CN205427861U - Secure network printing device based on single fiber structure - Google Patents
Secure network printing device based on single fiber structure Download PDFInfo
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- CN205427861U CN205427861U CN201620219269.3U CN201620219269U CN205427861U CN 205427861 U CN205427861 U CN 205427861U CN 201620219269 U CN201620219269 U CN 201620219269U CN 205427861 U CN205427861 U CN 205427861U
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Abstract
The utility model relates to a secure network printing device based on single fiber structure installs central processing unit in the outside connecting device, central processing unit's signal input part installs a RJ45 interface, and a RJ45 interface is connected with user's network, last read only memory and the read/write memory of installing of central processing unit, central processing unit's signal output part installs the receipt terminal, the TX end of receiving the terminal is connected through the input of optic fibre with the spectrometer, and two outputs of spectrometer are connected with the RX end of receipt terminal and photoelectric converter's RX end respectively, photoelectric converter installs in the internal connection device, photoelectric converter's signal output part is connected with the 2nd RJ45 interface, the 2nd RJ45 interface connection to network printer. The utility model discloses a when user's network and network printer security isolation, user's network transmitted the print data to network printer, network printer can only be sent from external network by the uniaxially to data.
Description
Technical field
This utility model belongs to technical field of network security, particularly relates to a kind of secure network printing equipment based on single fiber structure.
Background technology
In recent years, along with network and the development of office automation, printer provides print service to have become as a kind of trend for the computer in network.Network printing is greatly improved asset utilization ratio, sharing characteristic due to Internet resources, also numerous safety problem is brought, the safety problem caused by the security breaches of network printing is the most increasingly severe, there is a permanent password leak in some printer apparatus as manufactured by Samsung, Dell, Hewlett-Packard, hacker can be got the configuration information of printer apparatus by this leak, be received all data from printer the most directly by the internal sensitive network of printer browsing.
According to the U.S.'s " computer crime is reported with safety survey " investigation statistics, the approach that data message is divulged a secret mainly has three kinds: Email is divulged a secret, mobile storage is divulged a secret, type information is divulged a secret.Wherein Email is divulged a secret and is moved storage and divulges a secret and be frequently encountered by routine duties, cause enough attention, corresponding safeguard procedures the most all can be taked for both the above approach of divulging a secret, but type information safety problem is seldom concerned, become a link the weakest in information safety system.The most how to solve the safety problem of network printing, be one challenging problem of comparison of current computer network safety filed.
The network printer great majority of main flow do not possess security function in the market, have some patents to propose different methods at present and solve the safety problem in network printing.
Patent " network secure printing system and Method of printing (patent No. 20101001:625.3) " is by intercepting and capturing the transmission that print data packet encryption ensures that print data can be safe on network; the ability of network printer attack resistance is improved by arranging fire wall in network printer front end; but the protective capability of fire wall is limited, as data drive type attack, the attack from internal, emerging attack and the attack etc. utilizing the leak of printer own to be carried out can not be defendd.
Patent " realizes the unidirectional printing device (patent No. 201120358712.2) of unidirectional data transmission between computer and printer " based on the unidirectional printing device of unidirectional data transmission between chip microcontroller computer and printer, guarantee the safety of printer, but the method is not suitable for network printing.
Summary of the invention
This utility model is seldom concerned for solving type information safety problem present in known technology, become a link the weakest in information safety system, the problem of easy leak data information and provide a kind of simple in construction, easy to install, improve the secure network printing equipment based on single fiber structure of work efficiency.
This utility model is adopted the technical scheme that by solving technical problem present in known technology: this secure network printing equipment based on single fiber structure includes: external connection device, interconnector, optical fiber, central processing unit, a RJ45 interface, read only memory, read-write memory, receiving terminal, beam splitter, optical-electrical converter, the 2nd RJ45 interface；
Being provided with central processing unit in external connection device, the signal input part of central processing unit is provided with a RJ45 interface, and a RJ45 interface is connected with user network；Being provided with read only memory and read-write memory on central processing unit, the signal output part of central processing unit is provided with receiving terminal；The TX end of receiving terminal is connected with the input of beam splitter by optical fiber, and two outfans of beam splitter are connected with the RX end of receiving terminal and the RX end of optical-electrical converter respectively；Optical-electrical converter is arranged in interconnector；The signal output part of optical-electrical converter connects has the 2nd RJ45 interface, the 2nd RJ45 interface to be connected to the network printer.
This utility model can also use following technical measures:
The outer wrap of described optical fiber has protective jacket.
On described central processing unit, cooling fan is installed.
This utility model has the advantage that and good effect is: will be connected by this secure network printing equipment based on single fiber structure between user network and the network printer, utilize the characteristic of optical fiber to complete the one-way transmission of data, achieve user network and network printer security isolation, user network by print data when the network printer transmits, data uniaxially can only be sent to the network printer from external network, and the network printer cannot return any information to external network, effectively prevent type information from leaking, prevent the attack utilizing the leak of printer own to be carried out simultaneously, improve the safety of network print system.This secure network printing equipment externally provides a RJ45 interface and the 2nd RJ45 interface, flexible and convenient to use, it is not necessary to revise existing network configuration.
Accompanying drawing explanation
Fig. 1 is the structural representation of the secure network printing equipment based on single fiber structure that this utility model embodiment provides；
In figure: 1, external connection device；2, interconnector；3, optical fiber；4, central processing unit；5, a RJ45 interface；6, read only memory；7, read-write memory；8, receiving terminal；9, beam splitter；10, optical-electrical converter；11, the 2nd RJ45 interface.
Detailed description of the invention
For summary of the invention of the present utility model, feature and effect can be further appreciated that, hereby enumerate following example, and it be as follows to coordinate accompanying drawing to describe in detail:
Refer to shown in Fig. 1: should include by secure network printing equipment based on single fiber structure: external connection device 1, interconnector 2, optical fiber 3, central processing unit the 4, the oneth RJ45 interface 5, read only memory 6, read-write memory 7, receiving terminal 8, beam splitter 9, optical-electrical converter the 10, the 2nd RJ45 interface 11；
Being provided with central processing unit 4 in external connection device 1, the signal input part of central processing unit 4 is provided with a RJ45 interface 5, and a RJ45 interface 5 is connected with user network；Being provided with read only memory 6 and read-write memory 7 on central processing unit 4, the signal output part of central processing unit 4 is provided with receiving terminal 8；The TX end of receiving terminal 8 is connected by the input of optical fiber 3 with beam splitter 9, and two outfans of beam splitter 9 are connected with the RX end of receiving terminal 8 and the RX end of optical-electrical converter 10 respectively；Optical-electrical converter 10 is arranged in interconnector 2；The signal output part of optical-electrical converter 10 connects has the 2nd RJ45 interface 11, the 2nd RJ45 interface 11 to be connected to the network printer.
The outer wrap of described optical fiber 3 has protective jacket.
On described central processing unit 4, cooling fan is installed.
External connection device 1, when computer is connected to the network printer by network, is connected with the network of secure network printing equipment peripheral attachment means 1 for processing computer, makes computer think and be connected correctly to the network printer；Computer is passed through optical fiber 3 channel transfer to interconnector 2 by the print data that network is sent.Interconnector 2, when computer is connected to the network printer by network, is connected with the network of the network printer for processing interconnector 2 in secure network printing equipment, makes printer think the most correctly and connect network；And the print data that external connection device 1 sends is transmitted to printer carries out normal printout.
Being connected passing through between user network with the network printer based on optical fiber 3, wherein a RJ45 interface 5 is linked into user network, and the 2nd RJ45 interface 11 is connected to the network printer.First external connection device 1 provides virtual network print service to user, when using first, the external connection device 1 of secure network printing equipment will replace the print request of network printer response computer, make secure network printing equipment can be suitable for various printer flexibly, the driver of compatible original printer, free drive is dynamic to be safeguarded.Computer is connected to secure network printing equipment by network, the print data of computer is sent to a RJ45 interface 5 of secure network printing equipment by network, the data of reception are given central processing unit 4 and are processed by the oneth RJ45 interface 5, central processing unit 4 is sent to interconnector 2 by optical fiber after reception print data being processed, interconnector 2 sends data to the network printer by the 2nd RJ45 interface 11 by opto-electronic conversion after receiving data, and data-printing is exported by the network printer.
Utilize the characteristic of optical one-way transmission, achieve user network and network printer security isolation, user network by print data when the network printer transmits, data uniaxially can only be sent to the network printer from user network, and the network printer cannot return any information to external network, effectively prevent type information from leaking, prevent the attack utilizing the leak of the network printer own to be carried out simultaneously, improve the safety of network print system.
The above is only to preferred embodiment of the present utility model, not this utility model is made any pro forma restriction, every according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent variations and modification, belong in the range of technical solutions of the utility model.
Claims (3)
1. a secure network printing equipment based on single fiber structure, it is characterized in that, should include by secure network printing equipment based on single fiber structure: external connection device, interconnector, optical fiber, central processing unit, a RJ45 interface, read only memory, read-write memory, receiving terminal, beam splitter, optical-electrical converter, the 2nd RJ45 interface；
Being provided with central processing unit in external connection device, the signal input part of central processing unit is provided with a RJ45 interface, and a RJ45 interface is connected with user network；Being provided with read only memory and read-write memory on central processing unit, the signal output part of central processing unit is provided with receiving terminal；The TX end of receiving terminal is connected with the input of beam splitter by optical fiber, and two outfans of beam splitter are connected with the RX end of receiving terminal and the RX end of optical-electrical converter respectively；Optical-electrical converter is arranged in interconnector；The signal output part of optical-electrical converter connects has the 2nd RJ45 interface, the 2nd RJ45 interface to be connected to the network printer.
2. secure network printing equipment based on single fiber structure as claimed in claim 1, it is characterised in that the outer wrap of described optical fiber has protective jacket.
3. secure network printing equipment based on single fiber structure as claimed in claim 1, it is characterised in that be provided with cooling fan on described central processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620219269.3U CN205427861U (en) | 2016-03-21 | 2016-03-21 | Secure network printing device based on single fiber structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620219269.3U CN205427861U (en) | 2016-03-21 | 2016-03-21 | Secure network printing device based on single fiber structure |
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| Publication Number | Publication Date |
|---|---|
| CN205427861U true CN205427861U (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620219269.3U Expired - Fee Related CN205427861U (en) | 2016-03-21 | 2016-03-21 | Secure network printing device based on single fiber structure |
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| CN (1) | CN205427861U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114338939A (en) * | 2021-12-21 | 2022-04-12 | 广东纬德信息科技股份有限公司 | Safe printing and scanning system |
-
2016
- 2016-03-21 CN CN201620219269.3U patent/CN205427861U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114338939A (en) * | 2021-12-21 | 2022-04-12 | 广东纬德信息科技股份有限公司 | Safe printing and scanning system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20170321 |
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| CF01 | Termination of patent right due to non-payment of annual fee |