Ethernet switching module

An Ethernet and transfer technology, applied in the field of communications, can solve the problems of inconvenient testing of automotive plastic optical fiber Ethernet, inappropriate for automotive plastic optical fiber Ethernet interface testing, etc., and achieve the effect of convenient testing

Active Publication Date: 2020-09-04
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 marke

Method used

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Experimental program
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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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PUM

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Abstract

The embodiment of the invention discloses an Ethernet switching module. According to the technical scheme provided by the embodiment of the invention, data transceiving interfaces of a twisted pair Ethernet transceiver, an optical fiber Ethernet transceiver, a twisted pair side standard Ethernet transceiver and an optical fiber side standard Ethernet transceiver are connected with one another; according to the working mode of the twisted-pair Ethernet transceiver or the optical fiber side standard Ethernet transceiver, the optical fiber side standard Ethernet transceiver is selected; the optical fiber Ethernet transceiver is configured to be in an adaptive working mode; conversion of physical layer protocols between the twisted-pair Ethernet and the twisted-pair side standard Ethernet, between the optical fiber Ethernet and the optical fiber side standard Ethernet and between the twisted-pair Ethernet and the optical fiber Ethernet is achieved, conversion of different Ethernet interfaces is achieved, and testing of an automobile Ethernet is facilitated.

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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IPC IPC(8): H04L12/02H04L12/931H04B10/25
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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