CN109298321A - A kind of comprehensive debugging device - Google Patents

A kind of comprehensive debugging device Download PDF

Info

Publication number
CN109298321A
CN109298321A CN201811334843.XA CN201811334843A CN109298321A CN 109298321 A CN109298321 A CN 109298321A CN 201811334843 A CN201811334843 A CN 201811334843A CN 109298321 A CN109298321 A CN 109298321A
Authority
CN
China
Prior art keywords
interface
module
core board
power management
arm9 core
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811334843.XA
Other languages
Chinese (zh)
Inventor
杜建平
陈飞飞
李荣幸
梁秋虹
李敬宁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Newcapec Electronics Co Ltd
Original Assignee
Newcapec Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Newcapec Electronics Co Ltd filed Critical Newcapec Electronics Co Ltd
Priority to CN201811334843.XA priority Critical patent/CN109298321A/en
Publication of CN109298321A publication Critical patent/CN109298321A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28Testing of electronic circuits, e.g. by signal tracer
    • G01R31/317Testing of digital circuits
    • G01R31/31705Debugging aspects, e.g. using test circuits for debugging, using dedicated debugging test circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Debugging And Monitoring (AREA)

Abstract

The present invention provides a kind of comprehensive debugging device, including adapter head interface;Interface protection module;Power management module;Network carrier signal couples sampling unit;LCD display module;Backup power system;Carrier module interface;ARM9 core board;GPRS module interface and state indicator module etc..Comprehensive debugging device provided by the invention has the advantages that fast response time, stable testing, memory management functions are powerful, supports teledata interaction.

Description

A kind of comprehensive debugging device
Technical field
The present invention relates to carrier communication field more particularly to a kind of comprehensive debugging devices.
Background technique
Most of fields of electronic circuit are rapidly captured with its distinctive performance and popularized to digital circuit, more and more Household electrical appliance, more and more Industrial Control Computers are gradually replaced digital circuit.And show powerful vitality.But It is that, suitable for the small portable testing tool of digital circuit, the development of digital circuit could not be kept up with always, could not is number electricity Road debugging test provide one it is advantageous side in.The measurement of traditional multimeter, current voltmeter almost loses significance of which. Because digital circuit is always operating at two stable switch states.It seems to be not relevant for specific Current Voltage state, and It is more the signal intensity focused on logical meaning.
However traditional comprehensive debugging device, in data transmission procedure, response speed is slower, Caton is easy to produce, in data Memory management functions are weaker when storage, cannot largely be stored in new data, in addition do not support teledata to hand over when transmitting data Mutually.
Therefore, it is necessary to provide a kind of new comprehensive debugging device solution above-mentioned technical problem.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of fast response time, stable testing, memory management functions are powerful, prop up Hold the comprehensive debugging device of teledata interaction.
In order to solve the above technical problems, comprehensive debugging device provided by the invention includes: adapter head interface;Interface protection mould Block;Power management module;Network carrier signal couples sampling unit;LCD display module;Backup power system;Carrier module connects Mouthful;ARM9 core board;GPRS module interface;State indicator module;Multi-function extension mouth;USB-Device interface;USB-Host Interface;RS232 interface;Keyboard and RJ45 interface;It is unidirectionally to connect between the adapter head interface;The adapter head interface is directed toward The interface protection module;The interface protection module connects and is directed toward the power management module, and the interface protection mould It is unidirectionally to connect between block and the power management module;The interface protection module connects and is directed toward the network carrier signal Sampling unit is coupled, and it is unidirectionally to connect that the interface protection module couples between sampling unit with the network carrier signal; The power management module connects and is directed toward the LCD display module, the power management module and the LCD display module it Between be unidirectionally to connect;The backup power system is bi-directionally connected with the power management module;The carrier module interface includes Routing module interface, three interfaces and single-phase, the carrier module interface is mutually bi-directionally connected with the interface protection module;It is described ARM9 core board include STM32AD sampling, clock module, SDRAM, ARM926EJ-S, NANDFLASH, RST management, DM9161, It is to be bi-directionally connected between the ARM9 core board and the carrier module interface;The GPRS module interface and the ARM9 core Plate is bi-directionally connected;The ARM9 core board connects and is directed toward the state indicator module, and the ARM9 core board and the shape It is unidirectionally to connect between state indicating module;It is to be bi-directionally connected between the Multi-function extension mouth and the ARM9 core board;It is described It is to be bi-directionally connected between USB-Device interface and the ARM9 core board;The USB-Host interface and the ARM9 core board Between to be bi-directionally connected;It is to be bi-directionally connected between the RS232 interface and the ARM9 core board;The keyboard is connected and is directed toward The ARM9 core board, and be unidirectionally to connect between the keyboard and the ARM9 core board;The RJ45 interface with it is described It is to be bi-directionally connected between ARM9 core board.
Preferably, the interface protection module is separately connected and is directed toward the power management module and the network carrier is believed Number coupling sampling unit, and the interface protection module couples sampling with the power management module and the network carrier signal The PLC being bi-directionally connected with the carrier module interface is provided between unit connection.
Preferably, the power management module be also respectively connected with and be directed toward network carrier signal coupling sampling unit, The ARM9 core board and the GPRS module interface, and the power management module couples sampling with the network carrier signal It is unidirectionally to connect between unit, the ARM9 core board and GPRS module interface.
Preferably, the ARM9 core board also couples sampling unit respectively at the network carrier signal and the LCD is aobvious Show to be to be bi-directionally connected between mould group.
Preferably, the size of the LCD display module is 160mm × 160mm.
Preferably, the memory capacity of the SDRAM is 32M.
Preferably, the memory capacity of the NANDFLASH is 128M.
Compared with the relevant technologies, comprehensive debugging device provided by the invention is had the following beneficial effects:
The present invention provides a kind of comprehensive debugging device, is unidirectionally to connect between the adapter head interface, and the adapter head interface is directed toward The interface protection module, the interface protection module connect and are directed toward the power management module, and the interface protection mould It is unidirectionally to connect between block and the power management module, is conducive to the equipment installation of electric line carrier communication occasion, scene is adjusted Examination, the interface protection module connect and are directed toward the network carrier signal coupling sampling unit, and the interface protection module It is unidirectionally to connect between network carrier signal coupling sampling unit, the power management module is connected and is directed toward described LCD display module is unidirectionally to connect between the power management module and the LCD display module, realizes that debugger remotely counts According to interaction, the main service station of connection, the also real-time copy reading of support teledata, file transmission, the carrier module interface connects with described Mouth protective module is bi-directionally connected, and is bi-directionally connected between the ARM9 core board and the carrier module interface, keeps debugger real Existing functional application multitasking, fast response time and memory management functions are powerful.
Detailed description of the invention
It is a kind of operation principle schematic diagram of preferred embodiment of comprehensive debugging device provided by the invention between Fig. 1.
Fig. 2 is ARM9 core board structural schematic diagram of the present invention;
Figure label: 1, adapter head interface, 2, interface protection module, 3, power management module, 4, network carrier signal coupling adopt Sample unit, 5, LCD display module, 6, backup power system, 7, carrier module interface, 71, module interface, 72, three interfaces, 73, single-phase, 8, ARM9 core board, 81, STM32AD sampling, 82, clock module, 83, SDRAM, 84, ARM926EJ-S, 85, NANDFLASH, 86, RST management, 87, DM9161,9, GPRS module interface, 10, state indicator module, 11, Multi-function extension Mouthful, 12, USB-Device interface, 13, USB-Host interface, 14, RS232 interface, 15, keyboard, 16, RJ45 interface.
Specific embodiment
The invention will be further described with embodiment with reference to the accompanying drawing.
Please refer to Fig. 1 to Fig. 2, a kind of comprehensive debugging device, including adapter head interface 1, interface protection module 2, power supply Management module 3, network carrier signal coupling sampling unit 4, LCD display module 5, backup power system 6, carrier module interface 7, ARM9 core board 8, GPRS module interface 9, state indicator module 10, Multi-function extension mouth 11, USB-Device interface 12, USB- Host interface 13, RS232 interface 14, keyboard 15, RJ45 interface 16 are unidirectionally to connect between the adapter head interface 1;It is described suitable The interface protection module 2 is directed toward with head interface 1;The interface protection module 2 connects and is directed toward the power management module 3, It and between the interface protection module 2 and the power management module 3 is unidirectionally to connect;The connection of interface protection module 2 is simultaneously It is directed toward the network carrier signal coupling sampling unit 4, and the interface protection module 2 is coupled with the network carrier signal and adopted It is unidirectionally to connect between sample unit 4;The power management module 3 connects and is directed toward the LCD display module 5, the power supply pipe Managing between module 3 and the LCD display module 5 is unidirectionally to connect;The backup power system 6 and the power management module 3 It is bi-directionally connected;The carrier module interface 7 includes routing module interface 71, three interfaces 72 and single-phase 73, the carrier module Interface 7 is bi-directionally connected with the interface protection module 2;The ARM9 core board 8 include STM32AD sampling 81, clock module 82, SDRAM83, ARM926EJ-S84, NANDFLASH85, RST manage 86, DM916187, the ARM9 core board 8 and the carrier wave It is to be bi-directionally connected between module interface 7;The GPRS module interface 9 is bi-directionally connected with the ARM9 core board 8;The ARM9 core Core 8 connects and is directed toward the state indicator module, and is single between the ARM9 core board 8 and the state indicator module 10 To connection;It is to be bi-directionally connected between the Multi-function extension mouth 11 and the ARM9 core board 8;The USB-Device interface 12 It is to be bi-directionally connected between the ARM9 core board 8;It is two-way between the USB-Host interface 13 and the ARM9 core board 8 Connection;It is to be bi-directionally connected between the RS232 interface 14 and the ARM9 core board 8;The keyboard 15 is connected and is directed toward described ARM9 core board 8, and be unidirectionally to connect between the keyboard 15 and the ARM9 core board 8;The RJ4516 interface with it is described It is to be bi-directionally connected between ARM9 core board 8.
The interface protection module 2 is separately connected and is directed toward the power management module 3 and the network carrier signal coupling Sampling unit 4 is closed, and the interface protection module 2 couples sampling with the power management module 3 and the network carrier signal It is provided with the PLC being bi-directionally connected with the carrier module interface 7 between the connection of unit 4, is advantageously implemented the function of PLC.
The power management module 3 is also respectively connected with and is directed toward network carrier signal coupling sampling unit 4, described ARM9 core board 8 and the GPRS module interface 9, and the power management module 3 couples sampling with the network carrier signal It is unidirectionally to connect between unit 4, the ARM9 core board 8 and GPRS module interface 9, realizes that the power management module 3 controls The network carrier signal coupling sampling unit 4, the ARM9 core board 8 and the GPRS module interface 9.
The ARM9 core board 8 also couples sampling unit 4 and the LCD display module respectively at the network carrier signal To be bi-directionally connected between 5, realize that the LCD display module 5 couples sampling unit 4 with the network carrier signal and mutually passes number According to.
The size of the LCD display module 5 is 160mm × 160mm, enables the LCD display module 5 that can simply carry.
The memory capacity of the SDRAM83 is 32M, realizes that debugger memory capacity is big.
The memory capacity of the NANDFLASH85 is 128M, makes the NANDFLASH85 that can store mass data.
The working principle of comprehensive debugging device provided by the invention is as follows:
Adapter head interface 1 is connected into the interface protection module 2 first, the adapter head interface 1 is directed toward the interface protection mould The interface protection module 2 is connected and is directed toward the power management module 3 by block 2, and the interface protection module 2 with it is described It is unidirectionally to connect between power management module 3;The interface protection module 2 is connected and is directed toward the network carrier signal coupling Sampling unit 4, and it is unidirectionally to connect between sampling unit 4 that the interface protection module 2 is coupled with the network carrier signal, it will The power management module 3 connects and is directed toward the LCD display module 5, and the power management module 3 and LCD shows mould It is unidirectionally to connect between group 5, the backup power system 6 and the power management module 3 is bi-directionally connected, by the carrier wave mould Block interface 7 is bi-directionally connected with the interface protection module 2, will be between the ARM9 core board 8 and the carrier module interface 7 It is bi-directionally connected, the GPRS module interface 9 and the ARM9 core board 8 is bi-directionally connected, simultaneously by the ARM9 core board 8 connection It is directed toward the state indicator module, and is unidirectionally to connect between the ARM9 core board 8 and the state indicator module 10, by institute State between Multi-function extension mouth 11 and the ARM9 core board 8 to be bi-directionally connected, by the USB-Device interface 12 with it is described It will be two-way company between the USB-Host interface 13 and the ARM9 core board 8 to be bi-directionally connected between ARM9 core board 8 It connects, between the RS232 interface 14 and the ARM9 core board 8, to be bi-directionally connected, the keyboard 15 will be connected and be directed toward institute State ARM9 core board 8, and be unidirectionally to connect between the keyboard 15 and the ARM9 core board 8, by the RJ4516 interface with To be bi-directionally connected between the ARM9 core board 8, the interface protection module 2 and the power management module 3 and the power grid It is provided with the PLC being bi-directionally connected with the carrier module interface 7 between the carrier signal coupling connection of sampling unit 4, by the electricity Source control module 3 is also respectively connected with and is directed toward the network carrier signal coupling sampling unit 4, the ARM9 core board 8 and institute GPRS module interface 9 is stated, and the power management module 3 couples sampling unit 4, the ARM9 core with the network carrier signal It is unidirectionally to connect between core 8 and GPRS module interface 9, by the ARM9 core board 8 also respectively at the network carrier signal It is to be bi-directionally connected between coupling sampling unit 4 and the LCD display module 5.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (7)

1. a kind of comprehensive debugging device, which is characterized in that including adapter head interface (1), interface protection module (2), power management mould Block (3), network carrier signal couple sampling unit (4), LCD display module (5), backup power system (6), carrier module interface (7), ARM9 core board (8), GPRS module interface (9), state indicator module (10), Multi-function extension mouth (11), USB- Device interface (12), USB-Host interface (13), RS232 interface (14), keyboard (15), RJ45 interface (16), the adaptation It is unidirectionally to connect between head interface (1);The adapter head interface (1) is directed toward the interface protection module (2);The interface protection Module (2) is connected and is directed toward the power management module (3), and the interface protection module (2) and the power management module It (3) is unidirectionally to connect between;The interface protection module (2) connects and is directed toward the network carrier signal coupling sampling unit It (4), is and between the interface protection module (2) and network carrier signal coupling sampling unit (4) unidirectionally to connect;It is described Power management module (3) connects and is directed toward the LCD display module (5), and the power management module (3) and the LCD are shown It is unidirectionally to connect between mould group (5);The backup power system (6) is bi-directionally connected with the power management module (3);The load Wave module interface (7) includes routing module interface (71), three interfaces (72) and single-phase (73), the carrier module interface (7) It is bi-directionally connected with the interface protection module (2);The ARM9 core board (8) includes STM32AD sampling (81), clock module (82), SDRAM (83), ARM926EJ-S (84), NANDFLASH (85), RST manage (86), DM9161 (87), the ARM9 core It is to be bi-directionally connected between core (8) and the carrier module interface (7);The GPRS module interface (9) and the ARM9 core Plate (8) is bi-directionally connected;The ARM9 core board (8) connects and is directed toward the state indicator module, and the ARM9 core board (8) It is unidirectionally to connect between the state indicator module (10);The Multi-function extension mouth (11) and the ARM9 core board (8) Between to be bi-directionally connected;It is to be bi-directionally connected between the USB-Device interface (12) and the ARM9 core board (8);It is described It is to be bi-directionally connected between USB-Host interface (13) and the ARM9 core board (8);The RS232 interface (14) and the ARM9 It is to be bi-directionally connected between core board (8);The keyboard (15) connects and is directed toward the ARM9 core board (8), and the keyboard It (15) is unidirectionally to connect between the ARM9 core board (8);Between RJ (4516) interface and the ARM9 core board (8) To be bi-directionally connected.
2. comprehensive debugging device according to claim 1, which is characterized in that the interface protection module (2) is separately connected simultaneously It is directed toward the power management module (3) to couple sampling unit (4) with the network carrier signal, and the interface protection module (2) with the power management module (3) and the network carrier signal coupling sampling unit (4) connect between be provided with it is described The PLC that carrier module interface (7) is bi-directionally connected.
3. comprehensive debugging device according to claim 1, which is characterized in that the power management module (3) is also respectively connected with And it is directed toward network carrier signal coupling sampling unit (4), the ARM9 core board (8) and the GPRS module interface (9), And the power management module (3) coupled with the network carrier signal sampling unit (4), the ARM9 core board (8) and It is unidirectionally to connect between GPRS module interface (9).
4. comprehensive debugging device according to claim 1, which is characterized in that the ARM9 core board (8) is also respectively at described It is to be bi-directionally connected between network carrier signal coupling sampling unit (4) and the LCD display module (5).
5. comprehensive debugging device according to claim 1, which is characterized in that the size of the LCD display module (5) is 160mm×160mm。
6. comprehensive debugging device according to claim 1, which is characterized in that the memory capacity of the SDRAM (83) is 32M.
7. comprehensive debugging device according to claim 1, which is characterized in that the memory capacity of the NANDFLASH (85) is 128M。
CN201811334843.XA 2018-11-10 2018-11-10 A kind of comprehensive debugging device Pending CN109298321A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811334843.XA CN109298321A (en) 2018-11-10 2018-11-10 A kind of comprehensive debugging device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811334843.XA CN109298321A (en) 2018-11-10 2018-11-10 A kind of comprehensive debugging device

Publications (1)

Publication Number Publication Date
CN109298321A true CN109298321A (en) 2019-02-01

Family

ID=65146825

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811334843.XA Pending CN109298321A (en) 2018-11-10 2018-11-10 A kind of comprehensive debugging device

Country Status (1)

Country Link
CN (1) CN109298321A (en)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201269994Y (en) * 2008-10-24 2009-07-08 华北电力大学(保定) Carrier communication monitoring module for power distribution network
CN201518037U (en) * 2009-09-23 2010-06-30 广东汇海华天科技有限公司 Concentrator used for centralized meter reading system of low-voltage power consumers
CN102347786A (en) * 2011-07-20 2012-02-08 湖北省电力公司电力试验研究院 Power line narrowband carrier field test device applied to low voltage centralized meter reading system
CN202694559U (en) * 2012-06-01 2013-01-23 黑龙江龙电电气有限公司 Carrier concentrator
CN103761854A (en) * 2014-02-20 2014-04-30 国网上海市电力公司 Testing and debugging system for low-voltage meter concentrated reading district
CN104104456A (en) * 2014-05-26 2014-10-15 许任阳 Low-voltage detection device
CN104811224A (en) * 2015-05-09 2015-07-29 盛吉高科(北京)科技有限公司 Test system for power line carrier communication module
WO2015117381A1 (en) * 2014-02-10 2015-08-13 瑞斯康微电子(深圳)有限公司 Power-line carrier communications tester
WO2017152312A1 (en) * 2016-03-05 2017-09-14 马骏 New type of power-grid measurement and control system using power carrier technology
CN107170225A (en) * 2017-04-19 2017-09-15 新开普电子股份有限公司 Carrier wave integrates copy controller
CN107290586A (en) * 2017-06-09 2017-10-24 河南工业贸易职业学院 Acquiring electric energy information debugger
CN209215544U (en) * 2018-11-10 2019-08-06 新开普电子股份有限公司 A kind of comprehensive debugging device

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201269994Y (en) * 2008-10-24 2009-07-08 华北电力大学(保定) Carrier communication monitoring module for power distribution network
CN201518037U (en) * 2009-09-23 2010-06-30 广东汇海华天科技有限公司 Concentrator used for centralized meter reading system of low-voltage power consumers
CN102347786A (en) * 2011-07-20 2012-02-08 湖北省电力公司电力试验研究院 Power line narrowband carrier field test device applied to low voltage centralized meter reading system
CN202694559U (en) * 2012-06-01 2013-01-23 黑龙江龙电电气有限公司 Carrier concentrator
WO2015117381A1 (en) * 2014-02-10 2015-08-13 瑞斯康微电子(深圳)有限公司 Power-line carrier communications tester
CN103761854A (en) * 2014-02-20 2014-04-30 国网上海市电力公司 Testing and debugging system for low-voltage meter concentrated reading district
CN104104456A (en) * 2014-05-26 2014-10-15 许任阳 Low-voltage detection device
CN104811224A (en) * 2015-05-09 2015-07-29 盛吉高科(北京)科技有限公司 Test system for power line carrier communication module
WO2017152312A1 (en) * 2016-03-05 2017-09-14 马骏 New type of power-grid measurement and control system using power carrier technology
CN107170225A (en) * 2017-04-19 2017-09-15 新开普电子股份有限公司 Carrier wave integrates copy controller
CN107290586A (en) * 2017-06-09 2017-10-24 河南工业贸易职业学院 Acquiring electric energy information debugger
CN209215544U (en) * 2018-11-10 2019-08-06 新开普电子股份有限公司 A kind of comprehensive debugging device

Similar Documents

Publication Publication Date Title
CN201765692U (en) General meter-reading controller for carrier wave electric energy meter
CN203870789U (en) Bluetooth remote-transmission metering and meter reading system
CN203405523U (en) Novel intelligent transformer station hand-held digital tester
CN204332060U (en) Universal electric power copies control device
CN209215544U (en) A kind of comprehensive debugging device
CN107169883A (en) Intelligent substation relay protection field adjustable mobile terminal
CN109298321A (en) A kind of comprehensive debugging device
CN209000215U (en) Electric power collection copies management system
CN2798103Y (en) Network intelligent electric energy quantity monitor
CN104635176A (en) Energy efficiency detection method of power adapter and system thereof
CN209388477U (en) A kind of handheld power line carrierband copy controller
CN2909283Y (en) Electronic electronic-energy meter tester
CN202841148U (en) Portable power line broadband equipment testing device
CN109637901A (en) A kind of intelligent breaker device
CN204731340U (en) A kind of portable Intelligent terminal for Internet of things equipment failure intelligent detecting instrument
CN204833685U (en) Copy accuse ware based on on --spot fortune dimension of PAD
CN105866534A (en) Multi-user intelligent electric meter
CN212749194U (en) Hand-held type electric leakage detector
CN203981807U (en) Novel aviation ground proximity warning system checkout equipment
CN216117832U (en) Substation telecontrol information consistency verification device
CN207304011U (en) A kind of idle compensating control
CN217931967U (en) Communication battery testing tool
CN204795074U (en) Quick network message collection system of many interfaces
CN2821694Y (en) Communication interface detector
CN201229384Y (en) Electric energy metering cabinet debugging system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination