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Technical characteristics and development trends of telephone optical transceivers
Release time:
2025-05-16
China's telephone optical terminal has developed rapidly along with the development of the monitoring industry, from analog to digital, and then from digital to high-definition, constantly advancing. After years of technological accumulation, it has reached a very mature stage.
About Telephone optical transceivers Analysis of technical characteristics and development trends.
China's telephone optical transceivers have developed rapidly along with the development of the monitoring industry, from analog to digital, and then from digital to high-definition, constantly advancing. After years of technological accumulation, they have reached a very mature stage.
In China, telephone optical transceivers have not made major technological breakthroughs, but in segmented applications, some special functions can still be developed and improved, including improvements in system stability, capacity, and other conventional performance. This is the driving force behind telephone optical transceiver manufacturers' tireless pursuit of breakthroughs.
Development and innovation are unlimited, but stable performance is the top priority. Now that telephone optical transceiver technology is quite mature, many manufacturers have shifted their development focus to improving product performance. Currently, the performance of optical transceivers is mainly improved in the following aspects:
First, the development of single-mode is emphasized. Optical fiber transmission can be divided into multi-mode and single-mode. Single-mode can completely avoid modal dispersion, has good transmission effects, is not easily interfered with, has a wide transmission bandwidth, and a large transmission capacity, suitable for large-capacity, long-distance transmission.
Second, modular and hybrid access design. Modular design is flexible and changeable, and can provide expandable functions for system development; with the trend of digitalization, the integration of SDI technology, and the coexistence of products with different standards bring inconvenience to manufacturers. Therefore, in addition to modular design, hybrid access design is also needed to provide RJ-45 network interfaces, BNC interfaces, etc., in the device, so that analog signals and network signals can be transmitted in the same telephone optical transceiver.
Third, enriching the application forms of telephone optical transceivers. This technology will greatly reduce the number of product specifications to one or two, and customers can access them at will. It is convenient to plan according to the situation of the fiber access point. Telephone optical transceivers will no longer be limited by point-to-point, nodes, rings, and convergence. One product is compatible with all access methods, greatly reducing the number of optical fibers used.
Fourth, the application of multiplexing technology (EDM, TDM, and WDM), mainly to solve the problem of small single-fiber transmission capacity, especially HD-SDI applications, which occupy a large bandwidth and have a large amount of traffic. If multiplexing technology can be integrated with wavelength division multiplexing technology, the capacity can be increased several times, so the research and development of multiplexing technology is particularly important. Related reading: Fiber optic transceivers are very common in weak current engineering.
Although telephone optical transceivers have some technical difficulties, their advantages are irreplaceable by other technologies. Optical transceivers are focusing on improving equipment network management, multi-services, and reliability, and will remain the main force of transmission for a long time to come. The development technology of telephone optical transceivers has gradually improved, and it is believed that this technology will develop qualitatively in the near future.
In recent years, the global optical communication market has performed well, and the upcoming 5G and Internet of Things era has provided a very good opportunity for the optical communication industry to take off again! Our company "Guangzhou Yinxun Comm.Tech.Co..Ltd" is full of confidence in the future.
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