According to the number of fibers in the cable, fiber units or loose tubes (stranded or central) cables are mostly used. A combination of these two techniques is also reported.

按照光纤的芯数，分别采用光纤单元或者松管结构(层绞松管或中心松管)，也可以将这两者结合起来。

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Fiber optic cables include central tube type FOC, tube-stranded type FOC, fiber optic ribbon cable, ADSS and series product for distribution.

通信光缆包括中心束管光缆、层绞式光缆、带状光缆、ADSS光缆及其配线系列产品；

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