CN201623716U - Unidirectional transmission system with feedback function - Google Patents
Unidirectional transmission system with feedback function Download PDFInfo
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- CN201623716U CN201623716U CN2010201424431U CN201020142443U CN201623716U CN 201623716 U CN201623716 U CN 201623716U CN 2010201424431 U CN2010201424431 U CN 2010201424431U CN 201020142443 U CN201020142443 U CN 201020142443U CN 201623716 U CN201623716 U CN 201623716U
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- 230000008054 signal transmission Effects 0.000 claims abstract description 22
- 230000003287 optical effect Effects 0.000 claims abstract description 21
- 239000000835 fiber Substances 0.000 claims description 13
- 239000013307 optical fiber Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
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Abstract
The utility model discloses a unidirectional transmission system with a feedback function, comprising a transmitting terminal, a receiving terminal and a transmission line, wherein the transmitting terminal and the receiving terminal respectively comprise an optical transmitting module and an optical receiving module, the transmission line is an optical fiber line, and both ends of the optical fiber line are respectively connected with the external interface of the optical transmitting module and that of the optical receiving module; and a feedback signal transmission line is arranged between the transmitting terminal and the receiving terminal, started from the receiving terminal and ended at the transmitting terminal. The unidirectional transmission system with the feedback function can transmit data at a high speed from a non-secret-associated network to a secret-associated network in the premise that data of the secret-associated network is not lost, or transmits data at a high speed from the secret-associated network to the non-secret-associated network in the premise that the secret-associated network is not destroyed by the external hostile attack, and effectively ensures the reliability and the completeness of data transmission.
Description
Technical field
The utility model relates to the communication technology, relates in particular to a kind of unidirectional transmission system that is used for the transfer of data between classified network and the non-classified network.
Background technology
In the communications field, one realizes data between classified network and the non-classified network by gateway, though gateway has guaranteed the physical isolation of classified network and non-classified network in time and (can only or be connected with classified network in section sometime, be connected with non-classified network), but can't ensure the possibility that stops the data service reverse transfer on the stricti jurise, also can't ensure the real-time of one-way transmission business simultaneously.In view of more than, have or not the unidirectional transmission system of feedback to propose, the unidirectional transmission system of this nothing feedback has been isolated the possibility of business datum reverse transfer physically, has also ensured the real-time of one-way transmission business simultaneously.Yet, there is a serious problem in this unidirectional transmission system: because the irreversibility of transfer of data, smoothly whether the data that transmit leg can't be known its transmission the side's of being received reception, thereby, in unidirectional transmission system, reliability of data transmission and integrality are difficult to be guaranteed.Defective in view of the unidirectional transmission system that does not have feedback, the proposition of unidirectional transmission system of the nothing feedback of the type of instructing is also arranged, but the tutorial message of this method foundation is not to derive from the recipient, prerequisite must be that guiding physical device and the complete while that receives physical device are reliable, therefore, this method still can't ensure reliability of data transmission and integrality.
The utility model content
Technical problem to be solved in the utility model is: a kind of unidirectional transmission system with feedback is provided, this system can guarantee under the prerequisite that the classified network data does not leak, from non-classified network to the classified network high speed transmission data, perhaps guaranteeing under the prerequisite that classified network is not destroyed by malicious external attack, to non-classified network high speed transmission data, and the integrality and the reliability of transfer of data have effectively been guaranteed from classified network.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of unidirectional transmission system with feedback, include transmitting terminal, receiving terminal, transmission line, described transmitting terminal and receiving terminal include a light emission module and an Optical Receivers respectively, and described transmission line is a fibre circuit, and the two ends of this fibre circuit link to each other with external interface Optical Receivers with described light emission module respectively; Also be provided with a feedback signal transmission line between described transmitting terminal and receiving terminal, this feedback signal transmission line is from described receiving terminal, and ends at described transmitting terminal.
The beneficial effects of the utility model are: embodiment of the present utility model is by being provided with the feedback signal transmission line between the transmitting terminal of unidirectional transmission system and receiving terminal, and adopt optical fiber as the business data transmission circuit, thereby guaranteed to prevent that from non-classified network the classified network data from leaking under the situation of classified network high speed transmission data, perhaps do not destroyed, and effectively guaranteed the integrality and the reliability of transfer of data by malicious external attack from classified network classified network under the situation of non-classified network high speed transmission data.
Below in conjunction with accompanying drawing the utility model is described in further detail.
Description of drawings
Fig. 1 is the composition structure chart of unidirectional transmission system first embodiment of the band feedback that provides of the utility model.
Fig. 2 is the wiring schematic diagram of light emission module and Optical Receivers among embodiment of unidirectional transmission system of the band feedback that provides of the utility model.
Fig. 3 is the composition structure chart of unidirectional transmission system second embodiment of the band feedback that provides of the utility model.
Fig. 4 is the composition structure chart of unidirectional transmission system the 3rd embodiment of the band feedback that provides of the utility model.
Embodiment
Describe an embodiment of the unidirectional transmission system of the band feedback that the utility model provides in detail below with reference to Fig. 1 and Fig. 2; As shown in Figure 1, present embodiment mainly includes transmitting terminal 1, receiving terminal 2, transmission line 3, wherein, described transmitting terminal 1 and receiving terminal 2 include a light emission module 11 and an Optical Receivers 12 respectively, described transmission line 3 then is a fibre circuit, and the two ends of this fibre circuit 3 link to each other with the external interface with Optical Receivers 21 of described light emission module 11 respectively; During specific implementation, described transmitting terminal and receiving terminal can be respectively main frame or embedded device.
In addition, between described transmitting terminal 1 and receiving terminal 2, also be provided with a feedback signal transmission line 4, this feedback signal transmission line 4 is from described receiving terminal 1, and end at described transmitting terminal 2, after receiving terminal 2 receives data from transmitting terminal 1, returning unit length by this feedback signal transmission line 4 to transmitting terminal 1 is the feedback signal that is not more than four bits, the feedback data receiving status information, after sending data as transmitting terminal 1, do not receive feedback signal, represent that then this secondary data sends failure, need resend, thereby effectively guaranteed the integrality and the reliability of transfer of data.
During specific implementation, as shown in Figure 2, described light emission module 11 and Optical Receivers 21 include TX+ respectively, RX+, TX-, four interfaces of RX-, wherein, the TX+ of described light emission module 11 inside links to each other with the RX+ interface, TX-links to each other with the RX-interface, the outside RX interface of described light emission module 11 (comprises RX+, RX-) and the outside TX interface of Optical Receivers 21 (comprise TX+, TX-) all unsettled, and being connected respectively to the outside TX interface of light emission module 11, the two ends of described fibre circuit 3 (comprise TX+, TX-) and the outside RX interface of Optical Receivers 21 (comprise RX+, RX-).
In addition, described receiving terminal 2 also is provided with a feedback signal sending module 22, described transmitting terminal 1 also is provided with a feedback signal receiver module 12, and the two ends of described feedback signal transmission line 4 then are connected respectively to described feedback signal sending module 22 and feedback signal receiver module 12.
During specific implementation, described feedback signal sending module 22 and feedback signal receiver module 12 can be the parallel port or the embedded devices of common computer, and, feedback signal sending module 22 and feedback signal receiver module 12 are externally hidden, have eliminated the possibility of system business data back transmission.
Describe second embodiment of the unidirectional transmission system of the band feedback that the utility model provides in detail below with reference to Fig. 3; As shown in Figure 3, present embodiment mainly includes transmitting terminal 1, receiving terminal 2, transmission line 3, also is provided with a configuration end 5 between described transmitting terminal 1 and receiving terminal 2, this configuration end 5 and described transmitting terminal 1 and 2 unidirectional connections of difference of receiving terminal.Described transmitting terminal 1 and receiving terminal 2 include a light emission module 11 and an Optical Receivers 12 respectively, described transmission line 3 then is a fibre circuit, and the two ends of this fibre circuit 3 link to each other with the external interface with Optical Receivers 21 of described light emission module 11 respectively; In addition, also be provided with feedback signal transmission line 4 between described transmitting terminal 1 and receiving terminal 2, this feedback signal transmission line 4 is from described receiving terminal 1, and ends at described transmitting terminal 2.
The core of present embodiment is, configuration is held 5 as an independent physical entity, thereby make configuration information independent, and must locally dispose, and fail safe is greatly improved.
During specific implementation, configuration end 5 is provided with a transmitting terminal configuration signal transmitting element 51 and a receiving terminal configuration signal transmitting element 52, and be provided with transmitting terminal configuration signal receiving element 13 at described transmitting terminal 1, receiving terminal 2 is provided with receiving terminal configuration signal receiving element 23, described transmitting terminal configuration signal transmitting element 51 and described transmitting terminal signal receiving unit 13 be unidirectional to be connected, described receiving terminal configuration signal transmitting element 52 and described 23 unidirectional connections of receiving terminal configuration signal receiving element.
In addition, also be provided with the first feedback data signal transmitting module 24 on the described receiving terminal 2, described transmitting terminal 1 also is provided with the first feedback data signal receiving module, 14, the first feedback data signal transmitting module 24 and directly links to each other by feedback signal transmission line 4 with the first feedback data signal receiving module 14.
In addition, also be provided with on the described receiving terminal 2 also to be provided with on the first feedback configuration signal transmitting module 25, the described transmitting terminal 1 and then be provided with in the middle of the first feedback configuration signal sending module 54 in the middle of the receiver module 53 and the first feedback configuration signal on the first feedback configuration signal receiving module, the 15 described configuration ends 5, link to each other with the described first feedback configuration signal receiving module 15 with the described first feedback configuration signal transmitting module 25 respectively.
The business datum of present embodiment adopts fibre circuit 3 transmission, and its transmission plan is identical with previous embodiment, repeats no more.
Describe the 3rd embodiment of the unidirectional transmission system of the band feedback that present embodiment provides in detail below with reference to Fig. 4; As shown in Figure 4, present embodiment mainly includes transmitting terminal 1, receiving terminal 2, transmission line 3, also is provided with a configuration end 5 between described transmitting terminal 1 and receiving terminal 2, this configuration end 5 and described transmitting terminal 1 and 2 unidirectional connections of difference of receiving terminal.Described transmitting terminal 1 and receiving terminal 2 include a light emission module 11 and an Optical Receivers 12 respectively, described transmission line 3 then is a fibre circuit, and the two ends of this fibre circuit 3 link to each other with the external interface with Optical Receivers 21 of described light emission module 11 respectively; The core of present embodiment is, configuration is held 5 as an independent physical entity, thereby make configuration information independent, and must locally dispose, and fail safe is greatly improved.
During specific implementation, configuration end 5 is provided with a transmitting terminal configuration signal transmitting element 51 and a receiving terminal configuration signal transmitting element 52, and be provided with transmitting terminal configuration signal receiving element 13 at described transmitting terminal 1, receiving terminal 2 is provided with receiving terminal configuration signal receiving element 23, described transmitting terminal configuration signal transmitting element 51 and described transmitting terminal signal receiving unit 13 be unidirectional to be connected, described receiving terminal configuration signal transmitting element 52 and described 23 unidirectional connections of receiving terminal configuration signal receiving element.
In addition, also be provided with the second feedback data signal transmitting module 26 and the second feedback configuration signal transmitting module 27 on the described receiving terminal 2; Also be provided with the second feedback configuration signal receiving module 16 on the described transmitting terminal 1; Then be provided with receiver module 55 in the middle of the second feedback data signal on the described configuration end 5, it links to each other by feedback signal transmission line 4 with the described second feedback data signal transmitting module 26, and second receiver module 56 in the middle of the feedback configuration signal, it links to each other by feedback signal transmission line 4 with the described second feedback configuration signal transmitting module 27, and second feedback configuration signal centre sending module 57, it links to each other by feedback signal transmission line 4 with the described second feedback configuration signal receiving module 16.
Present embodiment and previous embodiment are basic identical, and its difference only is the feedback data signal also by the transfer of configuration end.
The utility model can guarantee under the prerequisite that the classified network data does not leak, from non-classified network to the classified network high speed transmission data, perhaps guaranteeing under the prerequisite that classified network is not destroyed by malicious external attack, to non-classified network high speed transmission data, and effectively guarantee the integrality and the reliability of transfer of data from classified network.
The above is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also are considered as protection range of the present utility model.
Claims (8)
1. unidirectional transmission system with feedback, include transmitting terminal, receiving terminal, transmission line, it is characterized in that: described transmitting terminal and receiving terminal include a light emission module and an Optical Receivers respectively, and described transmission line is a fibre circuit, and the two ends of this fibre circuit link to each other with external interface Optical Receivers with described light emission module respectively; Also be provided with the feedback signal transmission line between described transmitting terminal and receiving terminal, this feedback signal transmission line is from described receiving terminal, and ends at described transmitting terminal.
2. the unidirectional transmission system of band feedback as claimed in claim 1, it is characterized in that: described light emission module and Optical Receivers include TX+, RX+, four interfaces of TX-, RX-respectively, wherein, the TX+ of described light emission module inside links to each other with the RX+ interface, TX-links to each other with the RX-interface, the outside TX interface of the outside RX interface of described light emission module and Optical Receivers is all unsettled, and the two ends of described fibre circuit are connected respectively to the outside TX interface of described light emission module and the outside RX interface of Optical Receivers.
3. the unidirectional transmission system of band feedback as claimed in claim 1 or 2, it is characterized in that: described receiving terminal also is provided with a feedback signal sending module, described transmitting terminal also is provided with a feedback signal receiver module, and the two ends of described feedback signal transmission line then are connected respectively to described feedback signal sending module and feedback signal receiver module.
4. the unidirectional transmission system of band feedback as claimed in claim 3, it is characterized in that: described feedback signal sending module and feedback signal receiver module are the parallel port or the embedded device of computer.
5. the unidirectional transmission system of band feedback as claimed in claim 1, it is characterized in that: between described transmitting terminal and receiving terminal, also be provided with a configuration end, this configuration end and described transmitting terminal and receiving terminal unidirectional connection of difference, and described feedback signal transmission line is from described receiving terminal, be connected to described configuration end, and be connected to described transmitting terminal from described configuration end.
6. the unidirectional transmission system of band feedback as claimed in claim 5, it is characterized in that, described configuration end is provided with a transmitting terminal configuration signal transmitting element and a receiving terminal configuration signal transmitting element, and be provided with transmitting terminal configuration signal receiving element at described transmitting terminal, receiving terminal is provided with receiving terminal configuration signal receiving element, described transmitting terminal configuration signal transmitting element and described transmitting terminal signal receiving unit be unidirectional to be connected, described receiving terminal configuration signal transmitting element and described unidirectional connection of receiving terminal configuration signal receiving element.
7. the unidirectional transmission system of band feedback as claimed in claim 6 is characterized in that:
Described receiving terminal also is provided with the first feedback data signal transmitting module, described transmitting terminal also is provided with the first feedback data signal receiving module, links to each other by described feedback signal transmission line between the described first feedback data signal transmitting module and the first described feedback data signal receiving module;
Described receiving terminal also is provided with the first feedback configuration signal transmitting module, described transmitting terminal also is provided with the described configuration end of the first feedback configuration signal receiving module and then is provided with middle receiver module of the first feedback configuration signal and the middle sending module of the first feedback configuration signal, links to each other with the described first feedback configuration signal receiving module with the described first feedback configuration signal transmitting module respectively.
8. the unidirectional transmission system of band feedback as claimed in claim 6 is characterized in that:
Described receiving terminal also is provided with the second feedback data signal transmitting module and the second feedback configuration signal transmitting module;
Described transmitting terminal also is provided with the second feedback configuration signal receiving module;
Described configuration end then is provided with the middle receiver module of the second feedback data signal, it links to each other by the feedback signal transmission line with the described second feedback data signal transmitting module, and second receiver module in the middle of the feedback configuration signal, it links to each other by the feedback signal transmission line with the described second feedback configuration signal transmitting module, and second feedback configuration signal centre sending module, it links to each other by the feedback signal transmission line with the described second feedback configuration signal receiving module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201424431U CN201623716U (en) | 2010-03-26 | 2010-03-26 | Unidirectional transmission system with feedback function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201424431U CN201623716U (en) | 2010-03-26 | 2010-03-26 | Unidirectional transmission system with feedback function |
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| CN201623716U true CN201623716U (en) | 2010-11-03 |
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| CN2010201424431U Expired - Lifetime CN201623716U (en) | 2010-03-26 | 2010-03-26 | Unidirectional transmission system with feedback function |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001698A (en) * | 2012-09-29 | 2013-03-27 | 吉视传媒股份有限公司 | Optical transmission system |
| WO2020009657A1 (en) * | 2018-07-02 | 2020-01-09 | St Electronics (Info-Security) Pte Ltd | A system for unidirectional data transfer |
| CN112787888A (en) * | 2021-01-16 | 2021-05-11 | 鸣飞伟业技术有限公司 | System based on non-feedback data one-way transmission sharing switching technology |
| CN113128971A (en) * | 2021-04-27 | 2021-07-16 | 广东电网有限责任公司 | Intelligent substation outlet return-check verification method, device, equipment and medium based on universal configuration |
| CN114760122A (en) * | 2022-04-07 | 2022-07-15 | 珠海市鸿瑞信息技术股份有限公司 | UDP (user Datagram protocol) one-way transmission method based on hardware return-free channel |
-
2010
- 2010-03-26 CN CN2010201424431U patent/CN201623716U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001698A (en) * | 2012-09-29 | 2013-03-27 | 吉视传媒股份有限公司 | Optical transmission system |
| CN103001698B (en) * | 2012-09-29 | 2018-02-13 | 北京吉视汇通科技有限责任公司 | Optical transmission system |
| WO2020009657A1 (en) * | 2018-07-02 | 2020-01-09 | St Electronics (Info-Security) Pte Ltd | A system for unidirectional data transfer |
| CN112787888A (en) * | 2021-01-16 | 2021-05-11 | 鸣飞伟业技术有限公司 | System based on non-feedback data one-way transmission sharing switching technology |
| CN113128971A (en) * | 2021-04-27 | 2021-07-16 | 广东电网有限责任公司 | Intelligent substation outlet return-check verification method, device, equipment and medium based on universal configuration |
| CN113128971B (en) * | 2021-04-27 | 2023-02-21 | 广东电网有限责任公司 | Intelligent substation outlet return verification method, device, equipment and medium based on universal configuration |
| CN114760122A (en) * | 2022-04-07 | 2022-07-15 | 珠海市鸿瑞信息技术股份有限公司 | UDP (user Datagram protocol) one-way transmission method based on hardware return-free channel |
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