CN201374722Y - Multi-serial port dual-Ethernet networked server - Google Patents
Multi-serial port dual-Ethernet networked server Download PDFInfo
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- CN201374722Y CN201374722Y CN200920038563U CN200920038563U CN201374722Y CN 201374722 Y CN201374722 Y CN 201374722Y CN 200920038563 U CN200920038563 U CN 200920038563U CN 200920038563 U CN200920038563 U CN 200920038563U CN 201374722 Y CN201374722 Y CN 201374722Y
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Abstract
The utility model relates to a multi-serial port dual-Ethernet networked server, comprising a power supply system, a minimum system, an Ethernet interface, a serial interface and a communication indication module, wherein the power supply system is respectively connected with the minimum system, the Ethernet interface and the communication indication module, and the minimum system is connected with the communication indication module, and is respectively connected with the Ethernet interface and the serial interface by an electromagnetic isolation chip. The utility model has the advantages that the multi-serial port dual-Ethernet networked server can lead the multi-channel RS232/RS485 serial port device to access network, can support the dual network connection of the host computer and the standby computer of the background system, can simultaneously complete the transparent forwarding of data between the RS232/RS485 serial port and the Ethernet port, and is particularly suitable for the place of the power plant, the transformer substation, the automatic distribution system and the like with more severe environment and high requirement on the stability and reliability of the operation.
Description
Technical field
The utility model relates to a kind of many serial ports Dual-Ethernet networked server, and a kind of specifically multi-channel serial port equipment that makes is linked network, supports the two nets of the active and standby machine of background system to connect, and finishes the device of the transparent forwarding of data between serial ports and the Ethernet interface simultaneously.
Background technology
In power plant, transformer station, distribution automation system, still adopt the RS232/RS485 communication mode in a large number, but along with the upgrading of equipment, the increase of amount of communication data, people more and more tend to adopt Ethernet to communicate.The equipment of these serial communications can't access network at present.This patent is exactly to have the equipment of a large amount of serial ports to need access network at these, and running environment is the situation of very severe and the solution that designs again.
Summary of the invention
The purpose of this utility model be to provide a kind of real-time, data throughout big, the interconnection device of good stability, reliability height, a large amount of serial equipments that antijamming capability is strong.
According to the technical scheme that the utility model provides, a kind of many serial ports Dual-Ethernet networked server comprises power-supply system, minimum system, Ethernet interface, serial interface and the indicating module of communicating by letter; Described power-supply system connects described minimum system, Ethernet interface, serial interface and the indicating module of communicating by letter respectively; Described minimum system is connected with the communication indicating module, and connects Ethernet interface and serial interface by the electromagnetic isolation chip respectively.
Described minimum system adopts 32 PowerPC processors, and described processor has SDRAM and program FLASH, BOOT FLASH, and real time operating system adopts VxWorks.
Described Ethernet interface comprises a 10/100M self adaptation network interface, a 10M network interface.
Described serial interface comprises basic serial ports and expansion serial ports, and wherein basic serial ports has 4 the tunnel, and described 4 these serial ports of roadbed have the MUX logical circuit, and 4 these serial ports of roadbed can be RS232 or RS485 mode by software arrangements; Described expansion serial ports has 12 the tunnel, is the RS485 interface.
Described communication indicating module comprises respectively the transmitting-receiving LED light that is connected with Ethernet interface with every road serial interface.
Described Ethernet interface and serial interface also are connected with lightning protection circuit respectively.
Described power-supply system connects described Ethernet interface and serial interface by DC/DC.
The utlity model has following advantage: the utility model can make multi-channel serial port (RS232/RS485) equipment link network, support the two nets of the active and standby machine of background system to connect, finish the transparent forwarding of data between serial ports (RS232/RS485) and the Ethernet interface simultaneously, it is more abominable to be specially adapted to running environment such as power plant, transformer station, distribution automation system, but to the stability and the place that has high requirements of reliability of operation.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As shown in Figure 1, the utility model comprises power-supply system, minimum system, Ethernet interface, serial interface and the indicating module of communicating by letter; Described power-supply system is output as Ethernet interface by the DC/DC isolation and serial interface provides power supply; Described minimum system is connected with the communication indicating module, and connects Ethernet interface and serial interface by the electromagnetic isolation chip respectively; Described Ethernet interface and serial interface also are connected with lightning protection circuit respectively.Below each module is elaborated.
Power-supply system: the utility model power-supply system is used small-sized 20W switch power module, has good EMC ability, super wide input voltage range, and it is little to generate heat, and working stability is reliable.Ethernet and serial interface power supply are isolated output by DC/DC.
Minimum system: adopt high performance 32 PowerPC processors, big capacity SDRAM and program FLASH, BOOT FLASH, RTOS (real time operating system) adopts VxWorks, has guaranteed system's good real time performance, the big data quantity handling capacity.
Ethernet interface: the utlity model has two Ethernet interfaces, a 10/100M self adaptation network interface, a 10M network interface.Ethernet interface circuit mainly comprises: Ethernet PHY chip, isolating transformer, lightning protection circuit and RJ45 socket.The two nets of the active and standby machine of Dual-Ethernet mouth straight cutting background system connect.Two network interfaces are back-level server and client mode of operation all, configurable selection.
Serial interface: the utility model has basic serial ports and expansion serial ports, and basic serial ports 4 tunnel has added MUX (data selector) logical circuit, and 4 these serial ports of roadbed can be RS232 or RS485 mode by software arrangements.Expansion serial ports 12 road is the RS485 interface.
The communication indicating module: every road serial ports and Ethernet all are furnished with the transmitting-receiving LED light, are used to indicate the carrying out of signal transmitting and receiving.
The utility model has comprehensive EMC (Electro Magnetic Compatibility) protection: the serial ports power supply carries out DC/DC isolates, and the Signal Spacing of serial ports is used the 2500V electromagnetic isolation, and Ethernet uses special electromagnetic isolating transformer (1500V isolation).The lightning protection circuit of serial interface and Ethernet interface is designed to the secondary lightning protection: first class of protection adopts gas discharge tube, and second class protection adopts the TVS pipe to realize.Improve reliability, stability and the antijamming capability of system greatly, to adapt to various abominable running environment.
During networking, separate unit or many serial equipments become bus to hang over certain serial ports of the present utility model, this serial ports can be associated with on certain port of network interface by configuration.When network interface is operated in server mode, when background system will be recruited certain serial equipment of survey, just setting up Socket to the equipment corresponding port connects, issue data then, the data forwarding that the utility model will be received this network port is to corresponding serial ports, and after this serial equipment was corresponding, the data forwarding with this serial equipment response arrived the corresponding network port again, use for background system, so just finish whole communication process.According to the physical location at scene, the situation of data volume becomes multiple bus to be articulated on the serial ports of the present utility model many serial equipments, so just can satisfy a large amount of serial equipment networking requirements.
Claims (7)
1, a kind of many serial ports Dual-Ethernet networked server, it is characterized in that: described networked server comprises power-supply system, minimum system, Ethernet interface, serial interface and the indicating module of communicating by letter; Described power-supply system connects described minimum system, Ethernet interface, serial interface and the indicating module of communicating by letter respectively; Described minimum system is connected with the communication indicating module, and connects Ethernet interface and serial interface by the electromagnetic isolation chip respectively.
2, many serial ports Dual-Ethernet networked server according to claim 1, it is characterized in that, described minimum system adopts 32 PowerPC processors, and described processor has SDRAM and program FLASH, BOOT FLASH, and real time operating system adopts VxWorks.
3, many serial ports Dual-Ethernet networked server according to claim 1 is characterized in that, described Ethernet interface comprises a 10/100M self adaptation network interface, a 10M network interface.
4, many serial ports Dual-Ethernet networked server according to claim 1, it is characterized in that, described serial interface comprises basic serial ports and expansion serial ports, wherein basic serial ports has 4 the tunnel, described 4 these serial ports of roadbed have the MUX logical circuit, and 4 these serial ports of roadbed can be RS232 or RS485 mode by software arrangements; Described expansion serial ports has 12 the tunnel, is the RS485 interface.
5, many serial ports Dual-Ethernet networked server according to claim 1 is characterized in that, described communication indicating module comprises respectively the transmitting-receiving LED light that is connected with Ethernet interface with every road serial interface.
6, many serial ports Dual-Ethernet networked server according to claim 1 is characterized in that, described Ethernet interface and serial interface also are connected with lightning protection circuit respectively.
7, many serial ports Dual-Ethernet networked server according to claim 1 is characterized in that described power-supply system connects described Ethernet interface and serial interface by DC/DC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920038563U CN201374722Y (en) | 2009-01-06 | 2009-01-06 | Multi-serial port dual-Ethernet networked server |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920038563U CN201374722Y (en) | 2009-01-06 | 2009-01-06 | Multi-serial port dual-Ethernet networked server |
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| Publication Number | Publication Date |
|---|---|
| CN201374722Y true CN201374722Y (en) | 2009-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200920038563U Expired - Fee Related CN201374722Y (en) | 2009-01-06 | 2009-01-06 | Multi-serial port dual-Ethernet networked server |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707696A (en) * | 2012-06-11 | 2012-10-03 | 中国舰船研究设计中心 | Multi-serial-port data transmission method and transmission center system |
| CN104699649A (en) * | 2015-03-16 | 2015-06-10 | 中煤科工集团上海研究院 | Multi-branch serial bus interface and data exchange method |
| CN111177036A (en) * | 2019-12-30 | 2020-05-19 | 上海亚太计算机信息系统有限公司 | Multi-type interface concentrator and application method thereof |
| CN114064544A (en) * | 2021-10-11 | 2022-02-18 | 青岛鼎信通讯股份有限公司 | Multi-serial port extension design method applied to converged terminal |
-
2009
- 2009-01-06 CN CN200920038563U patent/CN201374722Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707696A (en) * | 2012-06-11 | 2012-10-03 | 中国舰船研究设计中心 | Multi-serial-port data transmission method and transmission center system |
| CN104699649A (en) * | 2015-03-16 | 2015-06-10 | 中煤科工集团上海研究院 | Multi-branch serial bus interface and data exchange method |
| CN104699649B (en) * | 2015-03-16 | 2018-10-30 | 中煤科工集团上海研究院 | A kind of multiple-limb serial bus interface and method for interchanging data |
| CN111177036A (en) * | 2019-12-30 | 2020-05-19 | 上海亚太计算机信息系统有限公司 | Multi-type interface concentrator and application method thereof |
| CN114064544A (en) * | 2021-10-11 | 2022-02-18 | 青岛鼎信通讯股份有限公司 | Multi-serial port extension design method applied to converged terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091230 Termination date: 20170106 |