Description
In OMC’s 12-48F Stranded Loose Tube No-Armored outdoor cable-GYFTZY, A FRP wire, sometimes sheathed with polyethylene (PE) is located in the center of core as a No-metallic strength member. Single-mode/multimode Fiber are positioned in the loose tube, which is made of PBT materials and filled with filling compound. The loose tube is covered with LSZH materials to guarantee the compactness and longitudinal water-blocking performance.
Standard color of fiber and tube
The color code of the individual fibers&Tubes, 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 |
Structure parameter
| Item | Contents | Unit | Value | |
| Fiber count | Number | / | 24 | 48 |
| Fiber type | / | / | SM/OM2/OM3/OM4 | |
| Cable structure | / | / | 1+6 | |
| Fibers per tube | Count | / | 4 | 8 |
| Loose tube | Material | / | PBT | |
| Nominal Diameter | mm | 1.8 | 2.2 | |
| Central strength member | Material | / | FRP &PE cushion layer (when need) | |
| Nominal Diameter | mm | 2.2 | 2.2 | |
| PE cushion layer | mm | – | ||
| Sheath | Material | LSZH | ||
| Color | Black | |||
| Attenuation (after cable) | 850nm | dB/km | £3.5 | |
| 1300nm | dB/km | £1.5 | ||
| Cable diameter | ±5% | mm | 9.4 | 10.1 |
| Cable weight | ±10% | kg/km | 96 | 115 |
Mechanical & Environmental Performance
| Item | Contents | Value |
| Max. tensile load | Short term | 1500 N （Fiber strain≤0.6％） |
| Long term | 600 N | |
| Max. crush resistance | Short term | 1000 N/100mm |
| Long term | 300N | |
| Min. bending radius | Installation | 25 x cable diameter |
| Operation | 12.5 x cable diameter | |
| Temperature range | Operation | -40℃ ~ +70℃ |
| Installation | -20℃ ~ +60℃ | |
| Storage/transportation | -40℃ ~ +70℃ |
Optical fiber technical parameters-SMF
| Item | Unit | Specification | |
| G. 652D | |||
| Mode field diameter | 1310nm | nm | 9.2 ± 0.4 |
| 1550nm | nm | 10.4 ± 0.5 | |
| Cladding diameter | nm | 125.0 ± 0.7 | |
| Cladding non-circularity | % | ≤1.0 | |
| Core concentricity error | nm | ≤0.6 | |
| Coating diameter | nm | 242 ± 7 | |
| Coating/cladding concentricity error | nm | ≤12 | |
| Cable cut-off wavelength λcc | nm | ≤ 1260 | |
| Attenuation | 1310nm | dB/km | ≤0.35 |
| 1550nm | dB/km | ≤0.21 | |
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