CN107360171A - Industrial control system information security test device and method based on status lamp detection - Google Patents
Industrial control system information security test device and method based on status lamp detection Download PDFInfo
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- CN107360171A CN107360171A CN201710589908.4A CN201710589908A CN107360171A CN 107360171 A CN107360171 A CN 107360171A CN 201710589908 A CN201710589908 A CN 201710589908A CN 107360171 A CN107360171 A CN 107360171A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/14—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
- H04L63/1408—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic by monitoring network traffic
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/34—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment
- G06F11/3409—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment for performance assessment
- G06F11/3414—Workload generation, e.g. scripts, playback
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/14—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
- H04L63/1441—Countermeasures against malicious traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/14—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
- H04L63/1441—Countermeasures against malicious traffic
- H04L63/1458—Denial of Service
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/30—Network architectures or network communication protocols for network security for supporting lawful interception, monitoring or retaining of communications or communication related information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- Computer Security & Cryptography (AREA)
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Abstract
The invention discloses a kind of industrial control system information security test device and method based on status lamp detection, test case is sent to industrial control system by information security test cell, the status lamp feedback information of industrial control system is received by abnormality detecting unit, by automatic management unit coordination information safety test unit and abnormality detecting unit, to realize automation.The present invention does not have to concatenate new equipment to tested industrial control system implantation software or in its network, method for distinguishing is known based on status lamp by introducing, realize the automation of industrial control system information security test, it can be tested before industrial control system on-line running or in routine maintenance procedure, and without individually structure test battery system.
Description
Technical field
The invention belongs to field of industrial automation control, more particularly to a kind of industrial control system based on status lamp detection
Information security test device and method.
Background technology
Can the information security issue of industrial control system be one and be related to national critical infrastructures and run well
Important topic.At present, computer science and information science field have accumulated bulk information security study method and research is thought
Road.In information security test, usually using method for detecting abnormality such as network traffic analysis, system diagnostics, information peace is realized
Full automatic test.These method for detecting abnormality, two classes can be divided into according to deployment way.
One kind is to install monitoring software on being devices under or be directly accessed the network interception flow of tested test system
Abnormality detection is carried out, such as Agent programs are implanted into tested controller, or network auditing system dress is installed in tested network
Put.This method, the system resource being devices under or Internet resources are actually occupied, have impact on the real time execution of system.Such as
Fruit abnormality detection software or device can not be compatible with being devices under, it is likely that to the normal operation of industrial control system in itself
Formed and threatened, and then can not be tested.Meanwhile most industrial control systems have certain closure, therefore, this class method
It is difficult to apply.
Another kind of method for detecting abnormality is monitored by being devices under the feedback system of itself, such as equipment state
The screen display of lamp, computer.Equipment state lamp is the conventional component that can intuitively reflect equipment running status, extensively fortune
Among the various kinds of equipment of industrial control system., can not be by connecing but most industrial control equipments do not possess screen display interface
Enter the mode of screen to display the details of the internal operation situation of equipment.
The test of industrial control system information security, the previous common method of mesh are to equipment by the way of hand inspection
The monitored results of status lamp are judged, to determine the test effect of information security.
In fact, the industrial control system of complete set, more by process monitoring layer, field control layer, scene equipment level etc.
More set industrial control equipments of individual level collectively form, the equipment state lamp substantial amounts being related to.If, certainly will by manual method
Multiple-person cooperative work is needed, not only cost is high, and efficiency is low, the testing time is short, report by mistake and rate of failing to report is high etc. be present
Problem.
The content of the invention
The purpose of the present invention is that to solve the above problems and provides a kind of Industry Control based on status lamp detection
System information safety test device and method.
The present invention is achieved through the following technical solutions above-mentioned purpose：
A kind of industrial control system information security automatization test system, including it is provided with the Industry Control of some status lamps
System；
With the information security test cell of industrial control system communication connection, it is responsible for sending test use to industrial control system
Example；
With the abnormality detecting unit of industrial control system communication connection, the status lamp for being responsible for receiving industrial control system feeds back
Information；
The automatic management unit communicated to connect simultaneously with information security test cell and abnormality detecting unit, is responsible for coordination
Information security test cell and abnormality detecting unit.
Further, information security test cell includes multiple information security testing stations, and each information security testing station is taken
Carry different information security testing tools.
Further, information security testing tool includes port scan instrument, known bugs scanning tools, known bugs
Digging tool, penetration testing instrument, Ethernet attack tool and fieldbus attack tool.
Further, abnormality detecting unit include abnormality detection terminal and with abnormality detection terminal by wireless router without
Multiple video collectors of line communication connection, the process monitoring layer of industrial control system, field control layer and scene equipment level are equal
Video collector is deployed with, video collector is responsible for gathering the status lamp video image information corresponding to each layer equipment, abnormal inspection
Survey terminal to be used to collect the video signal that video collector transmits, abnormality detection terminal is connected to certainly by Ethernet
In network where dynamicization administrative unit and information security test cell.
Further, the video collector includes CPU module, and CPU module is electrically connected with power module, battery simultaneously
Management module, wireless communication module, video acquisition module, clock module, memory module and debugging interface, power module simultaneously with
CPU module and battery management module electrical connection.
Further, automatic management unit includes time synchronized server, data server and HMI terminal, and the time is same
Step server, data server and HMI terminal are connected into abnormality detecting unit and information security test cell institute by Ethernet
Network in, time synchronized server is used to realize the time synchronized of abnormality detecting unit and information security test cell, number
The data summarization for being used to complete abnormality detecting unit and information security test cell according to server works, and HMI terminal passes through B/S framves
Structure accesses data server and shows test result, and abnormality detecting unit and information security test cell are managed.
A kind of industrial control system information security automated testing method drawn by claim 1 to 6 any one,
Comprise the following steps：
Step 1：By accessing HMI terminal, operate in the industrial control system information security automatization test system
All access device access time sync servers carry out time synchronized, the test result that ensures information security and video abnormal results
Matching；
Step 2：By operating HMI terminal, remote control information safety test station sends test to industrial control system and used
Example；
Step 3.：Video collector records the status lamp image of each equipment of industrial control system automatically, is buffered in storage
In module, and image preprocessing is carried out to video background etc.；
Step 4：Video collector is periodically by the pushing video streaming by pretreatment to abnormality detection terminal；
Step 5：After test completion, the status lamp video that abnormality detection terminal-pair receives carries out Computer Vision, point
Light on and off, color change and the flicker frequency of desorption device status lamp, and timestamp information is stamped at image abnormity generation point, finally
Abnormality detection result is sent to data server；
Step 6：Each information security testing station, which respectively sends test assignment record to data server, is collected；
Step 7：Data server passage time is stabbed, and information security test assignment record and abnormality detection result are entered into line number
According to integrating and statistics, and final result is shown on HMI terminal by visual means.
Further, the test case includes lopsided network message, exception control instruction, the checking message of known bugs
With DDOS network attack messages.
Further, when being deployed with multiple video collectors, when passing through between video collector and abnormality detection terminal
Between piece scheduling mechanism ensure the video streaming of multiple video collectors.
The beneficial effects of the present invention are：
Without concatenating new equipment to tested industrial control system implantation software or in its network, therefore do not interfere with
The normal operation of industrial control system, the closure of industrial control system will not be destroyed, ensure that test result is true and reliable；
Method for distinguishing is known based on status lamp by introducing, realizes the automation of industrial control system information security test,
Farthest mitigate manual intervention, improve testing efficiency；
It can be tested before industrial control system on-line running or in routine maintenance procedure, and without individually structure
Test battery system, the information security test for field engineering is realized, industrial control system operation is reduced from source
The possibility of serious accident occurs afterwards.
Brief description of the drawings
Fig. 1 is the general frame figure of industrial control system information security automatization test system of the present invention；
Fig. 2 is the circuit structure schematic block diagram of video collector of the present invention；
Fig. 3 is the field deployment schematic diagram of industrial control system information security automatization test system of the present invention；
Fig. 4 is the flow chart of industrial control system information security automated testing method of the present invention.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
With reference to shown in Fig. 1, Fig. 2 and Fig. 3, hardware configuration of the invention is mainly made up of 3 big units, is automation pipe respectively
Manage unit, abnormality detecting unit, information security test cell.Information security test cell, which is responsible for sending to industrial control system, to be surveyed
Example on probation.Abnormality detecting unit is responsible for receiving the status lamp feedback of industrial control system.Automatic management unit is responsible for coordinating letter
Cease safety test unit and abnormality detecting unit, realize the whole automatic operating of test, below to information security test cell,
Abnormality detecting unit and automatic management unit illustrate.
Information security test cell
Including multiple information security testing stations, different information security testing tools, such as port are carried in each testing station
Scanning tools, known bugs scanning tools, known bugs digging tool, penetration testing instrument, Ethernet attack tool, scene are total
Line attack tool etc..Information security testing station can use the PC of standard or server to realize, can also use existing information
The special equipment of security firm is realized.Information security testing station at least possesses two and thrown the net card, and a card of throwing the net connects for testing station
Enter into the management network segment.Another card of throwing the net coordinates signal switching card to ensure that testing station can be more by fieldbus, Ethernet etc.
Kind mode is directly connected into each layer network of industrial control system.
Abnormality detecting unit
Including two parts of video collector and abnormality detection terminal.Wherein, video collector is responsible for gathering Industry Control
The status lamp video image information of system various kinds of equipment, realized using the wireless video acquisition device of customization.Abnormality detection is whole
End is used for collecting the video signal that multiple video collectors transmit, using standard PC or the wireless ether of server collocation
Network interface card is realized.The algorithm of abnormality detection terminal processes anomalous video image derives from regarding based on status lamp known in the art
Frequency Processing Algorithm, this is announced if patent " video monitoring method of industry spot LED status " (CN104977908)
Algorithm, therefore the present invention no longer excessively introduces the specific implementation of equipment state lamp inspection survey.
Video collector in abnormality detecting unit is deployed in the process monitoring layer of industrial control system, field control respectively
Layer and scene equipment level, collection target are the single or multiple status lamps of equipment.The quantity of video collector deployment is according to specific
The needs of on-the-spot test are adjusted.
Video collector and abnormality detection terminal realize wireless connection by wireless router.When partial video collector away from
From farther out when, ensure the extension of wireless signal using wireless relay.Abnormality detection terminal is connected to automation by Ethernet
In network (the management network segment) where administrative unit and information security test cell.
Video collector is using the flush type circuit design based on ARM, including CPU module, power module, battery management mould
Block, wireless communication module, video acquisition module, clock module and memory module totally 6 modules, and 1 debugging interface.
CPU module realizes the functions such as videograph, image procossing, network management and the system call of video collector, adopts
With based on CortexA8 series arm processor, working frequency 1GHz, in order to ensure CPU can normal operation, extend 2GB
DDR store with real time execution program.
Power module realizes the multilevel voltage power supply of whole device, such as+5V ,+3.3V ,+1.8V etc., includes
CPU module power supply circuit, wireless communication module power supply circuit, video acquisition module power supply circuit, memory module power supply circuit, together
When be also integrated with the voltage conversion circuit of battery management module.
Battery management module realizes the management function of device battery, connects one piece of 3000mAhr lithium battery, and passes through
Voltage conversion circuit realizes external charging/discharging function.
Wireless communication module realizes the external radio communication function of device, and the Video stream information for ensureing to gather passes through wireless
Abnormality detection terminal is transferred to, module includes a wifi 2.4g chip, and sends data by external antenna.
The video acquisition function of video acquisition module realization device, it is 1024*768 to include a resolution ratio, definition
For 720P, frame per second more than 15fps camera to collection site equipment state lamp video image, it is and total by IEEE1394
Line is connected with CPU module.
The accurate CPU time of clock module realization device, meet that multiple video collectors can be with passage time synchronous service
Device carries out the requirement of time synchronized.
Memory module mainly realizes the local cache of video image and the storage of present apparatus operating system and its system configuration.
Device possesses Ethernet debugging interface and JTAG debugging interfaces, realizes the application software debugging and CPU of machine respectively
Bottom BOOTLOAD is debugged.
Automatic management unit
It is made up of 3 kinds of devices such as time synchronized server, data server and HMI terminal.Time synchronized server uses
The PC server of standard realizes that time synchronization protocol uses Network Time Protocol, realizes abnormality detecting unit, information security test cell
The time synchronized function of interior multiple devices, test case and video exception time of origin in the test process that ensures information security
Matching.Data server is realized using the PC server of standard, is completed more in abnormality detecting unit and information security test cell
The data summarization work of individual device, and statistics and visualization that DAS of increasing income realizes test data are carried, meanwhile, number
The preservation of historical data is supported according to server.HMI terminal is realized using standard PC or tablet personal computer, and number is accessed by B/S frameworks
According to server to show test result, and each device in other units is managed by modes such as Telnets.When
Between sync server, data server and HMI terminal by Ethernet be connected into management the network segment in.
The method tested using the industrial control system information security automatization test system in the present invention is as follows：
Step 1：By accessing HMI terminal, all access device access times operated in system of the present invention are synchronous
Server carries out time synchronized, the matching of the test result that ensures information security and video abnormal results；
Step 2：By operating HMI terminal, remote control information safety test station sends test to industrial control system and used
Example, test case include the representative network such as lopsided network message, exception control instruction, the checking message of known bugs, DDoS and attacked
Hit message etc.；
Step 3：Video collector records the status lamp image of each equipment of industrial control system automatically, is buffered in storage mould
In block, and image preprocessing is carried out to video background etc.；
Step 4：Video collector is more when being deployed with periodically by the pushing video streaming by pretreatment to abnormality detection terminal
During individual video collector, passage time piece scheduling mechanism ensures multiple video acquisitions between video collector and abnormal detector
The video streaming of device；
Step 5：After test completion, the status lamp video that abnormality detection terminal-pair receives carries out Computer Vision, point
Light on and off, color change and the flicker frequency of desorption device status lamp, and timestamp information is stamped at image abnormity generation point, finally
Abnormality detection result is sent to data server；
Step 6：Each information security testing station, which respectively sends test assignment record to data server, is collected；
Step 7：Data server passage time is stabbed, and information security test assignment record and abnormality detection result are entered into line number
According to integrating and statistics, and final result is shown on HMI terminal by visual means.
Present invention firstly provides the automated testing method tested for industrial control system information security, survey is realized
The automation of examination process；Using the industrial control system method for detecting abnormality detected based on status lamp, to being tested Industry Control
System carries out information security test, by comparative information safety test result and the abnormality detection result based on status lamp, automatically
It was found that the information security issue of industrial control system, so as to realize the automatic test of industrial control system information security.
These are only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
All any modification, equivalent and improvement made within principle etc., should be included within the scope of the present invention.
Claims (9)
1. a kind of industrial control system information security test device based on status lamp detection, including it is provided with some status lamps
Industrial control system, it is characterised in that also include：
With the information security test cell of industrial control system communication connection, it is responsible for sending test case to industrial control system；
With the abnormality detecting unit of industrial control system communication connection, the responsible status lamp feedback letter for receiving industrial control system
Breath；
The automatic management unit communicated to connect simultaneously with information security test cell and abnormality detecting unit, is responsible for coordination information
Safety test unit and abnormality detecting unit.
2. the industrial control system information security test device according to claim 1 based on status lamp detection, its feature
It is：Information security test cell includes multiple information security testing stations, and different information is carried in each information security testing station
Safe test tool.
3. the industrial control system information security test device according to claim 2 based on status lamp detection, its feature
It is：Information security testing tool includes port scan instrument, known bugs scanning tools, known bugs digging tool, infiltration
Testing tool, Ethernet attack tool and fieldbus attack tool.
4. the industrial control system information security test device according to claim 1 based on status lamp detection, its feature
It is：Abnormality detecting unit includes abnormality detection terminal and is connected by wireless router radio communication with abnormality detection terminal
Multiple video collectors, process monitoring layer, field control layer and the scene equipment level of industrial control system are deployed with video and adopted
Storage, video collector are responsible for gathering the status lamp video image information corresponding to each layer equipment, and abnormality detection terminal is used to receive
The video signal that collection video collector transmits, abnormality detection terminal are connected to automatic management unit by Ethernet
In the network where information security test cell.
5. the industrial control system information security test device according to claim 4 based on status lamp detection, its feature
It is：The video collector includes CPU module, and CPU module is electrically connected with power module, battery management module, wireless simultaneously
Communication module, video acquisition module, clock module, memory module and debugging interface, power module simultaneously with CPU module and battery
Management module electrically connects.
6. the industrial control system information security test device according to claim 1 based on status lamp detection, its feature
It is：Automatic management unit includes time synchronized server, data server and HMI terminal, time synchronized server, data
Server and HMI terminal are connected into by Ethernet in the network where abnormality detecting unit and information security test cell, when
Between sync server be used to realize the time synchronized of abnormality detecting unit and information security test cell, data server has been used for
Worked into the data summarization of abnormality detecting unit and information security test cell, HMI terminal accesses data, services by B/S frameworks
Device simultaneously shows test result, and abnormality detecting unit and information security test cell are managed.
A kind of 7. industrial control system information security based on status lamp detection drawn by claim 1 to 6 any one
Method of testing, it is characterised in that comprise the following steps：
Step 1：By accessing HMI terminal, the operation industrial control system information security based on status lamp detection tests dress
All access device access time sync servers in putting carry out time synchronized, and the test result that ensures information security and video are different
The matching of normal result；
Step 2：By operating HMI terminal, remote control information safety test station sends test case to industrial control system；
Step 3.：Video collector records the status lamp image of each equipment of industrial control system automatically, is buffered in memory module
In, and image preprocessing is carried out to video background etc.；
Step 4：Video collector is periodically by the pushing video streaming by pretreatment to abnormality detection terminal；
Step 5：After test completion, the status lamp video that abnormality detection terminal-pair receives carries out Computer Vision, and analysis is set
Light on and off, color change and the flicker frequency of standby status lamp, and timestamp information is stamped at image abnormity generation point, finally will be different
Normal testing result is sent to data server；
Step 6：Each information security testing station, which respectively sends test assignment record to data server, is collected；
Step 7：Data server passage time stabs, and it is whole that information security test assignment record and abnormality detection result are carried out into data
Close and statistics, and final result is shown on HMI terminal by visual means.
8. the industrial control system information security method of testing according to claim 7 based on status lamp detection, its feature
It is：The test case includes lopsided network message, exception control instruction, the checking message of known bugs and DDOS networks and attacked
Hit message.
9. the industrial control system information security method of testing according to claim 7 based on status lamp detection, its feature
It is：When being deployed with multiple video collectors, passage time piece scheduling mechanism between video collector and abnormality detection terminal
Ensure the video streaming of multiple video collectors.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107835189A (en) * | 2017-11-28 | 2018-03-23 | 北京启明星辰信息安全技术有限公司 | A kind of bug excavation method and system |
| CN109195133A (en) * | 2018-09-14 | 2019-01-11 | 苏州凌犀物联网技术有限公司 | A kind of terminal of wireless monitoring equipment operating status |
| CN109698841A (en) * | 2019-03-06 | 2019-04-30 | 成都明得科技有限公司 | The unknown bug excavation system and method for industry control based on video monitoring |
| CN110519272A (en) * | 2019-08-28 | 2019-11-29 | 南京市晨枭软件技术有限公司 | A kind of industrial control system information security test device and method based on status lamp detection |
| CN113515417A (en) * | 2021-05-13 | 2021-10-19 | 国网冀北电力有限公司唐山供电公司 | Portable data network dedicated channel testing device and debugging method |
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| CN106131041A (en) * | 2016-07-29 | 2016-11-16 | 北京匡恩网络科技有限责任公司 | A kind of industry control network safety detection device and unknown leak detection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107835189A (en) * | 2017-11-28 | 2018-03-23 | 北京启明星辰信息安全技术有限公司 | A kind of bug excavation method and system |
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| CN109698841A (en) * | 2019-03-06 | 2019-04-30 | 成都明得科技有限公司 | The unknown bug excavation system and method for industry control based on video monitoring |
| CN110519272A (en) * | 2019-08-28 | 2019-11-29 | 南京市晨枭软件技术有限公司 | A kind of industrial control system information security test device and method based on status lamp detection |
| CN113515417A (en) * | 2021-05-13 | 2021-10-19 | 国网冀北电力有限公司唐山供电公司 | Portable data network dedicated channel testing device and debugging method |
| CN113515417B (en) * | 2021-05-13 | 2022-10-28 | 国网冀北电力有限公司唐山供电公司 | Portable data network dedicated channel testing device and debugging method |
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Application publication date: 20171117 |
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