Sichuan Huiyuan Optical Communications Co., Ltd,
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Air Blown Fibre Bundle 4 Core EPFU Fiber Singlemode G652D Optical Cable
Description
Air Blown Fiber Unit (EPFU) with 2 to 24 fibers in a soft acrylate layer providing excellent dimensional and thermal stability. An outer HDPE sheath provides a high level of protection and excellent blowing performance. The Fiber Unit is designed to blow into microducts and tube bundles.
Technical specification:
| Items | Value | |
| Fiber count4 | 4 Fibre | |
| Optical fiber | G652D fiber | |
| Sheath material | HDPE | |
| Cable diameter(±0.05mm) | 1.18mm±0.03mm | |
| Cable weight (kg/km) | 1 | |
| Attenuation | 0.40dB/km max @1310nm, 0.30dB/km max @1550nm | |
| Max. tensile strength | Short time | 9.8N |
| Max. crush resistance | Short time | 100N/100mm |
| Min. Bending radius | Dynamic | 20 x cable diameter |
| Static | 10 x cable diameter | |
| Air Blowing | Equipment: PR140, Duct: 5/3.5mm, Blowing pressure: ≤10bar, Typical blowing length: 1000m | |
Cable test
| Item | Details | ||
| Cable bending test | Test Method: Accordance with IEC 60794-1-21-E11B Mandrel Diameter: 65mm Number of Cycle: 3 cycles Test result: Additional attenuation ≤0.1dB at 1550nm. After test no sheath cracking and no fiber breakage. | ||
| Flexing / Repeated Bending test | Test Method: Accordance with IEC 60794-1-21- E8/E6 Mass of the weight : 500g Bending diameter : 20 x diameter of cable Impact rate : ≤ 2 sec / cycle Number of cycles : 20 Test result: Additional attenuation ≤0.1dB at 1550nm. After test no sheath cracking and no fiber breakage. | ||
| Temperature cycling test | Test Method: Accordance with IEC 60794-1-22-F1 Variation of temperature : -20℃ to + 60℃ Number of cycles : 2 Holding time per each step : 12 hours Test result: Additional attenuation ≤0.1dB/km at 1550nm. | ||
Fiber specification:
| Characteristics | Specified Values | Units | |
| Mode field diameter | at 1310nm | 9.2±0.4 | µm |
| at 1550nm | 10.4 ± 0.6 | mm | |
| Attenuation coefficient | at 1310nm | ≤0.40 | dB/km |
| at 1550nm | ≤0.30 | dB/km | |
| Zero dispersion wavelength ( λ0) | 1300 ～1324 | nm | |
| Max zero dispersion slope (S0max) | ≤0.092 | ps/(nm2·km) | |
| Cut-off wavelength (λcc) | ≤1260 | nm | |
| Dispersion coefficient | 1285～1330nm | ≤3.5 | ps/(nm·km) |
| 1550nm | ≤18 | ps/(nm·km) | |
| Effective group index of refraction (Neff) | at 1310nm | 1.466 | － |
| at 1550nm | 1.467 | － | |
Cable structure:
1. Fiber 2. Resin 3. Fillers 4. Groove 5. HDPE sheath
Standards:
The optical fiber cable shall comply with the requirements of this specification and generally meet or better latest standards:
ITU-T G.652.D: Characteristics of a single-mode optical fiber and cable
IEC 60793-2-50 B1.3: Sectional specification for class B single mode fibers
IEC 60794-1-21: Optical fiber cables, Part 1-21, Generic specification - Basic optical cable test procedures - Mechanical tests methods
IEC 60794-1-22: Optical fiber cables, Part 1-22, Generic specification - Basic optical cable test procedures - Environmental test methods
Standard drum length
2000m/drum, 4000m/drum & 6000m/drum
Fiber color: (Support customized color)
| No. | 1 | 2 | 3 | 4 |
| Color | Blue | Orange | Green | Brown |
Cable text print: (Support customized text)
HYOC EPFU 4 G652D [Drum No.] [Month-Year] [Meter marking]
Order information:
| Number of fibres | Fibre class | Part name |
| 2 | G657A1 (E9/125) | EPFU 1X2 G657A1 1.15MM |
| 4 | G657A1 (E9/125) | EPFU 1X4 G657A1 1.15MM |
| 6 | G657A1 (E9/125) | EPFU 1X6 G657A1 1.35MM |
| 8 | G657A1 (E9/125) | EPFU 1X8 G657A1 1.55MM |
| 12 | G657A1 (E9/125) | EPFU 1X12 G657A1 1.65MM |
| 24 | G657A1 (E9/125) | EPFU 1X24 G657A1 2.1MM |
Factory & production line