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FTTH微管
FTTH是指將光網絡單元(ONU)安裝在住家用戶或企業用戶處，是光接入系列中除FTTD(光纖到桌面)外最靠近用戶的光接入網應用類型。FTTH光纜直接光纖到戶，他們的帶寬，波長和傳輸技術類型不受限制。光纖單元位于中心。兩個平行的強度構件被放置在兩端，然后光纜用黑色的LSZH護套完成。
·適用于室外平面及垂直分布。
·適合與通訊設備連接。
·長途和局域網通信。
·適合與通訊設備連接。
·長途和局域網通信。
·良好的機械和環境特性。
·抗紫外線特性符合相關標準要求。
·機械特性符合相關標準要求。
·柔軟、靈活、易于鋪設和拼接，數據傳輸容量大。
·滿足市場和客戶的各種需求。
·抗紫外線特性符合相關標準要求。
·機械特性符合相關標準要求。
·柔軟、靈活、易于鋪設和拼接，數據傳輸容量大。
·滿足市場和客戶的各種需求。
Cable construction details :
| Items | Description | ||||||
| Number of fiber | 2cores | ||||||
| Fiber | type | G657A tight buffer | |||||
| diameter | 250µm | ||||||
| Strength member | materia | Kevlar yarn | |||||
| Self support Messenger wire |
material | Steel wire | |||||
| diameter | 1.2mm Steel wire | ||||||
| Outer sheath | material | LSZH | |||||
| diameter | 1.8±0.2mm | ||||||
| Cable size (Height * width) | 3.5 mm × 6.5mm | ||||||
| Cable weight | 26KG±1KG | ||||||
| Installation Temperature range（℃） | -20+60 | ||||||
| Operation and transport temperature（℃） | -40+70 | ||||||
| Min Bending Radius(mm) | Long term | 15D | |||||
| Min Bending Radius(mm) |
Short term | 30D | |||||
| Min allowable Tensile Strength(N) |
Long term | 500 | |||||
| Min allowable Tensile Strength(N) |
Short term | 700 | |||||
| Crush Load (N/100mm) | Long term | 500 | |||||
| Crush Load (N/100mm) | short term | 1000 | |||||
Standard color of fiber and tube
| Standard Colour Identification | ||||||||
| No. | 1 | 2 | ||||||
| Color | Blue | Orange | ||||||
Fiber characteristic
| Fiber style | Unit | SM G652 |
SM G652D |
MM 50/125 |
MM 62.5/125 |
MM OM3-300 |
|
| condition | nm | 1310/1550 | 1310/1550 | 850/1300 | 850/1300 | 850/1300 | |
| attenuation | dB/km | ≤ | ≤ | ≤ | ≤3.0/1.0 | ≤3.0/1.0 | |
| 0.36/0.23 | 0.34/0.22 | 3.0/1.0 | ---- | ---- | |||
| Dispresion | 1550nm | Ps/(nm*km) | ---- | ≤18 | ---- | ---- | Dispresion |
| 1625nm | Ps/(nm*km) | ---- | ≤22 | ---- | ---- | ||
| Bandwith | 850nm | MHZ.KM | ---- | ---- | ≧400 | ≧160 | Bandwith |
| 1300nm | MHZ.KM | ---- | ---- | ≧800 | ≧500 | ||
| Zero dispersion wavelength | nm | 1300-1324 | ≧1302, ≤1322 |
---- | ---- | ≧ 1295, ≤1320 |
|
| Zero dispresion slope | nm | ≤0.092 | ≤0.091 | ---- | ---- | ---- | |
| PMD Maximum Individual Fibr | ≤0.2 | ≤0.2 | ---- | ---- | ≤0.11 | ||
| PMD Design Link Value | Ps(nm2*k m) |
≤0.12 | ≤0.08 | ---- | ---- | ---- | |
| Fibre cutoff wavelength λc | nm | ≧ 1180, ≤1330 |
≧1180, ≤1330 |
---- | ---- | ---- | |
| Cable sutoff wavelength λcc |
nm | ≤1260 | ≤1260 | ---- | ---- | ---- | |
| MFD | 1310nm | um | 9.2+/-0.4 | 9.2+/-0.4 | ---- | ---- | ---- |
| 1550nm | um | 10.4+/-0.8 | 10.4+/-0.8 | ---- | ---- | ---- | |
| Numerical Aperture(NA) |
---- | ---- | 0.200+/ -0.015 |
0.275+/-0. 015 |
0.200+/-0 .015 |
||
| Step(mean of bidirectional measurement) |
dB | ≤0.05 | ≤0.05 | ≤0.10 | ≤0.10 | ≤0.10 | |
| Irregularities over fiber length and point |
dB | ≤0.05 | ≤0.05 | ≤0.10 | ≤0.10 | ≤0.10 | |
| Dicontinuity | |||||||
| Difference backscatter coefficient |
dB/km | ≤0.05 | ≤0.03 | ≤0.08 | ≤0.10 | ≤0.08 | |
| Attenuation uniformity | dB/km | ≤0.01 | ≤0.01 | ||||
| Core dimater | um | 50+/-1.0 | 62.5+/-2.5 | 50+/-1.0 | |||
| Cladding diameter | um | 125.0+/-0.1 | 125.0+/-0.1 | 125.0+/-0.1 | 125.0+/-0.1 | 125.0+/-0.1 | |
| Cladding non-circularity | % | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 | ≤1.0 | |
| Coating diameter | um | 242+/-7 | 242+/-7 | 242+/-7 | 242+/-7 | 242+/-7 | |
| Coating/chaffinch concentrically error |
um | ≤12.0 | ≤12.0 | ≤12.0 | ≤12.0 | ≤12.0 | |
| Coating non circularity | % | ≤6.0 | ≤6.0 | ≤6.0 | ≤6.0 | ≤6.0 | |
| Core/cladding conentricity error | um | ≤0.6 | ≤0.6 | ≤1.5 | ≤1.5 | ≤1.5 | |
| Curl(radius) | um | ≤4 | ≤4 | ---- | ---- | ---- | |
Package
| 1.Packing material: Wooden drum | |||||||
| 2.Packing length: standard length of cable shall be 2 km. Other cable length is also availabler | |||||||
| if required by custome |
Cable marking and cable reel marking
The cable sheath shall be marked with white characters according to customer's requirement.
