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an ethernet switch module

A technology of Ethernet and switching, applied in the field of communication, can solve the problems of inconvenient testing of automotive plastic optical fiber Ethernet, inapplicability of automotive plastic optical fiber Ethernet interface testing, etc., and achieve the effect of convenient testing

Active Publication Date: 2022-01-25
深圳市周立功单片机有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the development process of automotive Ethernet, it is necessary to test whether the communication of automotive Ethernet is normal, but the standard Ethernet test instruments on the market can only be applied to standard Ethernet interfaces, not suitable for testing automotive plastic optical fiber Ethernet interfaces. Testing Automotive Plastic Optical Fiber Ethernet Inconvenience

Method used

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Embodiment 1

[0034] An Ethernet switching module, figure 1 A structural block diagram of an Ethernet switching module provided in Embodiment 1 of the present application is given, refer to figure 1 , the Ethernet conversion module includes a twisted pair Ethernet transceiver 1, a fiber optic Ethernet transceiver 2, a standard Ethernet transceiver 3 on the twisted pair side and a standard Ethernet transceiver 4 on the fiber side. In this embodiment, the twisted pair Ethernet transceiver 1 and the optical fiber Ethernet transceiver 2 are the automotive twisted pair Ethernet transceiver 1 and the automotive plastic optical fiber Ethernet transceiver 2 respectively.

[0035] Wherein, the data transceiving interface (TX interface and RX interface) of the optical fiber side standard Ethernet transceiver 4 is connected to the data transmitting interface (TX interface and RX interface) of the optical fiber Ethernet transceiver 2 . Specifically, the RX interface and the TX interface of the standar...

Embodiment 2

[0045] An Ethernet switching module, figure 2 A system block diagram of an Ethernet switching module provided in Embodiment 2 of the present application is given, and this embodiment provides further configuration of the Ethernet switching module on the basis of Embodiment 1.

[0046] refer to figure 2 , in this embodiment, the twisted-pair Ethernet transceiver 1, the optical fiber Ethernet transceiver 2, the twisted-pair side standard Ethernet transceiver 3 and the fiber-optic side standard Ethernet transceiver 4 are automotive 100M twisted-pair wires respectively Ethernet transceivers, automotive Gigabit plastic optical fiber Ethernet transceivers, standard 100M Ethernet transceivers and standard Gigabit Ethernet transceivers, the transceiver (network communication chip) models used can be selected according to actual needs.

[0047] Exemplary, in this embodiment, the network communication chip models used in the automotive 100M twisted pair Ethernet transceiver, the auto...

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Abstract

The embodiment of the application discloses an Ethernet switching module. The technical solution provided by the embodiment of the present application connects the data transceiver interfaces of the twisted-pair Ethernet transceiver, the optical fiber Ethernet transceiver, the twisted-pair side standard Ethernet transceiver, and the fiber-optic side standard Ethernet transceiver to each other, and according to The working mode of the twisted pair Ethernet transceiver or the standard Ethernet transceiver on the fiber side, configure the fiber optic Ethernet transceiver into an adapted working mode, and realize the connection between the twisted pair Ethernet and the standard Ethernet on the twisted pair side, The conversion of physical layer protocols between optical fiber Ethernet and standard Ethernet on the optical fiber side and between twisted pair Ethernet and optical fiber Ethernet realizes the conversion of different Ethernet interfaces and facilitates the testing of automotive Ethernet.

Description

technical field [0001] The embodiment of the present application relates to the technical field of communications, and in particular to an Ethernet switching module. Background technique [0002] The application of new technologies in automobiles puts forward higher requirements for the bandwidth of automobile networks. A series of new technologies such as automobile intelligence, networking, high-quality automobile entertainment, OTA, and V2X have all promoted the explosive growth of automobile network bandwidth demand. Automotive Ethernet not only has the required bandwidth to meet the above technologies, but also has huge performance potential. Therefore, automotive Ethernet will be more commonly used in automotive in-vehicle networks. [0003] Generally, the development of automotive Ethernet requires a lot of debugging. According to different physical layers, the current automotive Ethernet is divided into automotive twisted pair Ethernet and automotive plastic optica...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/02H04B10/25
CPCH04L12/02H04L49/40H04L49/352H04L49/351
Inventor 周立功陈超鹏
Owner 深圳市周立功单片机有限公司
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