| ·产品描述 Description |
| FTTH室內光纜是將光通信單元處于中心，兩側放置兩根平行非金屬加強元件（FRP），最後，擠制黑色或彩色低煙無鹵護套成纜。 The optical fiber unit is positioned in the centre. Two parallel Fiber Reinforced Plastics (FRP) are placed at the two sides. Then the cable is completed with a black or color LSZH sheath. |
| ·产品特点 Characteristics |
| · 特種耐彎光纖，提供更大的帶寬，增強網絡傳輸特性； · Special low-bend-sensitivity fiber provides high bandwidth and excellent communication transmission property; · 兩根平行FRP使光纜具有良好的抗壓性能，保護光纖； · Two parallel FRP strength members ensure good performance of crush resistance to protect the fiber; · 光纜結構簡單，重量輕，實用性強； · Simple structure, light weight and high practicability; · 獨特的凹槽設計，易剝離，方便接續，簡化安裝和維護； · Novel flute design, easily strip and splice, simplify the installation and maintenance; · 低煙無鹵阻燃護套，環保。 · Low smoke, zero halogen and flame retardant sheath. |
| ·光學特性 Optical Characteristics |
| G.652 | G.655 | 50/125μm | 62.5/125μm | | 衰减Attenuation (+20℃) | @850nm | | | ≤3.5 dB/km | ≤3.5 dB/km | | @1300nm | | | ≤1.5 dB/km | ≤1.5 dB/km | | @1310nm | ≤0.45 dB/km | ≤0.50 dB/km | | | | @1550nm | ≤0.30 dB/km | ≤0.50dB/km | | | | 带宽(A级) Bandwidth (Class A) | @850nm | | | ≥500 MHz·km | ≥200 MHz·km | | @1300nm | | | ≥1000 MHz·km | ≥600 MHz·km | | 数值孔径Numerical Aperture | | | 0.200±0.015NA | 0.275±0.015NA | | 光缆截止波长Cable Cut-off Wavelength λcc | ≤1260nm | ≤1480nm | | | ·结构参数 Technical Parameters | 芯數 Fiber Count | 光缆直径 Cable Diameter mm | 光缆重量 Cable Weight kg/km | 允许拉伸力 Tensile Strength 长期/短期 Long/Short Term N | 允许压扁力Crush Resistance 长期/短期 Long/Short Term N/100mm | 弯曲半径 Bending Radius 静态/动态 Static /Dynamic mm | | 1 | (2.0±0.2)×(3.0±0.2) | 8 | 30/60 | 300/1000 | 15/30 | | 2 | (2.0±0.2)×(3.4±0.2) | 8.5 | 30/60 | 300/1000 | 15/30 | | 1 | (2.0±0.2)×(3.8±0.2) | 9 | 30/60 | 300/1000 | 15/30 | | 4 | (2.0±0.2)×(4.0±0.2) | 10 | 30/60 | 300/1000 | 15/30 |
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