CN203368486U - Single fiber one-way data transmission device - Google Patents
Single fiber one-way data transmission device Download PDFInfo
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- CN203368486U CN203368486U CN 201320480103 CN201320480103U CN203368486U CN 203368486 U CN203368486 U CN 203368486U CN 201320480103 CN201320480103 CN 201320480103 CN 201320480103 U CN201320480103 U CN 201320480103U CN 203368486 U CN203368486 U CN 203368486U
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- network interface
- interface card
- optical fiber
- mouth
- single fiber
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Abstract
The utility model relates to a data transmission device, and discloses a single fiber one-way data transmission device which comprises a network card. The network card comprises a board card (1) and an optical fiber module (3); the optical fiber module (3) is arranged on the board card (1); and the optical fiber module (3) includes a light receiving signal port (31) and a signal transmitting port (32). The single fiber one-way data transmission device is provided with the optical fiber module which is provided with the light receiving signal port and the signal transmitting port; the one-way or two-way data transmission can be carried out according to needs; and the advantages such as the faster transmission speed and transmission efficiency and capability of effectively preventing the network attacks are realized.
Description
Technical field
The utility model relates to data transmission set, has related in particular to a kind of single fiber data unidirectional transmission equipment.Background technology
At present, between existing network data equipment, mainly by netting twine, realize the transmission of data, its transmission speed is slow, and efficiency of transmission is low, and the transmission of its data is all transmitted in both directions, make the easy network attack of whole network, as TCP, system vulnerability, DOS/DDOS etc.
Summary of the invention
The utility model is low for data transmission set data transmission efficiency in prior art, speed is slow, and can only carry out the shortcomings such as data double-way transmission, provide a kind of by being provided with the optic module of receiving the light signal mouth and signaling mouth, can carry out as required the unidirectional or transmitted in both directions of data, there is faster transmission speed and efficiency of transmission simultaneously, can effectively stop network attack, prevent unknown attack, with hardware mode protection Intranet, make the outer net system to be attacked Intranet by network, as TCP, system vulnerability, the single fiber data unidirectional transmission equipment of DOS/DDOS etc.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:
Single fiber data unidirectional transmission equipment, comprise network interface card, and described network interface card comprises board and optic module, and optic module is arranged on board, and optic module comprises that one is received light signal mouth and the mouth that signals.
As preferably, described board is provided with support, and optic module is arranged between support and board.
As preferably, described single fiber data unidirectional transmission equipment also comprises simple optical fiber, and simple optical fiber comprises fiber connector, fiber connector with receive the light signal mouth or mouthful plug of signaling is connected.
As preferably, described board is provided with processing module.
As preferably, described optic module is more than two and two.
As preferably, described network interface card is two or more than two, and network interface card comprises network interface card A and network interface card B, between network interface card A and network interface card B, by simple optical fiber, is connected.By optic module is set on network interface card, optic module comprises that one is received light signal mouth and a signalling mouthful, by simple optical fiber, selectively connects and receives light signal mouth and the mouth that signals, and on the physical transfer circuit, has realized one-way transmission.
As preferably, described simple optical fiber two ends connect respectively the receipts light signal mouth of network interface card A and the signalling mouth of network interface card B; Perhaps connect respectively the signalling mouth of network interface card A and the receipts light signal mouth of network interface card B.Realized the one-way safety data path on physics and the dual aspect of logic, opened for unidirectional the outer interior data channel that arrives is arranged, thoroughly guaranteed one-way on hardware and control logic.Therefore can stop network attack, prevent unknown attack, with hardware mode, protect Intranet.The outer net system can't be attacked Intranet by network, as all invalid to internal network as TCP, system vulnerability, DOS/DDOS etc.
And, under limiting case, by simple optical fiber, connecting, between two network interface cards, due to the one-way transmission of data, when the outer net system may be paralysed or be controlled by the hacker, its impact can not be diffused into Intranet, has ensured the safety of Intranet.
The utility model is owing to having adopted above technical scheme; have significant technique effect: the utility model is by being provided with the optic module of receiving the light signal mouth and signaling mouth; can carry out as required the unidirectional or transmitted in both directions of data; there is faster transmission speed and efficiency of transmission simultaneously; can effectively stop network attack, prevent unknown attack, with hardware mode, protect Intranet; make the outer net system to be attacked Intranet by network, as TCP, system vulnerability, DOS/DDOS.
The accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the structural representation of the utility model embodiment 2.
The toponym that in above accompanying drawing, each number designation refers to is as follows: wherein 1-board, 2-support, 3-optic module, 4-simple optical fiber, 11-processing module, 31-receive light signal mouth, 32-signalling mouth, 41-fiber connector.
Embodiment
Below in conjunction with accompanying drawing 1 to Fig. 2 and embodiment, the utility model is described in further detail:
Single fiber data unidirectional transmission equipment, as shown in Figure 1 to Figure 2, comprise network interface card, and described network interface card comprises board 1 and optic module 3, and optic module 3 is arranged on board 1, and optic module 3 comprises that one is received light signal mouth 31 and the mouth 32 that signals.Optic module 3 is connected with simple optical fiber 4.
Simple optical fiber 4 comprises fiber connector 41, and fiber connector 41 is connected with receipts light signal mouth 31 or mouthful 32 plugs of signaling.Board 1 is provided with processing module 11.Processing module 11 is provided with fan.By on processing module 11, fan being set, having the radiating effect that processing module 11 is provided.Optic module 3 can be one, also can be for a plurality of, and 3 two of optic modules and two are when above.Between a plurality of network interface cards, adopt single line to connect, guarantee the one-way transmission of data.As needs data Double wire transmission, only need to get final product between network interface card, by two simple optical fibers 4, connecting respectively two receipts light signal mouth 31 or mouths 32 that signal between network interface card.
The present embodiment be take the difference of embodiment 1 and is: network interface card is two, and network interface card comprises network interface card A and network interface card B, between network interface card A and network interface card B, by simple optical fiber 4, is connected.By optic module 3 is set on network interface card, optic module 3 comprises that one is received light signal mouth 31 and the mouth 32 that signals, and by selectable connection of simple optical fiber 4 receiving light signal mouth 31 and signalling mouth 32, on the physical transfer circuit, has realized one-way transmission.
Have an optic module on an optical fiber network interface card at least, each optic module has two mouths connection optical fiber cables, and a mouth is for receiving 31, one mouths of light signal mouth for the mouth 32 that signals.The mouth 32 that signals can only send data or light signal, receives light signal mouth 31 and can only receive data or light signal.
Simple optical fiber 4 two ends connect respectively the receipts light signal mouth of network interface card A and the signalling mouth of network interface card B; Perhaps connect respectively the signalling mouth of network interface card A and the receipts light signal mouth of network interface card B.Realized the one-way safety data path on physics and the dual aspect of logic, opened for unidirectional the outer interior data channel that arrives is arranged, thoroughly guaranteed one-way on hardware and control logic.Therefore can stop network attack, prevent unknown attack, with hardware mode, protect Intranet.The outer net system can't be attacked Intranet by network, as all invalid to internal network as TCP, system vulnerability, DOS/DDOS etc.
And, under limiting case, by simple optical fiber 4, connecting, between two network interface cards, due to the one-way transmission of data, when the outer net system may be paralysed or be controlled by the hacker, its impact can not be diffused into Intranet, has ensured the safety of Intranet.
In a word, the foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (7)
1. single fiber data unidirectional transmission equipment, comprise network interface card, it is characterized in that: described network interface card comprises board (1) and optic module (3), and it is upper that optic module (3) is arranged on board (1), and optic module (3) comprises that one is received light signal mouth (31) and one signal mouthful (32).
2. single fiber data unidirectional transmission equipment according to claim 1, it is characterized in that: described board (1) is provided with support (2), and optic module (3) is arranged between support (2) and board (1).
3. single fiber data unidirectional transmission equipment according to claim 1, it is characterized in that: also comprise simple optical fiber (4), simple optical fiber (4) comprises fiber connector (41), and fiber connector (41) is connected with receipts light signal mouth (31) or mouthful (32) plug of signaling.
4. single fiber data unidirectional transmission equipment according to claim 1, it is characterized in that: described board (1) is provided with processing module (11).
5. single fiber data unidirectional transmission equipment according to claim 1, it is characterized in that: described optic module (3) is more than two and two.
6. single fiber data unidirectional transmission equipment according to claim 3 is characterized in that: described network interface card is two or more than two, and network interface card comprises network interface card A and network interface card B, between network interface card A and network interface card B, by simple optical fiber (4), is connected.
7. single fiber data unidirectional transmission equipment according to claim 6, it is characterized in that: described simple optical fiber (4) two ends connect respectively the receipts light signal mouth of network interface card A and the signalling mouth of network interface card B; Perhaps connect respectively the signalling mouth of network interface card A and the receipts light signal mouth of network interface card B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320480103 CN203368486U (en) | 2013-08-07 | 2013-08-07 | Single fiber one-way data transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320480103 CN203368486U (en) | 2013-08-07 | 2013-08-07 | Single fiber one-way data transmission device |
Publications (1)
| Publication Number | Publication Date |
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| CN203368486U true CN203368486U (en) | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320480103 Expired - Lifetime CN203368486U (en) | 2013-08-07 | 2013-08-07 | Single fiber one-way data transmission device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103581774A (en) * | 2013-11-05 | 2014-02-12 | 神州数码网络(北京)有限公司 | Ethernet unidirectional transmission optical port, transmission method thereof and unidirectional transmission device |
| CN107634972A (en) * | 2017-10-31 | 2018-01-26 | 北京广利核系统工程有限公司 | The one-way communication system and board of nuclear power station security level system and non-security level system |
| CN113765582A (en) * | 2021-10-25 | 2021-12-07 | 江苏云涌电子科技股份有限公司 | System and method for realizing one-way transmission data of domestic-design redundant optical port |
| CN116112291A (en) * | 2023-04-11 | 2023-05-12 | 湖南博盛芯微电子科技有限公司 | Unidirectional transmission network card and control method thereof |
-
2013
- 2013-08-07 CN CN 201320480103 patent/CN203368486U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103581774A (en) * | 2013-11-05 | 2014-02-12 | 神州数码网络(北京)有限公司 | Ethernet unidirectional transmission optical port, transmission method thereof and unidirectional transmission device |
| CN107634972A (en) * | 2017-10-31 | 2018-01-26 | 北京广利核系统工程有限公司 | The one-way communication system and board of nuclear power station security level system and non-security level system |
| CN107634972B (en) * | 2017-10-31 | 2023-08-29 | 北京广利核系统工程有限公司 | Unidirectional communication system and board card of nuclear power station safety level system and non-safety level system |
| CN113765582A (en) * | 2021-10-25 | 2021-12-07 | 江苏云涌电子科技股份有限公司 | System and method for realizing one-way transmission data of domestic-design redundant optical port |
| CN116112291A (en) * | 2023-04-11 | 2023-05-12 | 湖南博盛芯微电子科技有限公司 | Unidirectional transmission network card and control method thereof |
| CN116112291B (en) * | 2023-04-11 | 2023-06-20 | 湖南博盛芯微电子科技有限公司 | Unidirectional transmission network card and control method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |
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| CX01 | Expiry of patent term |