optical fiber is easy to strip, and it features an excellent flame retardant performance. The aramid yarn layer serves as the strength member, giving the optical cable an excellent tensile property. This product is corrosion resistant, waterproof, ultra-violet resistant, flame retardant and environmentally friendly. The all-dielectric structure protects the optical fiber from electromagnetic interference.