CN207232946U - A kind of novel multi-interface multiplexer based on RJ45 - Google Patents
A kind of novel multi-interface multiplexer based on RJ45 Download PDFInfo
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- CN207232946U CN207232946U CN201720485465.XU CN201720485465U CN207232946U CN 207232946 U CN207232946 U CN 207232946U CN 201720485465 U CN201720485465 U CN 201720485465U CN 207232946 U CN207232946 U CN 207232946U
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- module
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- ethernet
- selection circuit
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Abstract
The utility model discloses a kind of novel multi-interface multiplexer based on RJ45, it includes：Embedded main control chip module：For running the application layer software based on TCP, equipped with mii interfaces；Serial ports Ethernet transparent transmission chip module：For ethernet signal and serial line interface to be changed, connecting valve one；Switch one：Control the power supply of serial ports Ethernet transparent transmission chip module；Ethernet PHY chip module：Realize the level conversion of mii output signals and export level to RJ45 interface modules；232 electrical level transferring chip modules：For asynchronous serial signal to be converted into RS232 level by Transistor-Transistor Logic level；Selection circuit module：For logic selection circuit, equipped with switch two；Switch two：For control selections circuit module；RJ45 interface modules：It is used for realization the output of multi-signal interface.The utility model realizes the multiplexing of multiple interfaces by being multiplexed an interface, simplifies O＆M wire means, facilitates operation maintenance personnel work, improves work efficiency；And interface is convenient, flexible, saves space.
Description
Technical field
It the utility model is related to electronic design art, more particularly to a kind of novel multi-interface multiplexing dress based on RJ45
Put.
Background technology
Informationization technology development at present is swift and violent, and the modern life be unable to do without informationization technology, and information-based structure is by big
The Informationization Equipments such as the server of amount, interchanger, router composition.Equipment relates generally to two class interfaces：One kind is working interface,
It is in the majority with Ethernet interface；Another kind of is the management interface of equipment in itself, in the majority with Ethernet interface and RS232 interface.
System operation maintenance personnel is for maintenance system and equipment, it usually needs carry multiple interfaces line and interface arrangement, such as with
Too cable, USB turn 232 devices, and USB turns TTL devices, and DB9 turns RJ45 Serial Port Lines, direct-connected line, cross spider etc..Since difference connects
Mouth standard（Including line sequence, level, logic, appearance etc.）Difference, operation maintenance personnel needs the interface line and interface arrangement that operate
Difference, therefore bring great burden to operation maintenance personnel.
The content of the invention
In order to solve the problems of the prior art, the purpose of this utility model is to provide a kind of new based on RJ45 and connects more
Mouth multiplexer, it realizes the multiplexing of multiple interfaces, greatly simplify all kinds of O＆M wire means, facilitates operation maintenance personnel work
Make, improve work efficiency；And the interface of various kinds of equipment is convenient, flexible, saves space.
To achieve these goals, the technical solution adopted in the utility model is：
The utility model provides a kind of novel multi-interface multiplexer based on RJ45, it includes embedded main control chip
Module, serial ports Ethernet transparent transmission chip module, switch one, Ethernet PHY chip module, 232 electrical level transferring chip modules, selection
Circuit module, switch two, RJ45 interface modules, wherein,
Embedded main control chip module：For running the application layer software based on TCP, the embedded main control chip module
On the one hand Ethernet PHY chip module, the opposing party can be connected by the mii interfaces of signal output by the mii interfaces by being equipped with
Face connects the serial ports Ethernet transparent transmission chip module with identical line sequence, and signal is exported to the two pieces of cores connected to it at the same time
Piece；
Serial ports Ethernet transparent transmission chip module：For ethernet signal and serial line interface to be changed, its chip internal is realized
ICP/IP protocol stack, mii interface and the Ethernet PHY chip mould of its input terminal with the embedded main control chip module
Block is connected, its output terminal is connected with 232 electrical level transferring chip modules and selection circuit module, is additionally provided with switch one thereon；
Switch one：It is connected with the power supply of the serial ports Ethernet transparent transmission chip module, for controlling serial ports Ethernet transparent transmission
The work of chip module；
Ethernet PHY chip module：One end is connected with the mii interfaces of embedded main control chip module, the other end and RJ45
Interface module is connected, and is used for realization the level conversion of mii output signals, and transformed level is exported to RJ45 interface moulds
Block；
232 electrical level transferring chip modules：One end is connected with serial ports Ethernet transparent transmission chip module, the other end and selection circuit
Module is connected, for the asynchronous serial signal that serial ports Ethernet transparent transmission chip module exports to be converted into RS232 electricity by Transistor-Transistor Logic level
It is flat；
Selection circuit module：It is a logic selection circuit, and described selection circuit module one end and serial ports Ethernet are saturating
Pass chip module and 232 electrical level transferring chip modules are connected, the other end is connected with RJ45 interface modules, the selection circuit module
Switch two is equipped with, the selection circuit module passes through circuit output needed for the selection of switch two；
Switch two：It is connected with selection circuit module, for control selections circuit module；
RJ45 interface modules：The output of multi-signal interface is used for realization, itself and selection circuit module and ethernet PHY core
Piece module is connected.
Preferable scheme, the switch one are realized by controlling the power switch of serial ports Ethernet transparent transmission chip module
The input signal of serial ports Ethernet transparent transmission chip module and the 232 chosen circuit modules of electrical level transferring chip module controls.
Further preferred scheme, the TCP application software of the embedded main control chip module can with the serial ports with
The protocol stack of too net transparent transmission chip module establishes TCP connections, and TCP carryings data are exported in a manner of Asynchronous Serial Interface.
Scheme still more preferably, the selection circuit module contain two selections, it is saturating to refer respectively to serial ports Ethernet
Pass the Transistor-Transistor Logic level asynchronous serial signal of chip module output, and the RS232 signals after 232 electrical level transferring chip modules.
Scheme still further preferably, the mii of the multi-signal interface including the embedded main control chip module with
Too net signal, the asynchronous serial Transistor-Transistor Logic level signal of serial ports Ethernet transparent transmission chip module, 232 electrical level transferring chip modules it is different
Walk serial RS232 level signals.
The Ethernet PHY chip module and selection circuit module are connected to the individual pin of RJ45 interface modules
On.
By using above technical scheme, a kind of novel multi-interface multiplexer based on RJ45 of the utility model with it is existing
Technology is compared, and its advantage is：
1st, the utility model discloses a kind of new equipment of the multiplex roles multiplexing based on RJ45, by being multiplexed an interface, and
There is provided controlling switch, you can realize the multiplexing of multiple interfaces, greatly simplify all kinds of O＆M wire means, on the one hand facilitate fortune
Person works are tieed up, are improved work efficiency；On the other hand the Interface design for various kinds of equipment provides a kind of convenient, flexible, saving sky
Between design method theory.
2nd, on the one hand the utility model has concentrated the multiplexing of multi-signal to export, on the other hand passes through the control serial ports of switch one
The mode of Ethernet transparent transmission chip module power supply realizes that signal switches, and compared to signal selecting circuit, the utility model has more
High reliability.
3rd, the utility model is equipped with selection circuit module, and varying level signal can be conveniently realized by selection circuit
Output.
4th, the utility model is by controlling switch one, i.e., by controlling serial ports Ethernet to turn the working power of chip module thoroughly
Mode, realizes the switching that Ethernet turns Asynchronous Serial Interface function, will not reduce differential lines signal quality, system and device
Reliability is unaffected.
5th, since RJ45 interface modules are exported for Ethernet PHY chip module and selection circuit module and non-interconnected, and
The different pin of connection, in practical application, Ethernet differential signal in RJ45 interface modules can't again with rear end equipment
The connection of any pin, therefore even if when asynchronous serial port signal and Ethernet differential signal occur jointly in RJ45 interface modules, still
The use of asynchronous serial port signal is not interfered with.
Brief description of the drawings
Fig. 1 is a kind of integral module schematic diagram of the novel multi-interface multiplexer based on RJ45 of the utility model.
Embodiment
To make the objectives, technical solutions and advantages of the present invention clearer, with reference to instantiation, to this
Utility model is further described.It should be understood that these descriptions are merely illustrative, and it is not intended to limit the utility model
Scope.In addition, in the following description, the description to known features and technology is eliminated, to avoid this practicality is unnecessarily obscured
New concept.
A kind of novel multi-interface multiplexer based on RJ45, as shown in Figure 1, including embedded main control chip module 101,
1 are switched, serial ports Ethernet transparent transmission chip module 103, switchs 2 104,105,232 level of Ethernet PHY chip module
Conversion chip module 106, selection circuit module 107, RJ45 interface modules 108.
The embedded main control chip module 101, for running the application layer software based on TCP, and passes through embedded master
The mii interfaces output of control chip, on the one hand which connects Ethernet PHY chip module 105, on the other hand identical
Line sequence connection serial ports Ethernet transparent transmission chip module 103, will export two chips of the signal at the same time to its connection.
The switch 1, the power supply of connection serial ports Ethernet transparent transmission chip module 103, for controlling the work of the chip
Make.1 are switched by controlling the power supply of serial ports Ethernet transparent transmission chip module 103 to power, realizes serial ports Ethernet transparent transmission
The 107 and 232 level conversion core of selection circuit module of chip module 103 and connection serial ports Ethernet transparent transmission chip module 103
The input signal control of piece module 106.Therefore switch 1 also just controls whether RJ45 interface modules 108 export serial interface
Message number.
The serial ports Ethernet transparent transmission chip module 103, refers to possess and realizes change ethernet signal and serial line interface
Chip, its chip internal realize ICP/IP protocol stack.The TCP application software of embedded main control chip module 101 can be with this
The protocol stack of chip establishes TCP connections, and TCP carryings data are exported in a manner of Asynchronous Serial Interface.
The switch 2 104, can be with control selections circuit mould by switch 2 104 for control selections circuit module 107
Output all the way in the input of 107 two paths of signals of block is to RJ45 interface modules 108.
The Ethernet PHY chip module 105, is used for realization the level conversion of mii output signals, and by transformed electricity
It is flat to export to RJ45 interface modules 108.
The 232 electrical level transferring chip module 106, it is asynchronous for serial ports Ethernet transparent transmission chip module 103 to be exported
Serial signal Transistor-Transistor Logic level is converted into RS232 level.
The selection circuit module 107, is a logic selection circuit, is exported by switching 2 104 selection circuits, circuit
Two selections of output refer respectively to the Transistor-Transistor Logic level asynchronous serial signal of the output of serial ports Ethernet transparent transmission chip module 103, and warp
Cross the RS232 signals after 232 electrical level transferring chip modules 106.
The RJ45 interface modules 108, by 107 signal of selection circuit module（Containing 3 pins）With Ethernet PHY chip mould
105 signal of block（4 pins）Be commonly connected to on the interface of RJ45 standards, so as to fulfill multi-signal interface eventually through
108 form of RJ45 interface modules exports.
Wherein, multi-signal interface, includes the mii ethernet signals of embedded main control chip module 101, serial ports Ethernet
The asynchronous serial Transistor-Transistor Logic level signal of transparent transmission chip module 103, the asynchronous serial RS232 electricity of 232 electrical level transferring chip modules 106
Ordinary mail number, and the controlling switch exported includes switch 1 and switch 2 104.
On the one hand the feature of the utility model has concentrated the multiplexing of multi-signal to export, on the other hand pass through switch 1
103 power mode of control serial ports Ethernet transparent transmission chip module realizes that signal switches, and has higher compared to signal selecting circuit
Reliability.
, can be with by selection circuit module 107 because the output that serial ports Ethernet turns chip module 103 thoroughly is low frequency signal
Conveniently realize the output of varying level signal.And the mii interfaces output of embedded main control chip module 101 belongs to more high frequency
Signal output, more high frequency differential signal carry out signal behavior switching, will greatly reduce differential lines signal quality, shadow
The reliability of acoustic system and device.And the utility model is dexterously by controlling serial ports Ethernet to turn the work of chip module 103 thoroughly
Make power mode, realize the switching that Ethernet turns Asynchronous Serial Interface function；And since RJ45 interface modules 108 are for ether
Net PHY chip module 105 and selection circuit module 107 export and non-interconnected, but connect different pins, are actually using
In, the Ethernet differential signal in RJ45 interface modules 108 can't be connected with any pin of rear end equipment again, so that even if
When asynchronous serial port signal and Ethernet differential signal occur jointly in RJ45 interface modules 108, asynchronous serial port letter is not still interfered with
Number use.
Above-mentioned embodiment is only exemplary, and is to preferably make skilled artisans appreciate that originally
Patent, it is impossible to be not understood as the limitation for including scope to this patent；As long as times made of spirit according to disclosed in this patent
How with change or modification, the scope that this patent includes is each fallen within.
Claims (5)
1. a kind of novel multi-interface multiplexer based on RJ45, it is characterised in that it includes embedded main control chip module, string
Mouth Ethernet transparent transmission chip module, switch one, Ethernet PHY chip module, 232 electrical level transferring chip modules, selection circuit mould
Block, switch two, RJ45 interface modules, wherein,
Embedded main control chip module：For running the application layer software based on TCP, set in the embedded main control chip module
Have can by the mii interfaces of signal output, by the mii interfaces on the one hand connection Ethernet PHY chip module, on the other hand with
Identical line sequence connects the serial ports Ethernet transparent transmission chip module, and signal is exported to the two chips connected to it at the same time；
Serial ports Ethernet transparent transmission chip module：For ethernet signal and serial line interface to be changed, its chip internal realizes
ICP/IP protocol stack, mii interface and the Ethernet PHY chip module of its input terminal with the embedded main control chip module
It is connected, its output terminal is connected with 232 electrical level transferring chip modules and selection circuit module, is additionally provided with switch one thereon；
Switch one：It is connected with the power supply of the serial ports Ethernet transparent transmission chip module, for controlling serial ports Ethernet transparent transmission chip
The work of module；
Ethernet PHY chip module：One end is connected with the mii interfaces of embedded main control chip module, the other end and RJ45 interfaces
Module is connected, and is used for realization the level conversion of mii output signals, and transformed level is exported to RJ45 interface modules；
232 electrical level transferring chip modules：One end is connected with serial ports Ethernet transparent transmission chip module, the other end and selection circuit module
It is connected, the asynchronous serial signal for serial ports Ethernet transparent transmission chip module to be exported is converted into RS232 level by Transistor-Transistor Logic level；
Selection circuit module：It is a logic selection circuit, described selection circuit module one end and serial ports Ethernet transparent transmission core
Piece module is connected with 232 electrical level transferring chip modules, and the other end is connected with RJ45 interface modules, is set in the selection circuit module
There is switch two, the selection circuit module passes through circuit output needed for the selection of switch two；
Switch two：It is connected with selection circuit module, for control selections circuit module；
RJ45 interface modules：The output of multi-signal interface is used for realization, itself and selection circuit module and Ethernet PHY chip mould
Block is connected.
A kind of 2. novel multi-interface multiplexer based on RJ45 according to claim 1, it is characterised in that the switch
One, by controlling the power switch of serial ports Ethernet transparent transmission chip module, realizes serial ports Ethernet transparent transmission chip module and 232
The input signal control of the chosen circuit module of electrical level transferring chip module.
A kind of 3. novel multi-interface multiplexer based on RJ45 according to claim 1, it is characterised in that the selection
Circuit module contains two selections, refers respectively to the Transistor-Transistor Logic level asynchronous serial signal of serial ports Ethernet transparent transmission chip module output,
With the RS232 signals after 232 electrical level transferring chip modules.
4. a kind of novel multi-interface multiplexer based on RJ45 according to claim 1, it is characterised in that described a variety of
The mii ethernet signals of signaling interface including the embedded main control chip module, serial ports Ethernet transparent transmission chip module it is different
Walk serial Transistor-Transistor Logic level signal, the asynchronous serial RS232 level signals of 232 electrical level transferring chip modules.
A kind of 5. novel multi-interface multiplexer based on RJ45 according to claim 1, it is characterised in that the ether
Net PHY chip module and selection circuit module are connected in the individual pin of RJ45 interface modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720485465.XU CN207232946U (en) | 2017-05-04 | 2017-05-04 | A kind of novel multi-interface multiplexer based on RJ45 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720485465.XU CN207232946U (en) | 2017-05-04 | 2017-05-04 | A kind of novel multi-interface multiplexer based on RJ45 |
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| Publication Number | Publication Date |
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| CN207232946U true CN207232946U (en) | 2018-04-13 |
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| CN201720485465.XU Expired - Fee Related CN207232946U (en) | 2017-05-04 | 2017-05-04 | A kind of novel multi-interface multiplexer based on RJ45 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109743257A (en) * | 2018-12-21 | 2019-05-10 | 安徽皖通邮电股份有限公司 | A kind of method of backplane interface SMI and UART multiplexing |
| US10362175B2 (en) | 2017-04-21 | 2019-07-23 | Wistron Corporation | Network telephone device, external connection card and communication method therefor |
-
2017
- 2017-05-04 CN CN201720485465.XU patent/CN207232946U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10362175B2 (en) | 2017-04-21 | 2019-07-23 | Wistron Corporation | Network telephone device, external connection card and communication method therefor |
| TWI701938B (en) * | 2017-04-21 | 2020-08-11 | 緯創資通股份有限公司 | Internet telephone device, external connection card and communication method therefor |
| CN109743257A (en) * | 2018-12-21 | 2019-05-10 | 安徽皖通邮电股份有限公司 | A kind of method of backplane interface SMI and UART multiplexing |
| CN109743257B (en) * | 2018-12-21 | 2020-10-30 | 安徽皖通邮电股份有限公司 | Method for multiplexing back board interface SMI and UART |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191025 Address after: 201313 Room 118, Building 20, No. 83 Lane 1-42, Hongxiang North Road, Wanxiang Town, Pudong New Area, Shanghai Patentee after: Hongji Technology (Shanghai) Co., Ltd Address before: 201401 No. 1243, room 1088, Fu Gang Road, Fengxian District, Shanghai Patentee before: Shanghai Xingge Electronic Technology Co., Ltd. |
|
| 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: 20180413 Termination date: 20210504 |