Cascade connection type video optical transmitter and receiver with protection of optical self-healing ring

Abstract

The invention relates to a cascade connection type video optical transmitter and receiver with the protection of an optical self-healing ring, which consists of a first-level cascade connection type video optical transmitter and receiver with the optical self-healing ring, a second-level cascade connection type video optical transmitter and receiver with the optical self-healing ring, a third-level cascade connection type video optical transmitter and receiver with the optical self-healing ring and the like until an Nth-level cascade connection type video optical transmitter and receiver with the optical self-healing ring, wherein the N is a natural number smaller than or equal to 16 and more than or equal to 2. The cascade connection type video optical transmitter and receiver is characterized in that the adjacent levels of the cascade connection type video optical transmitter and receiver with the optical self-healing ring are connected through a single mode fiber, and the first-level cascade connection type video optical transmitter and receiver with the optical self-healing ring and the Nth-level cascade connection type video optical transmitter and receiver with the optical self-healing ring are connected through the single mode fiber, so as to form an optical link of the optical self-healing ring. The application reliability of a cascade connection type video optical transmitter and receiver system can be greatly improved by only increasing low cost. The optical links among all levels of the optical transmitter and receiver with the optical self-healing ring are interrupted, the data of video and the like can be automatically transmitted through the optical self-healing ring without influencing the normal video transmission.

Description

technical field [0001] The invention belongs to the fields of optical fiber communication and security monitoring, and in particular relates to a cascading video optical transceiver with optical self-healing ring protection. Background technique [0002] At present, cascaded video optical transceivers are widely used in the monitoring along the expressway. Each node in the system is connected in series through a single-core optical fiber and transmitted to the monitoring center step by step. Through cascading video optical transceivers, fiber resources can be effectively used to realize video surveillance along the expressway. In highway monitoring and other fields, cascaded video optical transceivers have been widely used. However, there is a common problem in the application of cascaded video optical transceivers widely used at present, that is, once any single-core optical fiber on the transmission path fails, the video transmission from all nodes before the fault point ...

AI Technical Summary

Problems solved by technology

However, there is a common problem in the application of cascaded video optical transceivers widely used at present, that is, once any single-core optical fiber on the transmission path fails, the video transmission from all nodes before the fault point to the central node will all be lost. Interruption, unless the fiber at the fault point is repaired, the video transmission from all nodes before the fault point to the center cannot be resumed

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