What are the emergency repair measures for optical cable interruptions in reality?

It is extremely difficult to repair an optical cable after it is interrupted. The difficulty lies not in repair, but in how to find the location of the optical cable failure. The previous method of finding the fault point of an optical cable requires the cooperation of multiple people. First, one person needs to climb a telephone pole or open the optical cable routing manhole cover, and bend the optical cable to create a light attenuation. Another inspector accesses the OTDR equipment at the optical cable transfer box to check the bending light attenuation, thereby determining the sheath length in meters at the bending point of the optical cable. If it is a buried optical cable, it is even more complicated. You need to dig several or even a dozen exploration pits, and even destroy the armored outer sheath of the optical cable in use or the target optical cable before you can know the meter length of the optical cable sheath. Only by repeatedly bending the optical cable or digging a hole to find the target optical cable and replacing a large section of the optical cable can an optical cable fault be eliminated. It is even more difficult and time-consuming to deal with light failure points or failure points caused by animal chewing. Now the latest optical cable fault locator can perfectly solve this problem.

The optical cable routing intelligent locator adopts the principle of backward Rayleigh scattering. According to the difference in the light round-trip time of the signal in the optical cable at different locations, the position of the knocking point is located based on the time difference; regarding vibration sensing, when When we tap the optical cable or the ground, the vibration signal generated will affect the phase of the light transmitted in the optical fiber. We demodulate the phase information of the light through the background software and display it using waveform diagrams.

Basic principles of optical fiber sensing

Basic principles of acoustic positioning

About Wuhan Optics Valley Interconnect Technology Co., Ltd.:

By from Central China Founded in 2013 by the technical team of the University of Science and Technology, it focuses on optical communications and optical sensing technology. All products are completely independently developed, have independent intellectual property rights, are internationally leading, safe and controllable. The company was recognized by the Hubei Provincial Government as a "National High-tech" and "3551 Talent Plan".

Current demand for optical cable resource inventory:

With the rapid development of 5G, edge computing, industrial Internet, Internet of Things, smart city construction and other application scenarios and the blockchain field, the demand for optical fiber communications Demand is growing exponentially; operators invest heavily in laying optical cables to meet communication needs. Maintenance personnel need to be responsible for the availability of optical cables and improve the efficiency of this huge asset. Operation and maintenance work faces huge challenges.

The current status of optical cable routing in China:

The number of optical cables is huge and the management is chaotic

The utilization rate is low and the routing direction is unclear

Dumb resources are not available Monitoring

Lack of means and low maintenance efficiency

Difficulty in locating faults and long network interruption time

The old and new resource data are inconsistent and difficult to reuse

< p>Optical cable design and construction data entry are manual, and the error rate is high as they are transferred between multiple posts

There is a lack of means to verify the same routing of optical cable lines and locate fault points, resulting in low repair efficiency and high manpower consumption

The routing of optical cables is unreasonable, making it difficult to clean and optimize later

Network construction is adjusted frequently, the accuracy of asset management data is not high, and the data cannot be updated in a timely manner

Resources are used across multiple disciplines. Interactive communication is difficult and the efficiency is low

About Optics Valley Interconnect Technology’s intelligent routing locator:

The positioning of the optical cable routing intelligent locator: daily optical cable resource inventory, optical cable routing precision labeling, faults Positioning, routing verification and project engineering acceptance!

In this equipment, the optical fiber is used as a vibration sensor to collect the vibration at the remote end, and at the same time, it is used as a signal transmission carrier to transmit the reflected signal generated by the vibration to the system host. The equipment host analyzes and performs algorithm calculations. , the signal analysis results are given, and the results are fed back to the remote end through the Internet. The remote troubleshooter performs a simple tap, sees the results synchronously, and instantly determines the optical cable route.

The series of optical cable routing intelligent locator products can search and locate buried optical cables and pipeline optical cables, generate specific location data of optical cable splice boxes, fiber break points, and light attenuation points, and provide pipeline construction protection support. Serve.

Product Highlights

Ultra-high sensitivity, can detect the underground with a depth of more than 3m;

Ultra-high accuracy, the underground optical cable length judgment accuracy is better than ±2m;

High-precision GPS/Beidou positioning, realizing precise GIS for optical cables;

Multi-channel rapid remote switching test, minute-level same-route determination;

Complete API interface , can be customized and docked with various systems;

Resource Inventory

The optical fiber is used as a vibration sensor to collect the vibration at the far end, and at the same time, it is used as a signal transmission carrier to transmit the reflected signal generated by the vibration. Transmitted to the system host, the host analyzes and gives the results, and sends feedback to the remote troubleshooter through the Internet. You only need to perform a simple tap to view the results instantly.

The optical cable routing intelligent locator can search and locate buried optical cables and pipeline optical cables, generate specific location data of optical cable connector boxes, fiber break points, and large loss points, and provide pipeline construction protection support services.

Precise routing labeling

Accurate positioning of optical cable routing, utilizing the high sensitivity of the equipment, combined with high-precision GPS positioning, to accurately draw optical cable information, build optical cable GIS maps, ensure optical cable construction and maintenance, and find Fiber optic cable is fast and accurate.

Accurately record all the information of the bound optical cable in the well, intelligently generate optical cable routing reports, and provide a complete API interface. Digital optical cable information can be seamlessly imported into the asset management system, reducing manual entry links and reducing error rates, which greatly Improve management efficiency.

Fault location

Use the approximation method to accurately and quickly locate the fault point. By tapping the ground or manhole cover, you can view the location from the fault point, and combine it with the GIS map for precise positioning.

Single person, single machine, fault location, accuracy 2 meters. There is no need to go down the well, no need to rely on tags, information is fully automatically collected, the workload is small, the troubleshooting time is greatly reduced, and the efficiency is high.

Same route determination

Same route of optical cables is a major hidden danger in transmission networking; it is mainly divided into same cable and same route (same cable and same route between two points, same cable within the ring) The same route), the same pole (pipe) and the same route, and the near pole (pipe) and the same route. Once an optical cable and routing failure occurs, it is easy to cause multiple transmission equipment to go out of control, thereby interrupting a large number of home broadband, government and enterprise dedicated lines, and wireless base station services.

The system integrates multi-channel fast switching devices at the same time, which can connect 20 jumpers at the same time. Testers can use smart terminals to perform remote fast switching, making it convenient and fast to determine the same route, avoiding major problems at the design end. question.

Main functions:

If you need relevant information, please contact 155 7150 1060?