Product application:Â
    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 ,the butterfly optical cable 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.
Product Features :
1. The optical cable has strong rigidity, but poor flexibility.
2. The optical cable has strong tensile strength, which is useful for tractive laying of the vertical pipe. Â
3. The outer sheaths prepared from low-smoke halogen-free material and the flame-retardant polyvinyl chloride are available.
4. Applicable temperature: -20ºC ~ +60ºC
Application standard:
YD/T1997.1-2014
Optical Properties:
| Attenuation(dB/km) | 1310≤0.4, 1550≤0.3 |
| Fiber Type | B6.a1,B6.a2 |
Physical Properties:
| The number of core | 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) Â | |||
| (kg/km) | Static | Dynamic | Short term | Long term | Short term | Long term | ||
| 1 | (2.0±0.1)x(3.0±0.1) | 10.5 | 20 | 40 | 2200 | 1000 | 120 | 60 |
| 2 | (2.0±0.1)X(3.0±0.1) | 10.5 | 20 | 40 | 2200 | 1000 | 120 | 60 |
| 4 | (2.0±0.1)X(4.0±0.1) | 11.0 | 20 | 40 | 2200 | 1000 | 120 | 60 |
Certificate:
Package:
 Product Description:
Product application:Â
    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 ,the butterfly optical cable 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.
Product Features :
1. The optical cable has strong rigidity, but poor flexibility.
2. The optical cable has strong tensile strength, which is useful for tractive laying of the vertical pipe. Â
3. The outer sheaths prepared from low-smoke halogen-free material and the flame-retardant polyvinyl chloride are available.
4. Applicable temperature: -20ºC ~ +60ºC
Application standard:
YD/T1997.1-2014
Optical Properties:
| Attenuation(dB/km) | 1310≤0.4, 1550≤0.3 |
| Fiber Type | B6.a1,B6.a2 |
Physical Properties:
| The number of core | 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) Â | |||
| (kg/km) | Static | Dynamic | Short term | Long term | Short term | Long term | ||
| 1 | (2.0±0.1)x(3.0±0.1) | 10.5 | 20 | 40 | 2200 | 1000 | 120 | 60 |
| 2 | (2.0±0.1)X(3.0±0.1) | 10.5 | 20 | 40 | 2200 | 1000 | 120 | 60 |
| 4 | (2.0±0.1)X(4.0±0.1) | 11.0 | 20 | 40 | 2200 | 1000 | 120 | 60 |
Certificate:
Package:
Â
Speakers are one of the most common output devices used with computer systems. Some speakers are designed to work specifically with computers, while others can be hooked up to any type of sound system. Regardless of their design, the purpose of speakers is to produce audio output that can be heard by the listener.
Speakers are transducers that convert electromagnetic waves into sound waves. The speakers receive audio input from a device such as a computer or an audio receiver. This input may be either in analog or digital form. Analog speakers simply amplify the analog electromagnetic waves into sound waves. Since sound waves are produced in analog form, digital speakers must first convert the digital input to an analog signal, then generate the sound waves.
The sound produced by speakers is defined by frequency and amplitude. The frequency determines how high or low the pitch of the sound is. For example, a soprano singer's voice produces high frequency sound waves, while a bass guitar or kick drum generates sounds in the low frequency range. A speaker system's ability to accurately reproduce sound frequencies is a good indicator of how clear the audio will be. Many speakers include multiple speaker cones for different frequency ranges, which helps produce more accurate sounds for each range. Two-way speakers typically have a tweeter and a mid-range speaker, while three-way speakers have a tweeter, mid-range speaker, and subwoofer.
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