Product application：
The butterfly optical cable is the novel user access optical cable which combines the characteristics of the indoor soft optical cable and the self-supporting optical cable together, it is the best alternative choice for solving the problems of FTTX network and plays the unique role in building networks, such as the intelligent building, the digital district, the campus network and the local area network.
Application standard：
YD/T1997.1-2014
Product Features：
1.Poor rigidity, but excellent flexibility.
2. It can be laid with the weak current pipe in the same trench without introduction of the sensing current.
3. The reinforcing member can be non-metal FRP and KFRP (optional).
4. The outer sheaths prepared from low-smoke halogen-free material and the flame-retardant polyvinyl chloride are available.
5. Operation temperature: -20℃ ~ +60℃
Optical Properties
| Attenuation（dB/km） | 1310≤0.4 、1550≤0.3 |
|---|---|
| Fiber Type | B6.a1、 B6.a2 |
Physical Properties
| Cores type | External diameter of optical cable(mm) | Weight of optical cable（kg/km） | Minimum bending radius（mm） | Allowable minimum crush resistance(N/100mm) | Allowable minimum drawing force of optical cable（N） | |||
|---|---|---|---|---|---|---|---|---|
| Static | Dynamic | Short term | Long term | Short term | Long term | |||
| 1 | （2.0±0.1）×（3.0±0.1） | 7.5 | 20 | 40 | 1000 | 500 | 80 | 40 |
| 2 | （2.0±0.1）×（3.0±0.1） | 7.5 | 20 | 40 | 1000 | 500 | 80 | 40 |
| 4 | （2.0±0.1）×（4.0±0.1） | 8.0 | 20 | 40 | 1000 | 500 | 80 | 40 |
 |
