To distinguish the quality of ADSS (All-Dielectric Self-Supporting) optical cable, you can consider the following factors:
1. Fiber count: The higher the fiber count, the better the cable's quality. A cable with a high fiber count can support more data transmission and can provide better bandwidth capacity.
2. Strength: The cable's tensile strength is also an important factor in determining its quality. A cable with higher tensile strength can withstand more external pressure and is less likely to break.
3. Jacket material: The quality of the jacket material can also determine the cable's durability and resistance to environmental factors such as UV radiation, temperature changes, and moisture.
4. Optical performance: The cable's optical performance, including its attenuation and dispersion characteristics, is a critical factor in determining the cable's quality. A high-quality cable should have low attenuation and dispersion characteristics.
5. Manufacturer reputation: It is important to purchase cables from reputable manufacturers with a proven track record of producing high-quality ADSS cables.
6. Testing and certification: A high-quality ADSS cable should be tested and certified to ensure that it meets industry standards and specifications.
Overall, it is recommended that you consult with a reputable supplier or manufacturer and carefully evaluate the above factors to determine the quality of an ADSS optical cable.