Technical Specifications of Optical Fiber Cable
Optical Fiber Characteristics
The characteristics of the ITU-T G.652.D optical fiber, including optical, geometrical, mechanical, and environmental aspects, shall conform to the table below.
Characteristics | Specified Values | Units | ||
Optical Characteristics | ||||
Mode field diameter | at 1310nm | 9.1±0.5 | µm | |
at 1550nm | 10.3 ± 0.7 | mm | ||
Attenuation coefficient | at 1310nm | ≤0.36 | dB/km | |
at 1550nm | ≤0.23 | dB/km | ||
Attenuation non-uniformity | ≤0.05 | dB | ||
Zero dispersion wavelength ( λ0) | 1300 ~1324 | nm | ||
Max zero dispersion slope (S0max) | ≤0.092 | ps/(nm2·km) | ||
Polarization mode dispersion coefficient(PMDQ) | ≤0.2 | |||
Cut-off wavelength (λcc) | ≤1260 | nm | ||
Dispersion coefficient | 1288~1339nm | ≤3.5 | ps/(nm·km) | |
1550nm | ≤18 | ps/(nm·km) | ||
Effective group index of refraction (Neff) | at 1310nm | 1.466 | - | |
at 1550nm | 1.467 | - | ||
Geometric characteristic | ||||
Cladding diameter | 125.0±1.0 | µm | ||
Cladding non-circularity | ≤1.0 | % | ||
Coating diameter | 245.0±10.0 | µm | ||
Coating-cladding concentricity error | ≤12.0 | µm | ||
Coating non-circularity | ≤6.0 | % | ||
Core-cladding concentricity error | ≤0.8 | µm | ||
Cladding / coating concentricity error | ≤12.0 | µm | ||
Mechanical characteristic | ||||
Curling | ≥4 | m | ||
Proof stress | ≥0.69 | GPa | ||
Coating strip force | Average value | 1.0-5.0 | N | |
Peak value | 1.3-8.9 | N | ||
Macro bending loss | Ф60mm, 100 circles, at 1550nm | ≤0.05 | dB | |
Ф32mm, 1 circles, at 1550nm | ≤0.05 | dB | ||
Characteristics of Cable
Cable Construction and Parameter
Overhead ground wire made of aluminum-clad steel wire (AS) and stainless steel tube containing optical fiber.
Cable type: OPGW-48B1.3-190[205;185.4]
Cross section of OPGW
Structure | Material | No. | Material Diameter | ||
Fiber | G.652.D | 48 | |||
Center | 20%AS wire | 1 | Diameter | 4.0mm | |
Layer 1 | SUS Tube | 4 | Diameter | 4.0mm | |
20%AS wire | 2 | Diameter | 4.0mm | ||
Layer 2 | 20%AS wire | 12 | Diameter | 4.0mm |
Specification of OPGW
Items | Technical Data | ||
Stranded | Core, layer 1, layer 2 | ||
Stranding direction | Outer layer is right hand | ||
Cable diameter (Nominal) | 20.0mm | ||
Cable Weight (Approx.) | 1365kg/km | ||
Supporting Cross Section | AS Wire | 188.5mm2 | |
Rated Tensile Strength (RTS) | 205kN | ||
Modulus of Elasticity (E-Modulus) | 162.0kN/mm2 | ||
Thermal Elongation Coefficient | 13.0×10-6/K | ||
Maximum Working Stress (40%RTS ) | 82.0kN | ||
Everyday Stress(EDS)(18%~25%RTS) | 36.9~51.25kN | ||
DC Resistance at 20℃ | 0.442 ohm/km | ||
Short time current (1.0s, 40℃~200℃) | 13.62kA | ||
Short time current Capacity I2t | 185.4kA²s | ||
Minimum bending radius | Installation | 30 times of cable diameter | |
Operation | 15 times of cable diameter | ||
Temperature Range | Installation | -10℃~+60℃ | |
Storage & shipping | -40℃~+60℃ | ||
Operation | -40℃~+80℃ | ||
Fiber and Loose Tube Color Identification
The individual fiber and loose tubes shall comply with standard TIA/EIA-598-A and the following color code.
Steel tube 1 (No.1-12 fibers) : Single mode optical fiber (SM)
Fiber Colors
NO. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
Color | Blue | Orange | Green | Brown | Grey | White | Red | Nature | Yellow | Violet | Pink | Aqua |
Steel tube 2 (No.13-24 fibers) : Single mode optical fiber (SM)
One black tracer (50mm pitch)
NO. | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 |
Color | Blue | Orange | Green | Brown | Grey | White | Red | Nature | Yellow | Violet | Pink | Aqua |
▌ | ▌ | ▌ | ▌ | ▌ | ▌ | ▌ | ▌ | ▌ | ▌ | ▌ | ▌ |
Steel tube 3 (No.25-36 fibers) : Single mode optical fiber (SM)
One black tracer (100mm pitch)
NO. | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 |
Color | Blue | Orange | Green | Brown | Grey | White | Red | Nature | Yellow | Violet | Pink | Aqua |
▌ | ▌ | ▌ | ▌ | ▌ | ▌ | ▌ | ▌ | ▌ | ▌ | ▌ | ▌ |
Steel tube 4 (No.37-48 fibers) : Single mode optical fiber (SM)
One black tracer (150mm pitch)
NO. | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 |
Color | Blue | Orange | Green | Brown | Grey | White | Red | Nature | Yellow | Violet | Pink | Aqua |
▌ | ▌ | ▌ | ▌ | ▌ | ▌ | ▌ | ▌ | ▌ | ▌ | ▌ | ▌ |
Installation Recommendations
Installation procedure:
We recommend using IEEE Std 524-1992 and our company's procedures for installing OPGW.
Standard Packaging: Wooden Drums. 2000m to 6000m/drum or other required.
Dong Guan Tw-Scie Co., Ltd. is a high-tech enterprise group in China devoted to communications undertakings with our own impoters and exporters rights. Since its founding, high quality products an strong co-operations have enabled the enterprise to stably and rapidly grow into a specialized communication Manufacturer supplier and engineering service provider the most complete product line-up and specifications in the fiber and cable industry of China.
The enterprise is possessed of a passel of faithful, intelligent, conscientious talents. While bending ourselves to following with the worldwide advanced development and application, we build up cooperation ties with many scientific research academy.
The main products of our enterprise are:Optical Fiber, Optical Fiber, Optical media converter, optical transceiver, optical coupler, optical modem, optical connector, optical distribution frame.
All of the products are widely used in telecom, electric power, railway and other related department, exporting France, India, Singapore, Malaysia.