Photoelectric transmission board card compatible with various communication interfaces

Abstract

The invention relates to a photoelectric transmission board card compatible with multiple communication interfaces, and belongs to the field of optical fiber communication. The card comprises a VPX connector, a QSFP optical module, a VGA signal processing circuit, a USB signal processing circuit, a PS / 2 signal processing circuit, an RS422 signal receiving circuit, an FPGA working module, a PCB anda DVI signal processing circuit. The VPX connector, the QSFP optical module, the VGA signal processing circuit, the USB signal processing circuit, the PS / 2 signal processing circuit, the RS422 signalreceiving circuit, the FPGA working module and the DVI signal processing circuit are all arranged on the PCB. The VPX 6U board card standard is adopted, the application requirements of the market foroccasions such as remote monitoring or display mainly using computers are met, efficient and long-distance optical fiber communication conversion of various types of interface signals is achieved, and the signal quality is guaranteed.

Description

technical field [0001] The invention belongs to the field of optical fiber communication and relates to a photoelectric transmission board compatible with various communication interfaces. Background technique [0002] Optical fiber communication has occupied an indispensable position in modern communication. Due to the advantages of optical fiber communication such as long transmission distance, economy and energy saving, fast communication speed, good confidentiality, and the ability to transmit massive amounts of information at one time, more and more application fields need to use Traditional electrical signals are converted into optical signals for transmission. [0003] For specific monitoring and display occasions that mainly use computers, such as conference centers, demonstration halls, checkpoints at checkpoints, cashier stations, military exercise monitoring stations, etc., it is necessary to transmit the output content of the user's computer graphics card to a re...

AI Technical Summary

Problems solved by technology

All have high resolution, no delay, and long-distance transmission requirements, and the current photoelectric transmission board card cannot guarantee the transmission quality of communication signals with higher and higher rates during the process of converting electrical signals into optical signals, and cannot Compatible with various communication interface signals of computer terminals, which greatly limits the utilization rate of the board and expands the application field and convenience

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