CN101068369A - Test back plate and single plate testing method - Google Patents
Test back plate and single plate testing method Download PDFInfo
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- CN101068369A CN101068369A CNA2007101058974A CN200710105897A CN101068369A CN 101068369 A CN101068369 A CN 101068369A CN A2007101058974 A CNA2007101058974 A CN A2007101058974A CN 200710105897 A CN200710105897 A CN 200710105897A CN 101068369 A CN101068369 A CN 101068369A
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Abstract
A test back plate consists of single board slot position being used to connect single board to be tested and at least one externally-set interface. It is featured as setting built-in interface on single board to be tested, setting externally-set interface to be one by one corresponded to build-in interface on single board to be tested, connecting them to single slot position through back-plate wiring, connecting build-in interface to said single board slot position and using externally-set interface to connect with test device. Its testing method of single board is also disclosed.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of advanced telecom computer framework (AdvancedTelecom Computing Architecture, ATCA) testing backboard and single-board testing method.
Background technology
Be accompanied by the fast development of the communication technology and the continuous expansion of application, also had higher requirement in the aspects such as capacity, reliability, extensibility and manageability of communication equipment in actual applications.In order to comply with this development trend, PCI industrial computer manufacturing tissue (PCIIndustrial Computer Manufacturers Group as one of standardization body, PICMG) a kind of brand-new open hardware platform has been proposed, be called advanced telecommunication computing structure (Advanced Telecommunications ComputingArchitecture, ATCA), and formulated the PICMG3.0 standard for this reason, aspects such as the mechanical structure of ATCA, power supply, heat radiation, data transmission interface, system management, specification of the Board are illustrated.According to this standard, veneer in a machine frame can be divided into front card and back card/back board, and front card comprises two types of Node Board (Node Board) and switching boards (Hub Board), and back card/back board is as the extension of corresponding front card, external interface mainly is provided, is convenient to system maintenance.
Referring to Fig. 1, in the ATCA system, interface between front card and the ATCA backboard is divided into 1 (Zone 1), zone and zone 2 (Zone 2) two parts according to function, and Zone 1 mainly finishes functions such as power supply access, system management, and Zone 2 finishes the transmission of business datum.Interface definition between front card and the back card/back board is in 3 (Zone 3), zone, and herein, front card and back card/back board directly link to each other by connector separately, but all are not connected with the ATCA backboard.
As seen, front card only exists with the ATCA backboard with Zone 2 zones at Zone 1 and is connected, and front card only directly links to each other in Zone 3 zones with back card/back board.No matter be front card or ATCA backboard, they all have clear and definite definition in type, signal definition and the purposes of the connector of Zone1 and Zone 2 uses in the PICMG3.0 standard.
ATCA provides 4 kinds of independently interfaces, is respectively basic interface (Base Interface), expansion interface (Fabric Interface), sync cap (Update Channel Interface) and clock interface (Synchronization Clock Interface).On the ATCA backboard, the various interface that is installed in the veneer of each groove position links to each other by the backboard cabling is corresponding.
In the prior art, because the ATCA Node Board does not possess the standard interface that directly links to each other with the peripheral hardware test equipment, when the built-in interface of ATCA Node Board is tested, need to use ATCA switching board and ATCA backboard.During test, at first ATCA Node Board, ATCA switching board and Shelf Management Module are inserted Node Board groove position, switching board groove position and shelf management board slot position on the ATCA backboard respectively.Shelf management board slot position links to each other with switching board groove position with Node Board groove position by the backboard cabling.Then, the standard interface of ATCA switching board is linked to each other with the peripheral hardware test equipment, the ATCA switching board is finished test to the ATCA Node Board as data path by the peripheral hardware test equipment.Concrete test process is: under the control of Shelf Management Module, ATCA Node Board and ATCA switching board are powered on, the ATCA Node Board is walked alignment ATCA switching board from its interface to be measured by backboard and is sent test packet, after the ATCA switching board receives test packet, test packet is sent to the peripheral hardware test equipment by its standard interface, when the peripheral hardware test equipment receives test packet, test packet is returned to the ATCA switching board, the ATCA switching board is walked the interface transmission test packet to be measured of alignment ATCA Node Board again by backboard, at this moment, if the ATCA Node Board receives this test packet, then the interface to be measured of ATCA Node Board is a complete interface, otherwise the interface to be measured of ATCA Node Board breaks down.Certainly, before test, the interface that guarantee the ATCA switching board is a complete interface.
Equally, when the built-in interface of ATCA switching board is tested, need to use ATCA Node Board and ATCA backboard.ATCA Node Board, ATCA switching board and Shelf Management Module are inserted Node Board groove position, switching board groove position and shelf management board slot position on the ATCA backboard respectively.Shelf management board slot position links to each other with switching board groove position with Node Board groove position by cabling.The peripheral hardware test equipment links to each other with the standard interface of ATCA switching board, by the peripheral hardware test equipment ATCA Node Board is finished test to the ATCA switching board as data path.Concrete test process is: under the control of Shelf Management Module, ATCA Node Board and ATCA switching board are powered on, the ATCA Node Board from the interface of the corresponding connection of ATCA switching board interface to be measured, the interface to be measured of walking alignment ATCA switching board by backboard sends test packet, after the ATCA switching board receives test packet, test packet is sent to the peripheral hardware test equipment by its standard interface, when the peripheral hardware test equipment receives test packet, test packet is returned to the ATCA switching board, the ATCA switching board is again from its interface to be measured, walk alignment ATCA Node Board by backboard and send test packet, at this moment, if the ATCA Node Board receives this test packet, then the interface to be measured of ATCA switching board is a complete interface, otherwise the interface to be measured of ATCA switching board breaks down.Certainly, before test, the interface that guarantee the ATCA Node Board is a complete interface.
In sum, in the prior art, need when using the ATCA backboard that the interface of ATCA Node Board or ATCA switching board is tested to take ATCA backboard more groove position and space mutually as test equipment, caused the testing cost height, testing efficiency is low.
Summary of the invention
The embodiment of the invention provides a kind of ATCA testing backboard and single-board testing method, is used for solving prior art when using the ATCA backboard that the interface of ACTA Node Board or ACTA switching board is tested, the high and low problem of testing efficiency of testing cost.
The embodiment of the invention provides a kind of ATCA testing backboard, and described ATCA testing backboard comprises:
Single-board slot is used to connect veneer to be measured, and described veneer to be measured comprises built-in interface, and described built-in interface is connected with described single-board slot;
At least one external interface, described external interface is corresponding one by one with the built-in interface of described veneer to be measured, and is connected with single-board slot by the backboard cabling, and described external interface is used to connect testing equipment.
The embodiment of the invention provides a kind of ATCA single-board testing method, and this method may further comprise the steps:
Veneer to be measured sends test packet by built-in interface to be measured;
This test packet is transferred to testing equipment by backboard cabling and this external interface that connects described built-in interface to be measured and external interface;
After described testing equipment receives this test packet, walk the built-in interface transmission test packet to be measured of the described veneer to be measured of alignment by external interface that links to each other with self and the backboard that is connected described built-in interface to be measured and this external interface;
Described veneer to be measured receives the performance that test packet that described testing equipment sends is judged described built-in interface to be measured by whether from built-in interface to be measured.
The embodiment of the invention provides a kind of ATCA testing equipment, and described ATCA testing equipment comprises ATCA testing backboard and fixture, wherein:
Described ATCA testing backboard comprises: single-board slot, be used to connect veneer to be measured, and described veneer to be measured comprises built-in interface, described built-in interface is connected with described single-board slot; At least one external interface, described external interface is corresponding one by one with the built-in interface of described veneer to be measured, and is connected with single-board slot by the backboard cabling, and described external interface is used to connect testing equipment;
Fixture is used for described ATCA testing backboard is vertically fixed on a plane.
A kind of ATCA testing backboard that the application of the invention embodiment provides, the built-in interface of veneer is external, the ATCA testing backboard increased can with the direct-connected external interface of peripheral hardware testing equipment, when test ATCA Node Board or ATCA switching board, only need ATCA Node Board to be measured or ATCA switching board are inserted in the single-board slot of ATCA testing backboard, and the peripheral hardware testing equipment is connected with corresponding external interface, promptly can finish test, and need not finish test by ATCA switching board or ATCA Node Board to ATCA Node Board or ATCA switching board, reduced the space of shared ATCA testing backboard, improve testing efficiency, reduced testing cost.
Description of drawings
Fig. 1 is the configuration diagram of ATCA backboard in the prior art;
The configuration diagram of the ATCA testing backboard that Fig. 2 provides for the embodiment of the invention;
Configuration diagram during ATCA testing backboard additional fixation device that Fig. 3 provides for the embodiment of the invention;
The schematic flow sheet of the ATCA single-board testing method that Fig. 4 provides for the embodiment of the invention.
Embodiment
In order to reach when testing ATCA Node Board and ATCA switching board, reduce the purpose of testing cost and raising testing efficiency, the embodiment of the invention provides a kind of ATCA testing backboard.Described ATCA testing backboard comprises:
Single-board slot is used to connect veneer to be measured, and described veneer to be measured comprises built-in interface, and described built-in interface is connected with described single-board slot;
At least one external interface, described external interface is corresponding one by one with the built-in interface of described veneer to be measured, and is connected with single-board slot by the backboard cabling, and described external interface is used to connect testing equipment.
Referring to Fig. 2, the ATCA testing backboard that the embodiment of the invention provides comprises: single-board slot 21, shelf management board slot position 22 and more than one external interface, shelf management board slot position 22 is connected with single-board slot 21 by the backboard cabling.External interface is corresponding one by one with the built-in interface of the veneer to be measured that inserts single-board slot, external interface is by backboard cabling and single-board slot 21 connector in Zone 2 zones, after veneer to be measured inserts single-board slot, the built-in interface of veneer to be measured is connected with single-board slot by connector again, so, this moment, external interface passed through the corresponding connection of single-board slot with built-in interface.The backboard cabling here can be the inner cabling of backboard, also can be the outside cabling of backboard.
The type of the external interface on the ATCA testing backboard is identical with the type and the number of the built-in interface of veneer to be measured with number.According to existing P ICMG standard, the built-in interface of veneer comprises five expansion interfaces, two basic interfaces and a sync cap, therefore, the external interface on the ATCA testing backboard can comprise two basic interfaces 23, five expansion interfaces 24 and sync caps 25 in the embodiment of the invention.In five expansion interfaces 24, four expansion interfaces are the SFP connector, and wherein two is the 1000Base-SX interface, and two is the FC interface, and the another one expansion interface is a SAS JBOD connector, is the SAS interface; Two basic interfaces 23 are the RJ45 connector, are the 1000Base-T interface; A sync cap 25 is the RJ45 connector, is the 100Base-TX interface.
The veneer to be measured that can insert single-board slot comprises ATCA Node Board and ATCA switching board.
When a kind of ATCA testing backboard that provides when the embodiment of the invention is used to test the ATCA Node Board, described single-board slot 21 is Node Board groove position, and then described ATCA testing backboard comprises: Node Board groove position 21, shelf management board slot position 22 and more than one external interface.Node Board groove position 21 is provided with the ZD connector in Zone 2 zones, this ZD connector is connected with described external interface by the backboard cabling.The type of the external interface on the ATCA testing backboard and number are identical with the type and the number of the built-in interface of Node Board to be measured.
When a kind of ATCA testing backboard that provides when the embodiment of the invention is used to test the ATCA switching board, described single-board slot 21 is switching board groove position, and then described ATCA testing backboard comprises: switching board groove position 21, shelf management board slot position 22 and more than one external interface.Node Board groove position 21 is provided with the ZD connector in Zone 2 zones, this ZD connector is connected with described external interface by the backboard cabling.The type of the external interface on the ATCA testing backboard and number are identical with the type and the number of the built-in interface of switching board to be measured.
Testing backboard in the present embodiment, increase by one group with the veneer built-in interface corresponding, can with the direct-connected external interface of external test facility, by the backboard cabling this external interface is linked to each other with the connector of single-board slot.After veneer to be measured inserted single-board slot, external interface passed through the corresponding connection of connector with the built-in interface of veneer to be measured.By communicating by letter between the built-in interface of external interface and veneer to be measured, thereby reach the purpose of testing inner interface capability.
Preferable, provide supply socket and mains switch on the ATCA testing backboard that the embodiment of the invention provides.The Shelf Management Module that inserts Shelf Management Module groove position powers on to the business module of the veneer to be measured that inserts single-board slot by software and descend electric control.Mains switch then is used to control the powering on and down of administration module of Shelf Management Module and veneer to be measured.Mains switch make to each groove position veneer power on and the control of electricity is more flexible down.Here, the business module of veneer to be measured can be realized the processing of business datum, and the administration module of veneer to be measured can be realized control and the monitoring to the power-on and power-off of veneer to be measured and temperature, power supply, voltage etc.
Referring to Fig. 3, the ATCA testing backboard that the embodiment of the invention provides can additional fixation device, described ATCA testing backboard 31 is placed perpendicular to a plane (such as desktop), at the end of ATCA testing backboard 31 (Bottom) face, be the one side that the ATCA testing backboard does not have single-board slot and shelf management board slot position, fixture 32 is installed.Described fixture is used for described ATCA testing backboard is fixed on described plane.This fixture 32 can be Handle Bar, also can be the wedge shape fixture.Veneer 33 is parallel to the plane with Shelf Management Module 34 and inserts single-board slot and the shelf management board slot position that is positioned at ATCA testing backboard 31 end faces bottom respectively.By the fixing ATCA testing backboard 31 of described Handle Bar, by the weight of planar support ATCA testing backboard 31, veneer 33 and Shelf Management Module 34.
The ATCA testing backboard that uses the embodiment of the invention to provide is tested ATCA Node Board and ATCA switching board, can effectively reduce the testing cost of ATCA Node Board and ATCA switching board, has improved the efficient of test.
The embodiment of the invention provides a kind of ATCA single-board testing method, in this method, uses described ATCA testing backboard to test.Concrete method of testing is as follows:
Step 401: veneer to be measured is inserted in the single-board slot of ATCA testing backboard, Shelf Management Module is inserted in the shelf management board slot position of described ATCA testing backboard; Testing equipment is connected with an external interface of ATCA testing backboard, and this external interface is the corresponding interface of built-in interface to be measured with described veneer to be measured;
Step 402: Shelf Management Module indicates veneer to be measured to send test packet by to veneer transmitting order to lower levels to be measured, and veneer to be measured sends test packet from built-in interface to be measured to testing equipment;
Step 403: veneer to be measured is judged the performance of built-in interface to be measured by the test packet that whether receives testing equipment and send.
Concrete, when test ATCA Node Board, ATCA Node Board to be measured is inserted the single-board slot of described ATCA testing backboard, Shelf Management Module is inserted the shelf management board slot position of described ATCA testing backboard, at this moment, the external interface on the ATCA testing backboard is connected with the built-in interface of ATCA Node Board is corresponding by the ZD connector in backboard cabling and Zone 2 zones.Also need the external interface of testing equipment with the ATCA testing backboard is connected, the built-in interface to be measured of this external interface and ATCA Node Board is connected.Under this annexation, the trend of test packet is: the ATCA Node Board sends test packet from its built-in interface to be measured, and the test packet that sends is transferred to the testing equipment that is connected with external interface by backboard cabling, external interface; Testing equipment is walked alignment ATCA Node Board with the test packet that receives by external interface, backboard again and is sent test packet.
During test, supply socket and mains switch by the ATCA testing backboard, Shelf Management Module and ATCA Node Board to be measured are powered on, the ATCA Node Board sends test packet from built-in interface to be measured, and this test packet is transferred to testing equipment by backboard cabling and this external interface that correspondence connects built-in interface to be measured and external interface; After testing equipment receives this test packet, the built-in interface transmission test packet to be measured of walking alignment ATCA Node Board by the external interface that links to each other with self and the corresponding backboard that is connected this external interface and built-in interface to be measured, at this moment, if the ATCA Node Board receives this test packet from built-in interface to be measured, then the built-in interface to be measured of ATCA Node Board is a complete interface, otherwise the built-in interface to be measured of ATCA Node Board breaks down.
Equally, when test ATCA switching board, ATCA switching board to be measured is inserted the single-board slot of described ATCA testing backboard, Shelf Management Module is inserted the shelf management board slot position of described ATCA testing backboard, at this moment, the external interface on the ATCA testing backboard is connected with the built-in interface of ATCA switching board is corresponding by the ZD connector in backboard cabling and Zone 2 zones.Also need the external interface of testing equipment with the ATCA testing backboard is connected, the built-in interface to be measured of this external interface and ATCA switching board is connected.Under this annexation, the trend of test packet is: the ATCA switching board sends test packet from its built-in interface to be measured, and the test packet that sends is transferred to the testing equipment that is connected with external interface by backboard cabling, external interface; Testing equipment is walked alignment ATCA switching board with the test packet that receives by external interface, backboard again and is sent test packet.
During test, supply socket and mains switch by the ATCA testing backboard, Shelf Management Module and ATCA switching board to be measured are powered on, the ATCA switching board sends test packet from built-in interface to be measured, this test packet is transferred to testing equipment by backboard cabling and this external interface that correspondence connects built-in interface to be measured and external interface, when testing equipment receives this test packet, the built-in interface transmission test packet to be measured of walking alignment ATCA switching board by the external interface that links to each other with self and the corresponding backboard that is connected this external interface and built-in interface to be measured, at this moment, if the ATCA switching board receives this test packet from built-in interface to be measured, then the built-in interface to be measured of ATCA switching board is a complete interface, otherwise the built-in interface to be measured of ATCA switching board breaks down.
This shows, the ATCA testing backboard that the embodiment of the invention provides, increase by one group with the veneer built-in interface corresponding, can with the direct-connected external interface of external test facility, by the backboard cabling connector of this external interface with the groove position linked to each other.After veneer to be measured inserted single-board slot, external interface passed through the corresponding connection of connector with the built-in interface of veneer to be measured, by communicating by letter between the built-in interface of external interface and veneer to be measured, thereby reached the purpose of testing inner interface capability.When test ATCA Node Board or ATCA switching board, only need ATCA Node Board to be measured or ATCA switching board are inserted in the single-board slot of ATCA testing backboard, and testing equipment is connected with corresponding external interface, promptly can finish test, and need not finish test by ATCA switching board or ATCA Node Board to ATCA Node Board or ATCA switching board, reduce the space of shared ATCA testing backboard, improved testing efficiency, reduced testing cost.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (9)
1, a kind of advanced telecom computer framework ATCA testing backboard is characterized in that described ATCA testing backboard comprises:
Single-board slot is used to connect veneer to be measured, and described veneer to be measured comprises built-in interface, and described built-in interface is connected with described single-board slot;
At least one external interface, described external interface is corresponding one by one with the built-in interface of described veneer to be measured, and is connected with single-board slot by the backboard cabling, and described external interface is used to connect testing equipment.
2, ATCA testing backboard according to claim 1 is characterized in that, described veneer to be measured comprises ATCA Node Board and ATCA switching board.
3, ATCA testing backboard according to claim 1, it is characterized in that, described ATCA testing backboard further comprises shelf management board slot position, this shelf management board slot position is connected with described single-board slot, and the Shelf Management Module that inserts this shelf management board slot position powers on to the business module of described veneer to be measured and descends the control of electricity.
4, ATCA testing backboard according to claim 3, it is characterized in that, described ATCA testing backboard further comprises supply module, this supply module comprises supply socket and mains switch, and described mains switch is used to control the powering on and down of administration module of described Shelf Management Module and described veneer to be measured.
5, ATCA testing backboard according to claim 1 is characterized in that, described external interface and described built-in interface comprise sync cap, basic interface or expansion interface, and described external interface is identical with the type of its corresponding built-in interface.
6, a kind of advanced telecom computer framework ATCA single-board testing method is characterized in that this method may further comprise the steps:
Veneer to be measured sends test packet by built-in interface to be measured;
This test packet is transferred to testing equipment by backboard cabling and this external interface that connects described built-in interface to be measured and external interface;
After described testing equipment receives this test packet, walk the built-in interface transmission test packet to be measured of the described veneer to be measured of alignment by external interface that links to each other with self and the backboard that is connected described built-in interface to be measured and this external interface;
Described veneer to be measured receives the performance that test packet that described testing equipment sends is judged described built-in interface to be measured by whether from built-in interface to be measured.
7, method according to claim 6 is characterized in that, described veneer to be measured comprises ATCA Node Board and ATCA switching board.
8, a kind of advanced telecom computer framework ATCA testing equipment is characterized in that described ATCA testing equipment comprises ATCA testing backboard and fixture, wherein:
Described ATCA testing backboard comprises: single-board slot, be used to connect veneer to be measured, and described veneer to be measured comprises built-in interface, described built-in interface is connected with described single-board slot; At least one external interface, described external interface is corresponding one by one with the built-in interface of described veneer to be measured, and is connected with single-board slot by the backboard cabling, and described external interface is used to connect testing equipment;
Fixture is used for described ATCA testing backboard is vertically fixed on a plane.
9, equipment according to claim 8 is characterized in that, described fixture comprises Handle Bar or wedge shape fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101058974A CN101068369B (en) | 2007-06-01 | 2007-06-01 | Test back plate and single plate testing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101058974A CN101068369B (en) | 2007-06-01 | 2007-06-01 | Test back plate and single plate testing method |
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| CN101068369A true CN101068369A (en) | 2007-11-07 |
| CN101068369B CN101068369B (en) | 2010-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007101058974A Expired - Fee Related CN101068369B (en) | 2007-06-01 | 2007-06-01 | Test back plate and single plate testing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101834679A (en) * | 2010-04-26 | 2010-09-15 | 福建星网锐捷网络有限公司 | Port test method, device and system |
| CN101562547B (en) * | 2009-05-05 | 2011-03-30 | 西安新邮通信设备有限公司 | ATCA-framework-based method for testing single plate hardware circuit |
| CN101257414B (en) * | 2008-02-29 | 2011-09-14 | 福建星网锐捷网络有限公司 | Method and apparatus for testing module |
| CN101593903B (en) * | 2009-06-17 | 2011-09-21 | 中兴通讯股份有限公司 | Test backboard, backboard-based loading method and backboard-based testing method |
| CN102333032A (en) * | 2011-09-15 | 2012-01-25 | 中兴通讯股份有限公司 | Advanced telecom computing architecture (ATCA) back insert veneer, back plate and ATCA system |
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| CN2845326Y (en) * | 2005-11-14 | 2006-12-06 | 华为技术有限公司 | ATCA backboard and exchange monolithic connected therewith and system |
| CN100507585C (en) * | 2006-08-24 | 2009-07-01 | 华为技术有限公司 | Method and system for detecting single-plate on position |
| CN100440805C (en) * | 2006-11-06 | 2008-12-03 | 华为技术有限公司 | Method and system for remote-maintaining JTAG device in ATCA |
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- 2007-06-01 CN CN2007101058974A patent/CN101068369B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101257414B (en) * | 2008-02-29 | 2011-09-14 | 福建星网锐捷网络有限公司 | Method and apparatus for testing module |
| CN101562547B (en) * | 2009-05-05 | 2011-03-30 | 西安新邮通信设备有限公司 | ATCA-framework-based method for testing single plate hardware circuit |
| CN101593903B (en) * | 2009-06-17 | 2011-09-21 | 中兴通讯股份有限公司 | Test backboard, backboard-based loading method and backboard-based testing method |
| CN101834679A (en) * | 2010-04-26 | 2010-09-15 | 福建星网锐捷网络有限公司 | Port test method, device and system |
| CN101834679B (en) * | 2010-04-26 | 2014-08-27 | 福建星网锐捷网络有限公司 | Port test method, device and system |
| CN102333032A (en) * | 2011-09-15 | 2012-01-25 | 中兴通讯股份有限公司 | Advanced telecom computing architecture (ATCA) back insert veneer, back plate and ATCA system |
| WO2012151989A1 (en) * | 2011-09-15 | 2012-11-15 | 中兴通讯股份有限公司 | Atca rear board and backplane as well as atca system |
| CN103326794A (en) * | 2013-05-16 | 2013-09-25 | 太仓市同维电子有限公司 | Adjusting method for home gateway communication terminal failing to pass radiated emission disturbance test |
| CN106294049A (en) * | 2016-08-26 | 2017-01-04 | 天津市英贝特航天科技有限公司 | A kind of 6U VPX computer motherboard electric interfaces global function test base plate |
| CN109633414A (en) * | 2018-12-28 | 2019-04-16 | 武汉长光科技有限公司 | A kind of back plate testing device and method based on ATCA framework |
| CN109633414B (en) * | 2018-12-28 | 2021-06-15 | 武汉长光科技有限公司 | Backboard testing device and method based on ATCA (advanced telecom computing architecture) |
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| CN101068369B (en) | 2010-06-02 |
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