CN202524433U - Data communication interface physically integrated with 100 Mbit Ethernet and serial port - Google Patents
Data communication interface physically integrated with 100 Mbit Ethernet and serial port Download PDFInfo
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- CN202524433U CN202524433U CN 201120498407 CN201120498407U CN202524433U CN 202524433 U CN202524433 U CN 202524433U CN 201120498407 CN201120498407 CN 201120498407 CN 201120498407 U CN201120498407 U CN 201120498407U CN 202524433 U CN202524433 U CN 202524433U
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Abstract
The utility model relates to a data communication interface physically integrated with 100 Mbit Ethernet and a serial port, comprising a special data communication interface circuit and a special debugging cable, wherein the special data communication interface circuit is completed by redefining 8 pins of an RJ45 100Mbit Ethernet network interface; the RJ45 100Mbit Ethernet network interface uses four wires for transmitting the data in practical, and the other four wires are backup wires; and the other four backup wires are used for serial port debugging. The data communication interface physically integrated with 100 Mbit Ethernet and a serial port is developed for simplifying the requirements for downloading embedded system products, updating the application programs and debugging the system state for the Ethernet interface, and for solving the insufficiency of the serial ports, thus making the data communication interface physical integration more brief and improving the production efficiency of the products and convenience for debugging.
Description
Technical field
The utility model relates to embedded system data and PC communicates and adjustment method and device, all embedded system products of debugging.
Background technology
Along with the electronic devices and components development of technology, embedded system and ethernet technology also develop rapidly, and the embedded ethernet system is widely used in the automated system of a lot of industries.The debugging of embedded system product not only depends on port; Also depend on the printing of AccessPort information and the input of debug command; And two debug port using can increase cost in the embedded system production; Increase the production complexity, be not good at, be easy to influence production efficiency of products if handle.
At present, embedded system production debugging, program commonly used are downloaded and the application program update mode:
The embedded system product needed provides RS-232 serial ports and 100 m ethernet respectively; PC uses grid line to be connected the embedded system product with serial port connecting wire; Through serial ports instrument input debug command, download through port, the completion program is downloaded, application program update;
More than this mode have certain shortcoming, along with the raising of embedded system product integrated level, provide serial ports, port to be specifically designed to that debugging, program are downloaded and application program update is not really suitable, increased integrated circuit board layout difficulty and cost; And two connecting line PCs and embedded system product are inconvenient.
The utility model content
The purpose of the utility model is: the method and apparatus that the data communication interface of a kind of 100 m ethernet and serial ports physics fusion is provided.
The solution of the utility model is: the data communication interface device that a kind of 100 m ethernet and serial ports physics merge; It is characterized in that: special-purpose debugging cable connects embedded system device and PC port, and special-purpose debugging cable main is a RJ45 100 m ethernet grid line:
1) described special-purpose debugging cable is accomplished through the definition again of 8 pins of RJ45 100 m ethernet network interface; RJ45 100 m ethernet network interface 4 lines of an actual practical application in 100,000,000 networks transmit data; 4 is the line of backup in addition, and other line of 4 backups is used for AccessPort; According to the form below connects, and wherein P1 representes 8 pins of special-purpose debug port interface circuit RJ45 100 m ethernet network interface of embedded system device, and P2 is 4 lines that PC holds the practical application of the 100000000 RJ45 definition of using, and P3 is a PC end DB9 terminal:
| P1-1 | TX+ | Tranceive Data+ (signalling+) | P2-1 |
| P1-2 | TX- | Tranceive Data-(signalling-) | P2-2 |
| P1-3 | RX+ | Receive Data+ (collect mail number+) | P2-3 |
| P1-4 | RS232 receives | PC Rxd (computer collect mail number) | P3-2 |
| P1-5 | RS232 sends out | PC Txd (computer signalling) | P3-3 |
| P1-6 | RX- | Receive Data-(collect mail number-) | P2-6 |
| P1-7 | RS232 ground | GND () | P3-5 |
| P1-8 | RS232 ground | GND () | P3-5 |
Table 2
2) described special-purpose debugging cable is through the transformation of RJ45 100 m ethernet grid line; One end of RJ45 100 m ethernet grid line is that general RJ45 100 m ethernet network interface is through quartzy pressure head crimping; RJ45 100 m ethernet grid line other end bifurcated is 4 lines and 4 lines that DB9 terminal AccessPort is used of the practical application of 100,000,000 RJ45 definition, and respectively through quartzy pressure head and the crimping respectively of DB9 terminal, make type.
The connector of said PC is 100,000,000 RJ45 Ethernet interfaces and RS-232 mouth (being DB9 serial port).
The RJ45 mouth that said special-purpose debug port is an embedded system device.
The utility model beneficial effect: adopt the utility model, not only improved production efficiency, also improved the debugging convenience, reduced the cost of product.
Description of drawings
Fig. 1 is a RJ45 100-M network Ethernet sketch map
" 1 " among Fig. 1 refers to the head end of RJ45 stitch order, and " 8 " refer to the end of RJ45 stitch order, and " Male " refers to the public head of RJ45 interface, and " Female " refers to female head of RJ45 interface.
Fig. 2 is debugging cable and preparation technology's sketch map
" 1 " among Fig. 2 refers to grey 8 core grid lines; " 2 " refer to the 8P8C crystal head, and " 3 " refer to the crystal head sheath of injection mo(u)lding, and " 4 " refer to the female head of D-SUB9P of injection mo(u)lding; " 5 " refer to the line protecting clip of injection mo(u)lding, and " 8 " refer to the #4 shaping screw; " P1 " refers to the RJ45 connector interface that connects embedded system device, and " P2 " refers to the RJ45 connector interface that connects PC, and " P3 " refers to the DB9 interface that connects PC; The corresponding relation 1.-8. of " P1 ", " P2 ", " P3 " is as shown in table 1.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further:
The embodiment of the utility model scheme is: the step through procedure realizes the making of special-purpose debugging cable, and its flow process is as shown in Figure 2.
The method of making the special-purpose debugging of the data communication interface cable of described mbit ethernet of the utility model and serial ports physics fusion is: an end of grey 8 core grid lines " 1 " is cut out line (be divided into two 4 heart yearns; Being respectively PC is DB9 serial port with 100,000,000 RJ45 Ethernet interfaces and RS-232 mouth), repair line; Two injection moulding cover upper jacket with grey 8 core grid lines " 1 "; " P1 " of grey 8 core grid lines " 1 ", " P2 " carefully connect the wire according to table 1 corresponding relation and put heat-shrinkable T bush, and " P1 ", " P2 " hold setting-out crystal-tipped " 2 " then, weldering DSUB and injection moulding DSUB " 3 "; Again " 5 " position ground wire is carried out three line welding; " P3 " carefully connects the wire according to table 1 corresponding relation and puts heat-shrinkable T bush, the female head of combinatorial injection molding moulding D-SUB9P " 4 " and shaping screw " 8 " then, injection mo(u)lding line protecting clip " 5 "; At the joint point glue of line protecting clip " 5 " and grey 8 core grid lines " 1 ", at last through test.
Claims (3)
1. the data communication interface device that merges of 100 m ethernet and serial ports physics, it is characterized in that: special-purpose debugging cable connects embedded system device and PC port, and it is special-purpose that to debug cable main be RJ45 100 m ethernet grid line:
1) described special-purpose debugging cable is accomplished through the definition again of 8 pins of RJ45 100 m ethernet network interface; RJ45 100 m ethernet network interface 4 lines of practical application in 100,000,000 networks transmit data; 4 is the line of backup in addition, and other line of 4 backups is used for AccessPort; According to the form below connects, and wherein P1 representes 8 pins of special-purpose debug port interface circuit RJ45 100 m ethernet network interface of embedded system device, and P2 is 4 lines that PC holds the practical application of the 100000000 RJ45 definition of using, and P3 is a PC end DB9 terminal:
2) described special-purpose debugging cable is through the transformation of RJ45 100 m ethernet grid line; One end of RJ45 100 m ethernet grid line is that RJ45 100 m ethernet network interface is through quartzy pressure head crimping; RJ45 100 m ethernet grid line other end bifurcated is 4 lines and 4 lines that DB9 terminal AccessPort is used of the practical application of 100,000,000 RJ45 definition, and respectively through quartzy pressure head and the crimping respectively of DB9 terminal, make type.
2. the data communication interface device that 100 m ethernet according to claim 1 and serial ports physics merge, the connector that it is characterized in that said PC is 100,000,000 RJ45 Ethernet interfaces and RS-232 mouth.
3. the data communication interface device that 100 m ethernet according to claim 1 and 2 and serial ports physics merge is characterized in that the RJ45 mouth that said special-purpose debug port is an embedded system device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120498407 CN202524433U (en) | 2011-12-03 | 2011-12-03 | Data communication interface physically integrated with 100 Mbit Ethernet and serial port |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120498407 CN202524433U (en) | 2011-12-03 | 2011-12-03 | Data communication interface physically integrated with 100 Mbit Ethernet and serial port |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202524433U true CN202524433U (en) | 2012-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120498407 Expired - Lifetime CN202524433U (en) | 2011-12-03 | 2011-12-03 | Data communication interface physically integrated with 100 Mbit Ethernet and serial port |
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| CN (1) | CN202524433U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103491198A (en) * | 2013-09-16 | 2014-01-01 | 上海交通大学 | Ten billion Ethernet transmission system used for positron emission computer tomography |
| CN107357698A (en) * | 2017-07-07 | 2017-11-17 | 郑州云海信息技术有限公司 | A kind of method and device of acquisition BMC Serial Port Informations |
-
2011
- 2011-12-03 CN CN 201120498407 patent/CN202524433U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103491198A (en) * | 2013-09-16 | 2014-01-01 | 上海交通大学 | Ten billion Ethernet transmission system used for positron emission computer tomography |
| CN103491198B (en) * | 2013-09-16 | 2016-03-16 | 上海交通大学 | For ten thousand mbit ethernet transmission systems of Positron emission computed tomography |
| CN107357698A (en) * | 2017-07-07 | 2017-11-17 | 郑州云海信息技术有限公司 | A kind of method and device of acquisition BMC Serial Port Informations |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121107 |
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| CX01 | Expiry of patent term |