Optical cable general investigation device for detecting knocking position and optical cable general investigation method for detecting knocking position

Abstract

The present application discloses an optical cable general investigation device for detecting a knocking position. The optical cable general investigation device comprises a laser device, an optical splitter, an optical interference module, an optical scattering signal acquisition module, an optical interference signal acquisition module and a data analysis module, wherein the laser device is coupled with the optical splitter; the optical splitter is respectively coupled with the optical interference module, a test port and the optical interference signal acquisition module; the optical interference module is respectively coupled with the optical splitter and the test port; the test port is respectively coupled with the optical splitter, the optical interference module and the optical scattering signal acquisition module; the optical scattering signal acquisition module is respectively coupled with the test port and the data analysis module; the optical interference signal acquisition module is respectively coupled with the optical splitter and the data analysis module; and the data analysis module is respectively coupled with the optical scattering signal acquisition module and the optical interference signal acquisition module. The optical cable general investigation device can be widely applied in the fields of cut-over, splicing, resource checking and the like.

Description

technical field [0001] The invention belongs to the field of optical cable detection, and relates to an optical cable general inspection device and method for detecting the knocking position. Background technique [0002] Testing optical fiber communications technology (optical fiber communications) stands out from traditional communication methods and has become one of the main pillars of modern communications, playing a pivotal role in modern telecommunication networks. As an emerging technology, optical fiber communication is rarely seen in the history of communication for its rapid development and wide range of applications in recent years. It is also an important symbol of the world's new technological revolution and the main transmission tool for various information in the future information society. [0003] The current demand for optical cables is increasing day by day, and the optical cables have also been expanded from the previous single core to a maximum of 2096 ...

AI Technical Summary

Problems solved by technology

[0004] Optical cable search is a key part of the preparatory work for line engineering construction, installation and maintenance. For the detection of point-to-multipoint passive optical The central office is completed, that is, the optical time domain reflectometer (Optical Time Domain Reflectomter, hereinafter referred to as: OTDR) is used to send a test signal at the central office, the test signal is switched to the optical path under test through the optical switch, and the test signal reaches the end of the PON network (ONU ) and reflected back to the central office, the OTDR at the central office analyzes the optical path characteristics of the measured optical path by receiving the test signal returned from the original path. Extract the information of each branch from

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