Description
2-12F 6.0mm Central Loose Tube cable has its optical fiber unit positioned in the center of a high – hardness PBT Loose tube. This tube offers very good protection to the fiber. An aramid yarn surrounds the PBT tube. The aramid yarn offers very good tensile performance to the cable. Then, the cable is completed with an LSZH sheath. The LSZH sheath can be used in indoor and outdoor environments.
Our cable features a small diameter, water – resistance, softness, and bendability. It’s easy to deploy and maintain. In addition, the non – metallic strength member can provide lightning protection and anti – electromagnetic interference. Round FTTH Drop cables are ideal for indoor cabling, direct end – user cabling, and access networks.
Standard color of fiber and tube
The color code of the individual fibers, shall be in accordance with the table as below:
| No. | 1 | 2 | 3 | 4 | 5 | 6 |
| Color | Blue | Orange | Green | Brown | Slate | White |
| No. | 7 | 8 | 9 | 10 | 11 | 12 |
| Color | Red | Black | Yellow | Violet | Pink | Aqua |
Cable Structure parameter
| Fiber Count | 1-12 | |
| Fiber Category | Single-mode G657A2 | |
| Cable | Material | LSZH |
| Color | Black | |
| Diameter (mm) | 6.0±0.5 | |
| PBT Loose tube | Material | PBT |
| Color | White | |
| Diameter (mm) | 2.0±0.1 | |
| Tensile Strength Elements and/or Armoring – Layer | Aramid yarn | |
| Nominal weight(kg/km) | 8.5 | |
Mechanical & Environmental Performance
| Item | Contents | Value |
| Max. tensile load | Short term | 1000N fiber strain≤0.6% |
| Long term | 400N | |
| Max. crush resistance | Short term | 1000N/100mm |
| Long term | 300N/100mm | |
| Min. bending radius | Installation | 20 x cable diameter |
| Operation | 10 x cable diameter | |
| Temperature range | Operation | -40℃ ~ +70℃ |
| Installation | -20℃ ~ +60℃ | |
| Storage/transportation | -40℃ ~ +70℃ |
Optical fiber technical parameters
| Fiber style | Unit | SM 9/125 | MM 50/125 | MM 62.5/125 | |
| Condition | nm | 1310/1550 | 850/1300 | 850/1300 | |
| Attenuation | dB/km | ≤0.34/0.2 | ≤3.0/1.0 | ≤3.0/1.0 | |
| Dispersion | 1310nm | Ps/(nm*km) | ≤18 | ….. | ….. |
| 1550nm | Ps/(nm*km) | ≤22 | ….. | ….. | |
| Bandwidth | 850nm | MHZ. KM | ….. | ≧400 | ≧160 |
| 1300nm | MHZ. KM | ….. | ≧800 | ≧500 | |
| Zero dispersion wavelength | nm | ≧1302,
≤1322 |
….. | ….. | |
| Zero dispersion slope | nm | ≤0.091 | ….. | ….. | |
| PMD Maximum Individual Fiber | ≤0.2 | ….. | ….. | ||
| PMD Design Link Value | Ps(nm2*km) | ≤0.08 | ….. | ….. | |
| Fiber cutoff wavelength λc | nm | ≧1180,
≤1330 |
….. | ….. | |
| Cable cutoff wavelength λcc | nm | ≤1260 | ….. | ….. | |
| MFD | 1310nm | um | 9.2±0.4 | ….. | ….. |
| 1550nm | um | 10.4±0.8 | ….. | ….. | |
| Numerical Aperture(NA) | …… | 0.200±0.015 | 0.275±0.015 | ||
| Step(mean of bidirectional measurement) | dB | ≤0.05 | ≤0.10 | ≤0.10 | |
| Irregularities over fiber length and point discontinuity | dB | ≤0.05 | ≤0.10 | ≤0.10 | |
| Difference backscatter coefficient | dB/km | ≤0.03 | ≤0.08 | ≤0.10 | |
| Attenuation uniformity | dB/km | ≤0.01 | ……. | ……. | |
| Core diameter | um | …… | 50±1.0 | 62.5±2.5 | |
| Cladding diameter | um | 125.0±0.1 | 125.0±0.1 | 125.0±0.1 | |
| Cladding non-circularity | % | ≤1.0 | ≤1.0 | ≤1.0 | |
| Coating diameter | um | 242±7 | 242±7 | 242±7 | |
| Coating/chaffinch concentrically error | um | ≤12.0 | ≤12.0 | ≤12.0 | |
| Coating non circularity | % | ≤6.0 | ≤6.0 | ≤6.0 | |
| Core/cladding concentricity error | um | ≤0.6 | ≤1.5 | ≤1.5 | |
| Curl(radius) | um | ≤4 | ….. | ….. | |
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