What types of cable are commonly used?

Just like snowflakes, although the basic shape is similar, there are no two snowflakes in the world the same shape, scientists have found tens of thousands of shapes of snowflakes, and different structure of the cable, from the section, is also beautiful snowflakes, each snowflake (section) has a unique aesthetic feeling. According to the different structure shape classifications, the cable can be divided into lamination, skeleton, beam tube, and ribbon.

Lamination: A fiber optic cable made up of loose or tight fibers wrapped around a central reinforcing member. Tight-set or loose-set optical fiber refers to the optical fiber with a protective coat. The protective coat materials mainly include polypropylene, Nylon-12, polyester elastomer, fluoro-46, fiber-reinforced plastic, directional tensile polymer, etc. The layered cable structure is similar to the traditional cable structure, so it is also called the classical cable. This kind of cable can hold several optical fibers generally 6 to 12 core, but also 24 core. With the increase of the number of optical fibers, the emergence of the unit stranded, that is, the fiber inside the tube is not only one fiber core, but multiple fiber cores, and also expands the number of optical fibers that can be accommodated by the lamination cable.

Skeleton: Since it is called a skeleton, there is no doubt that there must be a part of the cable called a skeleton. The cable is a plastic-framed slot to hold the fiber. The cross-section of the skeleton slot may be shaped like V or U, and the longitudinal section is spiral or sinusoidal. 5~10 coated optical fibers can be placed in one skeleton slot.

Beam type: Similar to skeleton-type cable, there is a large tube in the center of the beam-type cable for holding the fiber. This pipe is called a bushing. The coated optical fibers are loaded into the large casing, and the optical fibers are placed in the large casing without being stranded. The stiffener layer is wrapped around the large casing.

Ribbon type: Ribbon-type cable is named after the fiber contained in the cable as a ribbon fiber unit. A Strip fiber unit is a rectangular fiber combination composed of several layers of strip fiber overlapping. The banded optical fiber unit is placed in the large sleeve, which is the beam tube type banded optical cable; Into the skeleton slot, is the skeleton ribbon cable; The cable is placed in the fiber sleeve and twisted around the center strengthening member.