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Embedded serial port networked server

A server and embedded technology, applied in the server field, can solve the problems of limited extension distance, difficult implementation, heavy wiring workload, etc., to achieve the effect of increasing convenience and increasing equipment reliability

Inactive Publication Date: 2009-12-23
CHENGDU ZHONGSHAN SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, in environmental protection, electric power, industrial control, security and other industries, a large number of computer systems are used, and Ethernet is widely deployed for computer networking. Therefore, Ethernet has become a common interface method in the existing environment, but a large number of Electronic equipment and instruments are designed to communicate only through the RS232 serial port. When the electronic equipment and instruments are not in the same place as the control computer, it is necessary to use a way to network the electronic equipment and instruments with the computer. Usually, the method of extending the serial line (such as RS484 communication) is used. This method generally has the problems of heavy wiring workload and difficult implementation, and the extension distance is also limited.

Method used

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  • Embedded serial port networked server

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Embodiment

[0018] Such as figure 1 As shown, the embedded serial server is mainly composed of Ethernet PHY, said Ethernet PHY is an Ethernet physical layer, and an Ethernet interface connected to Ethernet PHY, and its structure also includes a CPU, and is connected to the CPU respectively The power processing module, EEPROM memory and SRAM memory, the EEPROM memory is an electrically erasable programmable read-only memory, which is a user-changeable read-only memory, which can be erased and reset by the action of a higher than normal voltage Programming, the SRAM memory is a synchronous dynamic random access memory, which is the memory needed by our PC or embedded system CPU, and the Ethernet PHY is also connected to the CPU and the power processing module respectively. For the convenience of the user, the CPU is also connected to the user interface, the user interface is composed of a UART interface and an I / O port, and the UART interface and the I / O port are respectively connected to t...

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Abstract

The invention discloses an embedded serial port networked server, mainly comprising an Ethernet PHY and an Ethernet interface connected with the Ethernet PHY, and also comprising a CPU and a power processing module, a UART interface and an I / O port, an EEPROM memory and an SRAM memory, which are respectively connected with the CPU; wherein, the Ethernet PHY is connected with the CPU and the power processing module respectively; the power processing module is also provided with a power interface and a watchdog circuit which is directly connected with the CPU. The server can substantially simplify user equipment and realize SMS transceiving, is convenient and reliable in use and has universality.

Description

technical field [0001] The invention relates to a server, in particular to an embedded serial port networking server. Background technique [0002] At present, in environmental protection, electric power, industrial control, security and other industries, a large number of computer systems are used, and Ethernet is widely deployed for computer networking. Therefore, Ethernet has become a common interface method in the existing environment, but a large number of Electronic equipment and instruments are designed to communicate only through the RS232 serial port. When the electronic equipment and instruments are not in the same place as the control computer, it is necessary to use a way to network the electronic equipment and instruments with the computer. Usually, the method of extending the serial line (such as RS484 communication) is adopted. This method generally has the problems of heavy wiring workload and difficult implementation, and the extension distance is also limit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/02H04L12/28
Inventor 李强
Owner CHENGDU ZHONGSHAN SCI & TECH
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