Cable and cable system

Abstract

The invention discloses a cable and a cable system. The cable comprises an SZ (String Zero)-type cable frame and a plurality of fiber units, wherein a plurality of frame grooves are arranged in a concave mode on the outer periphery of the frame, and the plurality of fiber units in the cable are grouped and respectively arranged in the corresponding frame grooves so as to have the advantages of easy stripping and extraction, high reliability and long service life. The cable in mounting not only avoids connecting bifurcation among floors, shortens the welding / terminating time, simplifies the cable distribution, greatly decreases the deployment cost of an ODN (Optical Distribution Network) and accelerates the scaled deployment of FTTX (Cable to the) ODN, but also avoids the mutual interference of fibers in extraction and improves the fiber reliability after mounting.

Description

technical field [0001] The invention relates to a network wiring optical cable, in particular to an optical cable suitable for building wiring and an optical cable system. Background technique [0002] FTTH (Fiber To The Home, Fiber To The Home) is difficult to deploy in the building, which is the main reason affecting the large-scale commercial use of FTTH. Due to the complex environment, the laying of indoor optical cables is a huge challenge for deploying FTTH networks. The main problems are: [0003] 1) Ordinary vertical wiring products need divergence and connection in the corridor, which not only requires professional personnel and tools, but also requires the use of fiber distribution boxes that occupy a relatively large space. [0004] 2) When there is a divergence in the corridor, the project cost is continuously increased, and the loss of the optical fiber is also increased. [0005] 3) The corridor space is small and the construction environment is poor, which ...

AI Technical Summary

Problems solved by technology

[0003] 1) Ordinary vertical wiring products need divergence and connection in the corridor, which not only requires professional personnel and tools, but also requires the use of fiber distribution boxes that occupy a relatively large space

[0004] 2) When there is a divergence in the corridor, the project cost will be continuously increased, and the loss of the optical fiber will also be increased

[0005] 3) The corridor space is small, the construction environment is poor, and the construction difficulty is increased

[0018] 1) There is a certain limit to the length of optical fiber extraction, and customers with long home access distances need to connect again

[0019] 2) Before extracting the optical fiber, it is necessary to open a window on the upper floor and cut it off. There is interference between the optical fiber units during extraction.

[0020] 3) When the number of cores of the optical cable is large, it is difficult to find the cut optical fiber

[0021] 4) The optical fiber unit "stands" in the sheath, the vertical height is limited or special measures must be taken

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