Description
In OMC’s 1F 5.0mm Central Loose Tube cable with Jelly, single-mode/multimode fibers are positioned in the loose tube, which is made of PBT materials and filled with filling compound. The loose tube is covered with Water-blocking glass yarn and aramid yarn materials to guarantee the compactness and longitudinal water-blocking performance. Two parallel FRP wires are placed at both sides of the cable core while a PE sheath is extruded over it.
Standard color of fiber and tube
The color code of the individual fibers, shall be in accordance with the table as below:
| No. | 1 |
| Color | Green |
Cable Structure parameter
| Fiber Count | 1 | |
| Fiber Category | Single-mode G657A2 | |
| Cable | Material | PE |
| Color | Black | |
| Diameter (mm) | 5.0±0.2 | |
| PBT Loose tube | Material | PBT |
| Color | WHITE | |
| Diameter (mm) | 1.2±0.1 | |
| Strength member | Material 1 | Water-blocking glass yarn |
| Material 2 | Aramid yarn | |
| Material 3 | PBT | |
| Nominal weight(kg/km) | 23.9 | |
Mechanical & Environmental Performance
| Item | Contents | Value |
| Max. tensile load | Short term | 1350N fiber strain≤0.6% |
| Long term | 600N | |
| Max. crush resistance | Short term | 2200N/100mm |
| Long term | 1100N/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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