a transmission device

Abstract

The present invention provides a transmission device, including: a line unit for generating signal light for carrying service signals; wherein, the transmission device further includes a monitoring light generating unit, a coupling unit and a signal processing unit, the monitoring light generating unit, Used to generate monitoring light for detecting the optical transmission medium; the coupling unit is used to couple the signal light and the monitoring light and send them to the optical transmission medium, and send the reflected monitoring light received from the optical transmission medium to the signal processing unit; The signal processing unit is configured to perform signal processing and analysis on the monitoring light returned by the coupling unit, and obtain the breakpoint position of the optical transmission medium. The above-mentioned transmission device works by coupling the signal light and the monitoring light on the same optical transmission medium, the detection of the optical transmission medium will not affect the existing services of the transmission network, and can realize the breakpoint of the optical transmission medium of the transmission network Or the fault point with large loss can be accurately and quickly located online in real time.

Description

technical field [0001] The present invention relates to the technical field of communications, in particular to a transmission device. Background technique [0002] As a transmission tool, optical cable has penetrated into all areas of people's work and life, and has become the cornerstone of today's information superhighway. When the optical cable is damaged, communication will be interrupted, such as computer users cannot access the Internet, and various information cannot be transmitted. The damage to the optical cable not only brings huge economic losses to the telecommunications sector, but also brings a lot of inconvenience to the masses due to poor communication. [0003] However, the existing transmission equipment and system network management cannot automatically monitor the optical cable alarm, and can only manually judge whether there is an optical cable interruption, and then carry out the fault point test with an OTDR instrument on site, and manually calculate...

AI Technical Summary

Problems solved by technology

Compared with the traditional hand-held OTDR instrument to test the fault point of the optical cable, this method realizes the detection from the manual on-site detection to the automatic start of the OTDR; For the test of optical cables, it is impossible to monitor the optical cables online 24 hours a day, and it is necessary to switch the optical switch to monitor the fiber core when driving the optical time domain reflectometer, which will affect the business of the normal fiber core.

When an optical cable with a large number of cores is completely broken, such as a 48-core or 96-core optical cable, it is necessary to switch one by one to detect each optical transmission medium, the complexity will increase, and the detection time will also increase with the number of cores. Large and increasing, unable to achieve real-time detection

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