Description
In OMC’s 2-144F Stranded Loose Tube Double Armored&Sheath (GYTA53) PE Cable, A Steel Wire (sometimes sheathed with polyethylene (PE)) locates in the center of core as a 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 tubes (and fillers) are stranded around the strength member into a compact and circular core. A Water blocking tape and an aluminum Polyethylene Laminate (APL) is applied around the cable core. Then covered with a thin polyethylene (PE) inner sheath, Then a corrugated steel tape armor is applied, the cable is completed with a PE outer sheath.
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 | Gray | White |
| No. | 7 | 8 | 9 | 10 | 11 | 12 |
| Color | Red | Black | Yellow | Violet | Pink | Aqua |
Tube color code for 12~144 fibers:
| No. | 1 | 2 | 3 | 4 | 5 | 6 |
| Color | Blue | Orange | Green | Brown | Gray | White |
| No. | 7 | 8 | 9 | 10 | 11 | 12 |
| Color | Red | Black | Yellow | Violet | Pink | Aqua |
Note: # means single black stripe; * means single white stripe.
Cable Structure parameter
| Part No. | Fibers | Tubes | Cable OD(mm) | Weight Kg/km |
Tensile strength Long term/short term |
Crush resistance Long term/short term((N/1m)) |
| GYTA53-2~6X | 2~6 | 1 | 12.2 | 150 | 1000/3000 | 1000/3000 |
| GYTA53-8~12X | 8~12 | 2 | 12.2 | 150 | 1000/3000 | 1000/3000 |
| GYTA53-14~18X | 14~18 | 3 | 12.2 | 150 | 1000/3000 | 1000/3000 |
| GYTA53-20~24X | 20~24 | 4 | 12.2 | 150 | 1000/3000 | 1000/3000 |
| GYTA53-26~30X | 26~30 | 5 | 12.2 | 150 | 1000/3000 | 1000/3000 |
| GYTA53-32~36X | 32~36 | 6 | 14.0 | 200 | 1000/3000 | 1000/3000 |
| GYTA53-38~42X | 38~42 | 7 | 14.0 | 200 | 1000/3000 | 1000/3000 |
| GYTA53-44~48X | 44~48 | 8 | 14.0 | 200 | 1000/3000 | 1000/3000 |
| GYTA53-50~60X | 50~60 | 5 | 14.0 | 205 | 1000/3000 | 1000/3000 |
| GYTA53-62~72X | 62~72 | 6 | 15.5 | 210 | 1000/3000 | 1000/3000 |
| GYTA53-74~84X | 74~84 | 7 | 14.0 | 215 | 1000/3000 | 1000/3000 |
| GYTA53-86~96X | 86~96 | 8 | 17.1 | 270 | 1000/3000 | 1000/3000 |
| GYTA53-98~108X | 98~108 | 9 | 17.1 | 270 | 1000/3000 | 1000/3000 |
| GYTA53-110~120X | 110~120 | 10 | 17.1 | 270 | 1000/3000 | 1000/3000 |
| GYTA53-122~132X | 122~132 | 11 | 17.1 | 270 | 1000/3000 | 1000/3000 |
| GYTA53-134~144X | 134~144 | 12 | 20.3 | 310 | 1000/3000 | 1000/3000 |
Note:
Suffix X denotes fiber type.
The nominal value of the PE outer sheath thickness is 1.8mm. The nominal value of the PE inner sheath thickness is 0.8mm.
Cable Material parameter
| Item | Parameters | |
| Loose tube | Material | PBT |
| Color | Full color spectrum | |
| Filler | Material | PE |
| Color | Black | |
| CSM | Material | Steel wire |
| Armoured | Material 1 | Aluminum Polyethylene Laminate (APL) |
| Material 2 | corrugated steel tape | |
| Outer sheath
&Inner sheath |
Material | PE |
| Color | Black | |
Mechanical & Environmental Performance
| Item | Contents | Value |
| Max. tensile load | Short term | 3000N fiber strain≤0.6% |
| Long term | 1000N | |
| 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℃ |
Standards： IEC 60794-1
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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