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Communication apparatus and method based on SFP optical module

A technology of communication device and optical module, which is applied in the field of communication, can solve the problems of not being able to achieve stable one-way communication and high communication speed at the same time, and achieve the effect of satisfying security and reducing the number of wiring

Pending Publication Date: 2017-12-29
CHINA TECHENERGY +1
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  • Abstract
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Problems solved by technology

[0006] In order to solve the technical problem of not being able to achieve stable one-way communication and high communication speed in the communication technology scheme with high security requirements in the prior art; the present invention provides a communication device and method based on SFP optical modules, by combining Technical solution of programmable logic logic and SFP optical module to realize high-speed secure communication

Method used

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  • Communication apparatus and method based on SFP optical module
  • Communication apparatus and method based on SFP optical module

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Experimental program
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Embodiment

[0043] Such as figure 1 As shown, this embodiment provides a communication device based on an SFP optical module, the communication device includes:

[0044] The programmable logic device 110 is provided with a parallel data interface, and can convert the received data into data in a predetermined format; wherein, the data in the predetermined format can be the user's own data format (data developed and designed by the user according to needs) format), or may also be a data format that conforms to predetermined standards;

[0045]The programmable logic device 110 may be but not limited to FPGA (English full name is Field-Programmable GateArray, ie field programmable gate array) or CPLD (English full name is Complex Programmable Logic Device, ie complex programmable logic device), the programmable logic device 110 is provided with a data port of Gigabit Ethernet for sending and receiving data, such as TBI (English full name is Ten-Bit interface, i.e. 10-bit interface) data por...

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Abstract

The invention belongs to the technical field of communications and provides a technical solution for realizing high-speed data transmission in case of secure one-way data transmission. The technical solution includes a communication apparatus and method based on an SFP optical module. The apparatus comprises a programmable logic device which is provided with a parallel data interface and is capable of converting received data into data conforming to a predetermined format; a serial-parallel data conversion chip which is connected with the programmable logic device through a parallel bus and is capable of realizing mutual conversion between serial data and parallel data; and the SFP optical module which is connected with the serial-parallel data conversion chip through a serial data line and adopts a one-way communication mode without bidirectional verification during data transmission.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to a communication device, system and method based on an SFP optical module, and more specifically, to a communication device and method based on an SFP optical module used in nuclear safety level-by-level communication. Background technique [0002] In the field of communication with high security requirements, such as the communication of nuclear power plants, for safety considerations, to ensure the information security of safety-critical equipment, the communication is often required to be one-way communication. It will be simpler and more reliable in the design of a secure communication network. [0003] Most of the unidirectional transmission solutions in the prior art have adopted signal transmission protocols with electrical connections, such as RS-422 (the full name is "Electrical Characteristics of Balanced Voltage Digital Interface Circuit", which defines th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B10/40H04B10/25
CPCH04B10/40H04B10/25891
Inventor 马洪杰江国进孙永滨白涛赵勇
Owner CHINA TECHENERGY
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