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Qingdao Applied Photonic Technologies Co.,Ltd
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Broadband Optical Access Network Advantages

- May 17, 2018 -

Point-to-point active Ethernet system

Historically, Ethernet technology has been the most popular method in the enterprise application environment. It has now become the second largest residential and office utility interface after the power socket. The main reason is that there is a huge network foundation and long-term experience and knowledge. At present, all popular operating systems and applications are also compatible with Ethernet, with good performance and price ratio, scalability, easy installation, and high reliability.

For the public network residential user application environment, the point-to-point active Ethernet system uses active traffic concentration points instead of passive point-to-multipoint system passive components, so that the transmission distance can be extended to 120 km. The main advantage of this technology is dedicated access, bandwidth is guaranteed, each user can enjoy 100Mbit/s or even 1Gbit/s in the wiring section and the incoming line segment; the central office equipment is simple and cheap; the transmission distance is long, the service area is large; the cost It increases linearly with the actual increase in the number of users. It is predictable, there is no need for planning, the investment risk is low, and the utilization rate of equipment ports is high. Therefore, the cost is low in low-density user distribution areas. The disadvantages are that the two ends are dedicated to equipment and fiber facilities, and users cannot share central office equipment and optical fibers. When the demand grows quickly and users are dense, the number of optical fibers and equipment at both ends and its cost and space requirements also increase rapidly. Too suitable for high-density user areas. In addition, active Ethernet requires multiple points of power supply and backup power, and many network management components (including power supplies) increase the complexity of power supply and network management. Third, from the perspective of standardization, active Ethernet does not have a unified standard, but uses multiple related standards, resulting in a variety of incompatible solutions. Finally there is a factor that may affect the choice of Ethernet technology is the traditional way of providing video services, for example, some US telecommunication companies (such as Verizon) promise to provide the same quality of traditional analog RF video programs, while Ethernet technology supports traditional analog RF The transmission of video programs is more difficult.

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