Description
In OMC’s 2-24F Double Sheath Unitube Armored Cable (GYXTW53) Glass Yarn PE cable, 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 . Steel armored tape and Double sheath PE materials jacket to guarantee the compactness and longitudinal water-blocking performance. At the same time. Two parallel steel wires are embedded in inner sheath to offer high tensile.
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
| Item | Contents | Unit | Value | |||
| Fiber count | Number | / | 4 | 6 | 8 | 12 |
| Fiber type | / | / | OS1, OS2,OM1,OM2, OM3,OM4 | |||
| Fibers per tube | Count | / | 4 | 6 | 8 | 12 |
| Moisture Barrier | / | / | Water blocking system | |||
| Loose tube | Material | / | PBT | |||
| Diameter | mm | 2.0±0.1 | 2.2±0.1 | |||
| Color | / | Nature | ||||
| Strength member 1 | Material | / | Steel wire | |||
| Diameter | / | 0.8mm | ||||
| Inner armored | Material | / | Corrugated steel tape | |||
| Outer armored | Material | / | Corrugated steel tape | |||
| Inner sheath | material | / | PE | |||
| Diameter | mm | 7.8±0.2mm | ||||
| Color | / | Black | ||||
| Outer sheath | material | / | PE | |||
| Thickness | mm | 1.60±0.2mm | ||||
| Color | / | Black | ||||
| Attenuation (After cable) | 1310nm | dB/km | £0.36 | |||
| 1550nm | dB/km | £0.22 | ||||
| Cable diameter | ±0.3 | mm | 12.5 | |||
| Cable weight | ±5% | kg/km | 145 | |||
Mechanical & Environmental Performance
| Item | Contents | Value |
| Max. tensile load | Short term | 3000N fiber strain≤0.6% |
| Long term | 1500N | |
| Max. crush resistance | Short term | 3000N/100mm |
| Long term | 1000N/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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