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Individualized ethernet exchange plate and data exchanging method

A technology of data exchange and Ethernet, applied in the direction of data exchange network, digital transmission system, electrical components, etc., can solve the problems of inconvenient control, increase the complexity of product types, and prone to failure, so as to reduce repetitive labor and shorten R&D time and the effect of saving labor costs

Inactive Publication Date: 2007-01-31
FENGHUO COMM SCI & TECH CO LTD
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Problems solved by technology

[0004] by the above figure 1 , 2 It can be seen from the products shown in , 3 that in order to complete different functions, the Ethernet switching boards of the prior art need to have different hardware structures, which increases the complexity of product categories
In the case where the interface standards of the switch chip and the EOS chip are not uniform, multiple physical interface chips need to be used on the switch board, and the physical interface chip occupies a large area on the circuit board, and the entire switch board has more than 3 physical interface chips , the control is very inconvenient and prone to failure; and due to the increase of PHYs, the peripheral circuits increase accordingly, the power and heat generation increase, and it is easy to cause the switching board circuit to work unstable
[0005] Therefore, need a kind of new Ethernet switching board product, to overcome the shortcomings of prior art product types complex, high failure rate, large power consumption, unstable work

Method used

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  • Individualized ethernet exchange plate and data exchanging method
  • Individualized ethernet exchange plate and data exchanging method
  • Individualized ethernet exchange plate and data exchanging method

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Embodiment Construction

[0024] The structure and working mode of the Ethernet switching board of the present invention will be explained in detail below in conjunction with the accompanying drawings.

[0025] like Figure 4 As shown, the main structure of the Ethernet switching board of the present invention is composed of a switching unit, an EOS unit, an interface conversion unit and a physical interface unit (PHY). Among them, the switching unit is composed of switch chips such as CXE-1000 and its peripheral auxiliary circuits, and mainly completes the switching of Ethernet data such as Fast Ethernet and Gigabit Ethernet, and virtual local area network (Virtual Local Area Network, referred to as VLAN) ), CIR (Commit Information Rate), PIR (Peak Information Rate), STP (Spanning-Tree Protocol), packet filtering, aggregation and other functions. Among them, the EOS unit is composed of PM5329, PM5333, PM5337 and other types of EOS chips and their peripheral auxiliary circuits, and mainly completes fu...

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Abstract

The invention relates to an Ethernet switchboard and data switching method, mapping commonly used Ethernet signal in multi-service transmission platform to synchronous digital hierarchy (SDH) by two-level switching or in transmitting mode, integrated with two-level switching chip and EOS chip and originally using FPGA to implement multimedia interface switching function and mode switching, effectively integrating switching mode and transmitting mode as well as some related functions and implementing the function of mapping Ethernet signal into SDH system.

Description

technical field [0001] The invention relates to the realization of an Ethernet switching board and a switching method that are mapped to an Ethernet switching board and a switching method transmitted in a Synchronous Digital Hierarchy (SDH) system through a two-layer switching mode or a transparent transmission mode commonly used in a multi-service transmission platform. Background technique [0002] With more and more business types in the communication industry, the interface types have become more and more complex. At this time, the traditional SDH interface can no longer fully meet the requirements of users. The emergence of the Multi-Service Transport Platform (MSTP) technology has solved this problem. MSTP can well rely on the Synchronous Digital Hierarchy (SDH) technology platform to expand the functions of data and other new services. At present, Ethernet services occupy an absolute weight in MSTP. The basic feature of Ethernet is to adopt a shared access called Car...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L12/58
Inventor 于小龙江榕李庆东杨正权冯珂
Owner FENGHUO COMM SCI & TECH CO LTD
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