Both GYTS and GYTA are stranded optical cables. GYXTW is a central tube optical cable. There are clear structural differences between stranded optical cables and GYXTW central tube optical fiber cables.

1. Structurally, the excess fiber length in stranded optical cables is easier to control compared to central tube optical cables. (Product recommendation: Central Tube Non-Armored Optical Cable - GYTS).

2. In terms of waterproof performance, stranded optical cables are superior to central tube optical cables. This is because the loose tube diameter in central tube optical cables is thicker than that in stranded optical cables. In central tube optical cables, all fiber cores are encapsulated in a single loose tube, whereas stranded optical cables consist of multiple different loose tubes with relatively smaller diameters. Therefore, the waterproof performance of stranded optical cables is better than that of central tube optical cables.

3. In terms of mechanical properties, the tensile strength of stranded optical cables is superior to that of central tube optical cables.

4. Regarding fiber count, stranded optical cables outperform central tube optical cables. Stranded optical cables can accommodate dozens to hundreds of fibers, while central tube optical cables can only handle up to a few dozen fibers at most. In summary, central tube optical cables are not suitable for high fiber counts. It is generally recommended to use stranded optical cables when the fiber count exceeds 24 cores. (Product recommendation: Loose Tube Stranded Reinforced Armored Optical Cable - GYTA)