- Model: Double Sheath FTTH Drop Cable
- Name: Double Sheath FTTH Drop Cable
- Strength Member: Aramid Yarn
- Outer Jacket: LSZH
- Cladding diameter: 125.0±0.5 um
- Jacket Material: LSZH
- Operating Temperature: -20～+70
- Storage Temperature: -20～+70
Double Sheath FTTH Drop Cable Description
4.5mm Double Sheath FTTH Drop Cable:
Cable Structure:
Specification:
| Items | Description | |
| Number of fiber | 1F | |
| Fiber type | G657A2 | |
| Loose Buffer | Material | PVC |
| Diameter | 0.9±0.05mm | |
| Strength member | Material | Kevlar yarn and E-glass yarn |
| Inner sheath | Material | LSZH |
| Color | White | |
| Diameter | 1.8-2.0mm | |
| Outer sheath | Material | LSZH |
| Color | Black | |
| Diameter | 4.5±0.2mm | |
| Cable weight | 24.5kg/km | |
| Installation Temperature range（℃） | -10+60 | |
| Operation and transport temperature （℃） | -20+70 | |
| Min Bending Radius(mm) | Long term | 10D |
| Min Bending Radius(mm) | Short term | 20D |
| Min allowable Tensile Strength(N) | Long term | 10D |
| Min allowable Tensile Strength(N) | Short term | 350 |
| Crush Load (N/100mm) | Long term | 100 |
| Crush Load (N/100mm) | Short term | 500 |
Fiber characteristic:
| Characteristics | Conditions | Specified Values | Unit |
| attenuation | 1310nm | ≤0.4 | dB/KM |
| 1550nm | ≤0.3 | ||
| attenuation vs.Wavelength Max. αdifference | 1285-1330nm | ≤0.03 | dB/KM |
| 1525-1575nm | ≤0.02 | ||
| Zero dispersion wavelength | 1300-1324 | nm | |
| Zero dispersion slope | ≤0.092 | ps/nm².km | |
| PMD Maximum Individual Fiber Link Design Value (M=20,Q=0.01%) Typical value | – | ||
| ≤0.2 | |||
| ≤0.1 | |||
| ≤0.04 | |||
| Cable cutoff wavelength λ | ≤1260 | nm | |
| Mode field diameter (MFD) | 1310nm | 8.8±0.4 | nm |
| 1550nm | 9.8±0.5 | nm | |
| Effective group index of refraction | 1310nm | 1.466 | – |
| 1550nm | 1.467 | – | |
| Effective group index of refraction | 1310nm | ≤0.05 | dB |
| 1550nm | |||
| Geometrical Characteristics | |||
| Cladding diameter | 124.8±0.7 | um | |
| Cladding non-circularity | ≤0.7 | % | |
| Coating diameter | 245±5 | um | |
| Coating-cladding concentricity error | ≤12.0 | um | |
| Coating non-circularity | ≤6.0 | % | |
| Core-cladding concentricity error | ≤0.5 | um | |
| Curl (radius) | ≥4 | m | |
1F 5.0mm Double Sheath FTTH Drop Cable:
Cable Structure:
Cable structure and parameter:
| Items | Contents | Unit | Value |
| Optical Fiber | model number | / | G657B3 |
| number | / | 1 | |
| color | / | nature | |
| Tight buffer | color | / | white |
| material | / | LSZH | |
| diameter | nm | 0.9±0.05 | |
| Sub-cable | Strength member | / | aramid fiber |
| Jacket color | / | white | |
| Jacket material | / | LSZH | |
| Diameter | mm | 2.0±0.1 | |
| Outer jacket | Diameter | mm | 5.0±0.3 |
| Strength member | / | aramid fiber | |
| Material | / | LSZH | |
| Color | / | Black | |
| Tensile performance | Short term | N | 400(fiber strain≤0.6%) |
| Long term | N | 200 | |
| Crush | Short term | N/100mm | 500 |
| Long term | N/100mm | 100 | |
| Cable attenuation | dB/km | ≦ 0.4 at 1310nm, ≦ 0.3 at 1550nm | |
| Cable weight (Approx.) | kg/km | 27.7 | |
Characteristics of Optical Cable:
Min. bending radius:
Static: 15 x cable diameter
Dynamic: 30 x cable diameter
Application temperature range:
Operation: – 20℃ ~ +70℃
Installation: -20℃ ~ +60℃
Storage/transportation: – 20℃ ~ +70℃
2F 5.0mm Double Sheath FTTH Drop Cable:
Cable Structure:
Optical Characteristics:
The optical, geometrical, mechanical, and environmental performance of the optical fiber shall be in accordance with Table 1 below.
Table 1. Performance of The Single Mode Fiber (ITU-T G. 657 A2)
| Parameter | Specification |
| Attenuation coefficient @ 1310 nm @ 1550 nm @ 1625 nm | ≤0.36 dB/km ≤0.25dB/km ≤0.28dB/km |
| Attenuation vs. Wavelength Max. α difference | ≤0.03dB/km at 1285 ~ 1330 nm ≤0.02dB/km at 1525 ~ 1575 nm |
| Zero-dispersion wavelength | 1300 ~ 1324 nm |
| Zero-dispersion slope | ≤0.092 ps/(nm^2.km) |
| PMD Maximum Individual Fiber | ≤0.1 ps/km1/2 |
| Cable cut-off wavelength | ≤1260 nm |
| Mode field diameter @ 1310 nm | 8.8±0.4 um |
| Geometrical Characteristics | |
| Cladding diameter | 125.0±0.5 um |
| Cladding non-circularity | ≤0.5 % |
| Coating diameter | 245±10 um |
| Coating-Cladding concentricity error | ≤12.0 um |
| Coating Non-circularity error | ≤6.0 % |
| Core-Clad concentricity error | ≤0.5 um |
| Curl (Radius) | ≥4 m |
| Mechanical Specification | |
| Proof test level | ≥100 kpsi |
| Micro-bend induced attenuation 10 turns around a mandrel of 30mm diameter 10 turns around a mandrel of 30mm diameter | ≤0.03 dB at 1550 nm ≤0.1 dB at 1625 nm |
| 1 turn around a mandrel of 20mm diameter 1 turn around a mandrel of 20mm diameter 1 turn around a mandrel of 15mm diameter 1 turn around a mandrel of 15mm diameter | ≤0.1 dB at 1550 nm ≤0.2 dB at 1625 nm ≤0.2 dB at 1550 nm ≤0.5 dB at 1625 nm |
| Coating strip force Average force | 1.7 N |
CABLE CONSTRUCTION:
The construction of the cable shall be in accordance with Table 2.
Table 2. Construction of The Cable
| ITEMS | DESCRIPTION |
| Number of Fiber | 2F |
| Tight Buffer Coating | Outer diameter: 900±50㎛ |
| Strength Member | Aramid Yarn (1000D x 8) |
| Inner Jacket | LSZH (Low Smoke Zero Halogen) |
| Inner diameter | 3.6±0.1mm |
| Strength Member | Aramid Yarn (1000D x 6) |
| Outer Jacket | LSZH (Low Smoke Zero Halogen) |
| Outer diameter | 4.8.0±0.2mm |
