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Ethernet cable communication extender

A cable communication and Ethernet technology, applied in the field of extenders, can solve the problems of inconvenience and high cost, and achieve the effects of stable performance, high communication rate and flexible networking functions

Inactive Publication Date: 2018-08-17
CHANGZHOU COLLEGE OF INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, VDSL technology has the defect that it can only realize point-to-point data communication. To form a local area network, multiple switches must be used, which is very inconvenient and expensive.

Method used

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  • Ethernet cable communication extender
  • Ethernet cable communication extender
  • Ethernet cable communication extender

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0026] See Figure 1 to Figure 3 , a kind of Ethernet cable communication extender of the present embodiment, comprises:

[0027] An Ethernet switch chip;

[0028] Two groups of isolated communication modules, each group of isolated communication modules includes an isolation circuit, a communication control module, a protection circuit and a communication interface connected bidirectionally in sequence; the isolation circuit is bidirectionally connected with the Ethernet switch chip, and the isolation circuit includes electrical isolation Transformer; the communication control module is connected to the communication interface through the protection circuit.

[0029] A device interface isolation circuit and a device interface; the device isolation circuit includes a voltage isolation transformer bidirectionally connected to the Ethernet switch chip.

[0030] Such as figure 2 As shown, MOD923 is a communication control module based on the third-generation PLC controller ch...

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PUM

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Abstract

The invention discloses an Ethernet cable communication extender, comprising an Ethernet switching chip; two groups of isolating communication modules, wherein each group of isolating communication module comprises an isolating circuit, a communication control module and a communication interface which are bidirectionally connected in sequence. The isolating circuits and the Ethernet switching chip are bidirectionally. According to the extender provided by the invention, high speed Ethernet signals can be transmitted on various media such as coaxial cables and twisted pair cables. The extenderhas the advantages that the transmission distance is long, a communication rate is high, the multimedia business is supported, and the hybrid networking is supported. The extender can be widely applied to fields such as security protection, vehicles, elevators, petroleum and coal underground communication, smart home electronic appliances and smart power grids.

Description

technical field [0001] The invention relates to an extender, in particular to an Ethernet cable communication extender used in occasions where optical fiber communication and wireless communication are not applicable. Background technique [0002] In the industrial field, there are three main methods of Ethernet communication, namely wired communication, wireless communication and optical fiber communication. At present, wireless and optical fiber communication methods are two mainstream methods, but in some special occasions, the Ethernet data communication of mobile devices adopts the cable method of wired communication, which has the advantages of convenient construction and maintenance, so the use of wired communication is also more Wide, but it has the problem of short communication distance. [0003] In order to solve the problem of short communication distance of Ethernet cables, VDSL (Very-high-bit-rate Digital Subscriberloop) technology is mostly used at present. T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B3/04H04L12/931H04L12/933H04N7/18
CPCH04B3/04H04L49/109H04L49/351H04N7/18
Inventor 蒋继平孙飞汪涵
Owner CHANGZHOU COLLEGE OF INFORMATION TECH