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| Place of Origin | CHINA |
| Brand Name | DAWNERGY |
| Certification | CE/ VDE/ TELCORDIA |
| Model Number | GYTC8S-24B1.3 |
Application / Construction
| Identification | GYTC8S-24B1.3 | ||
| Application | Aerial Figure-8 outdoor cable | ||
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Cross Section (not to scale) |
24 fibers | ||
| 24 fibers |
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| Configuration |
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| Temperature Range |
Storage and transport -50 to +70°C |
Installation -20 to +60°C |
Operation -40 to +60°C |
| Standards | IEC 60793-1, IEC 60793-2, IEC 60794-3-20 | ||
| Specification No. | GL20200811289 | ||
| Customer Reference | Common standard | ||
Dimensions
| Number of fibers | 24 | |
| Loose tubes x fibers | 4x6 | |
| Loose tubes/Dummies | 4/1 | |
| Loose tube Ø (±0.1) | mm | 1.6 |
| Central strength member | mm | 1.4 |
| Messenger wire(±0.1) | mm | 7*1.0 |
| Outer sheath thickness(±0.2) | mm | 1.5 |
| Outer diameter (W*H) | mm | (8.8±0.5)*(15.6±0.5) |
| Weight | kg | 220±15% |
Note: sheath thickness not consider ripcord portion, sizes and values without tolerances are nominal values
Mechanical Properties
| Max. tensile load | Short term: 3000N;long term:1000N | ||
| Crush resistance / 10 cm | Short term:1000 N;long term:300N | ||
| Bending radius (installation) | 20x cable Ø | ||
| Bending radius (operation) | 10x cable Ø | ||
See Point 6: Test Methods
Marking
| Fiber Colors | 1 | 2 | 3 | 4 | 5 | 6 |
| Blue | Orange | Green | Brown | Gray | White | |
| Tube Colors | 1 | 2 | 3 | 4 | 5 | / |
| Blue | Orange | Green | Brown | Filler | / | |
Outer Sheath: black, ink jet, marking in 1 meter intervals as follows:
| Dawnergy 2020 GYTC8S-24 B1.3 <batch ID> <meter marking > |
Optical Fiber
| Standard | ZTT-ALF® ITU-T G.652D | ||||
| Optical |
Fibre attenuation .. cabled |
@ 1310 nm ≤0.36 dB/km |
@ 1550 nm ≤0.22 dB/km |
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| Mode field diameter (MFD) | 9.2 ± 0.4 µm@1310nm | ||||
| Chromatic dispersion |
≤3.5 ps/nm ∙km 1310nm |
≤18 ps/nm ∙km 1550nm |
≤22 ps/nm ∙km 1625nm |
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| Zero dispersion wavelength | 1300~1324 nm | ||||
| Zero dispersion slope | ≤0.092 ps/nm² ∙km | ||||
| Cable Cut-off wavelength | ≤1260 nm | ||||
| Geometric | Outer diameter | 245 ± 10 µm | |||
| Cladding diameter | 125 ± 1.0 µm | ||||
| Core/clad concentricity error | ≤0.5 µm | ||||
| Cladding non-circularity | ≤0.8 % | ||||
| Mechanical | Proof stress | ≥0.69 Gpa | |||
Test Methods
| Test | Conditions | Acceptance criteria |
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Tensile strength IEC 60794-1-21 E1 |
Tensile strength: see Point 3 Sample length: ≥ 50 m, Duration: 1 min |
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Crush resistance IEC 60794-1-21 E3 |
Crush: see Point 3 Test duration: 1 min, number of test: 3 |
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Impact IEC 60794-1-21 E4 |
Impact energy: 4.5 J R = 300 mm,Impact points: 5, Impact frequency 3/point |
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Repeated bending IEC 60794-1-21 E6 |
Bending diameter: 20x cable Ø Load:15kg; 30 times |
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Torsion IEC 60794-1-21 E7 |
Sample length: 1 m ± 180°, 10 cycles,load 25kg |
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Bend IEC 60794-1-21 E11A |
Bending radius: 12x cable Ø 4 bends, 3 cycles |
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Temperature cycling IEC 60794-1-22 F1 |
-40℃→ +70℃ 24 hours at each step, 2 cycles |
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Water penetration IEC 60794-1-22 F5 |
Sample length: 3 m Water column height: 1 m Test duration: 24 h |
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Drop test IEC 60794-1-22 E14 |
Test length:30cm Temperature range: 70±2℃ Duration: 24hours |
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All optical measurements at 1550 nm
Logistics
| Cable type |
Length Tolerance |
4km -5% / +5% |
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| GYTC8S-24 B1.3 |
Drum Type Dimensions Weight |
Wood 125*50*75 962kg |
Dimensions including protection. Indicative values, actually delivered drum sizes and weights may deviate. Cable ends sealed with caps
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