CN218071526U - Network card test circuit and test board - Google Patents

Network card test circuit and test board Download PDF

Info

Publication number
CN218071526U
CN218071526U CN202220818737.4U CN202220818737U CN218071526U CN 218071526 U CN218071526 U CN 218071526U CN 202220818737 U CN202220818737 U CN 202220818737U CN 218071526 U CN218071526 U CN 218071526U
Authority
CN
China
Prior art keywords
network card
output voltage
mainboard
module
signal
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.)
Active
Application number
CN202220818737.4U
Other languages
Chinese (zh)
Inventor
陈五四
陈佳荣
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.)
SHENZHEN BITLAND INFORMATION TECHNOLOGY CO LTD
Original Assignee
SHENZHEN BITLAND INFORMATION TECHNOLOGY 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 SHENZHEN BITLAND INFORMATION TECHNOLOGY CO LTD filed Critical SHENZHEN BITLAND INFORMATION TECHNOLOGY CO LTD
Priority to CN202220818737.4U priority Critical patent/CN218071526U/en
Application granted granted Critical
Publication of CN218071526U publication Critical patent/CN218071526U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Test And Diagnosis Of Digital Computers (AREA)

Abstract

The utility model provides a network card test circuit and test board, which relates to the technical field of computer network, and is respectively connected with a mainboard and a network card, comprises a power management module, is connected with the mainboard, and filters a first output voltage and a second output voltage output by the mainboard to obtain a first output voltage after filtering and a second output voltage after filtering; the signal conversion module is respectively connected with the power management module and the mainboard, works according to the filtered first output voltage, converts an initial high-speed serial signal output by the mainboard into a target high-speed serial signal, and receives a clock source signal output by the mainboard; and the network card interface module is respectively connected with the power management module, the signal conversion module and the network card and used for sending the filtered second output voltage, the filtered target high-speed serial signal and the filtered clock source signal to the network card. The utility model discloses a network card test circuit and survey test panel and carry out the network card test, solved the network card testing process, many times the plug action leads to the technical problem that the computer slot damaged.

Description

Network card test circuit and test board
Technical Field
The utility model relates to a computer network technical field especially relates to a network card test circuit and survey test panel.
Background
In the related technology, the network card connected by the board to the board is matched with the mini computer host for use, so in the production process of the network card, the mini computer host is required to be used for carrying out performance test on the network card in the stage of network card test; however, in the process of testing the network card, multiple plugging and unplugging actions are required, which easily causes the slot of the mini computer host to be damaged, and leads to the failure of the test.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at: a network card test circuit and test board are provided to solve the technical problem of mini computer host slot damage caused by multiple plugging and unplugging actions in the network card test process.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
in a first aspect, the utility model provides a network card test circuit, network card test circuit are connected with mainboard and network card respectively, and network card test circuit includes:
the power management module is connected with the mainboard and used for filtering the first output voltage and the second output voltage output by the mainboard to obtain a filtered first output voltage and a filtered second output voltage;
the signal conversion module is respectively connected with the power management module and the mainboard and used for working according to the filtered first output voltage, converting the initial high-speed serial signal output by the mainboard into a target high-speed serial signal and receiving a clock source signal output by the mainboard;
and the network card interface module is respectively connected with the power management module, the signal conversion module and the network card and is used for sending the filtered second output voltage, the filtered target high-speed serial signal and the filtered clock source signal to the network card.
Optionally, the network card testing circuit further includes:
and the mainboard interface module is respectively connected with the mainboard, the power management module and the signal conversion module and used for sending the first output voltage and the second output voltage output by the mainboard to the power management module and sending the initial high-speed serial signal and the clock source signal output by the mainboard to the signal conversion module.
Optionally, the network card testing circuit further includes:
the clock cache module is respectively connected with the mainboard interface module, the power management module and the signal conversion module;
the power management module is further used for filtering the third output voltage output by the mainboard to obtain a filtered third output voltage;
the clock cache module is used for working according to the filtered third output voltage, carrying out frequency replication on a clock source signal and outputting a clock signal;
and the signal conversion module is also used for receiving a clock signal.
Optionally, the network card interface module includes a plurality of network card interfaces;
the signal conversion module is also used for converting the initial high-speed serial signal into a plurality of paths of target high-speed serial signals;
the clock buffer module is also used for carrying out frequency replication on the clock source signal and outputting a plurality of paths of clock signals;
and the network card interface is respectively connected with the signal conversion module, the power management module and the network card and is used for sending the filtered second output voltage, one path of target high-speed serial signal and one path of clock signal to the network card.
Optionally, the clock buffer module comprises a clock buffer.
Optionally, the clock buffer employs SI53159.
Optionally, the network card interface adopts a board-to-board connector, and the motherboard interface adopts a gold finger.
Optionally, the signal conversion module includes a signal conversion chip.
Optionally, the signal conversion chip employs a chip ASM2806.
On the other hand, the utility model provides a network card surveys test panel, the network card surveys test panel and includes:
the network card test circuit of any one of the above;
the circuit board and the network card test circuit are arranged on the circuit board.
The utility model provides a network card test circuit and test panel, be connected with the mainboard through power management module, first output voltage and the second output voltage filtering to mainboard output, obtain first output voltage after the filtration and the second output voltage after the filtration, through signal conversion module respectively with power management module and mainboard connection, work according to the first output voltage after the filtration, convert the initial high-speed serial signal of mainboard output into target high-speed serial signal, and receive the clock source signal of mainboard output, respectively with power management module through network card interface module, signal conversion module and network card are connected, second output voltage after the filtration, target high-speed serial signal and clock source signal send the network card, the bridge of network card slot and mainboard has been found, do not directly peg graft the mainboard of computer host with the mini-computer, carry out the capability test to the network card, the plug action to the mainboard slot has been reduced, the network card test in-process has been solved, many times plug action leads to the technical problem that mini computer host slot damaged, the computer host has been avoided many times plug action damage, the efficiency of testing has been improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic connection diagram of a first embodiment of the network card testing circuit of the present invention;
fig. 2 is a schematic connection diagram of a second embodiment of the network card testing circuit of the present invention;
fig. 3 is a schematic connection diagram of the third embodiment of the network card testing circuit of the present invention;
fig. 4 is a schematic circuit diagram of a third embodiment of the network card testing circuit of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It is to be noted that, in the present invention, the terms "comprises", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion, so that an apparatus or system including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such apparatus or system. Without further limitation, an element defined by the phrases "comprising 8230; \8230;" comprise 8230; "does not exclude the presence of additional like elements in a device or system comprising the element.
In addition, in the present invention, unless otherwise explicitly stated or limited, the terms "connected" and "fixed" and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral body; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
In the present invention, suffixes such as "module", "part", or "unit" used to indicate elements are used only for facilitating the description of the present invention, and have no particular meaning by themselves. Thus, "module", "component" or "unit" may be used mixedly. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. In addition, the technical solutions of the respective embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
In the prior art, in the testing stage of the network card product, since the BTB (board to board connectors) network card itself is used in combination with a Tiny host (mini-computer host), the Tiny host needs to be used during testing. When the product is tested, a plurality of Tiny host machines need to be provided, and the plugging and unplugging actions are needed for a plurality of times, so that the slots of the whole machine are easy to damage, the test cannot be carried out, and the installation is inconvenient due to the structure, thereby greatly influencing the test efficiency.
In view of in the current network card test process, many times the plug action leads to the technical problem that mini computer slot damaged, the utility model provides a network card test circuit, the general thinking as follows:
the circuit is connected with mainboard and network card respectively, and the circuit includes:
the power management module is connected with the mainboard and used for filtering the first output voltage and the second output voltage output by the mainboard to obtain a filtered first output voltage and a filtered second output voltage;
the signal conversion module is respectively connected with the power management module and the mainboard and used for working according to the filtered first output voltage, converting the initial high-speed serial signal output by the mainboard into a target high-speed serial signal and receiving a clock source signal output by the mainboard;
and the network card interface module is respectively connected with the power management module, the signal conversion module and the network card and is used for sending the filtered second output voltage, the filtered target high-speed serial signal and the filtered clock source signal to the network card.
The utility model provides a network card test circuit, through power management module and mainboard connection, first output voltage and the second output voltage filtering to mainboard output, obtain first output voltage after the filtration and the second output voltage after the filtration, through signal conversion module respectively with power management module and mainboard connection, work according to the first output voltage after the filtration, convert the initial high-speed serial signal of mainboard output into target high-speed serial signal, and receive the clock source signal of mainboard output, through network card interface module respectively with power management module, signal conversion module and network card connection, second output voltage source after with the filtration, target high-speed serial signal and network card signal transmission, the bridge of network card slot and mainboard has been found, do not directly peg graft the network card on the mainboard of mini computer, carry out performance test to the network card, the plug action to the mainboard slot has been reduced, the network card test in-process has been solved, many times of plug action leads to the technical problem that computer slot damages, avoid many times plug action to damage computer, the efficiency of testing is improved.
The network card testing circuit of the present invention is described in detail with reference to the accompanying drawings and the detailed description below.
Example one
Referring to fig. 1, fig. 1 is the utility model discloses the connection schematic diagram of the first embodiment of network card test circuit, this embodiment provide a network card test circuit, and the circuit is connected with mainboard and network card respectively, and the circuit includes:
the power management module is connected with the mainboard and used for filtering the first output voltage and the second output voltage output by the mainboard to obtain a filtered first output voltage and a filtered second output voltage;
the signal conversion module is respectively connected with the power management module and the mainboard and used for working according to the filtered first output voltage, converting the initial high-speed serial signal output by the mainboard into a target high-speed serial signal and receiving a clock source signal output by the mainboard;
and the network card interface module is respectively connected with the power management module, the signal conversion module and the network card and is used for sending the filtered second output voltage, the filtered target high-speed serial signal and the filtered clock source signal to the network card.
In this embodiment, the motherboard may be a motherboard of a Tiny host, the network card may be a BTB network card, the initial high-speed serial signal may be a PCIE X4 signal, the target high-speed serial signal may be a PCIE X1 signal, and the conversion module may disperse the PCIE X4 signal output by the motherboard into PCIE X1 signals.
In the specific implementation, the power management module is connected with the mainboard, the first output voltage and the second output voltage output by the mainboard are filtered to obtain the first output voltage after filtering and the second output voltage after filtering, the signal conversion module is respectively connected with the power management module and the mainboard, the power management module and the mainboard work according to the first output voltage after filtering, the initial high-speed serial signal output by the mainboard is converted into a target high-speed serial signal, the clock source signal output by the mainboard is received, the network card interface module is respectively connected with the power management module, the signal conversion module and the network card, and the second output voltage after filtering, the target high-speed serial signal and the clock source signal are sent to the network card.
The embodiment provides a network card test circuit, which is connected with a mainboard through a power management module, filters a first output voltage and a second output voltage output by the mainboard to obtain a filtered first output voltage and a filtered second output voltage, is respectively connected with the power management module and the mainboard through a signal conversion module, works according to the filtered first output voltage, converts an initial high-speed serial signal output by the mainboard into a target high-speed serial signal, receives a clock source signal output by the mainboard, and is respectively connected with the power management module, the signal conversion module and a network card through a network card interface module.
Example two
Referring to fig. 2 and fig. 2 are schematic connection diagrams of a second embodiment of the network card testing circuit of the present invention, on the basis of the first embodiment, the network card testing circuit further includes:
and the mainboard interface module is respectively connected with the mainboard, the power management module and the signal conversion module and used for sending the first output voltage and the second output voltage output by the mainboard to the power management module and sending the initial high-speed serial signal and the clock source signal output by the mainboard to the signal conversion module.
In the specific implementation, the mainboard interface module is respectively connected with the mainboard, the power management module and the signal conversion module, the first output voltage and the second output voltage output by the mainboard are sent to the power management module, and the initial high-speed serial signal and the clock source signal output by the mainboard are sent to the signal conversion module.
The embodiment provides a network card test circuit, acquires the signal from the mainboard through the mainboard interface module, sends the signal that acquires to power management module and signal conversion module respectively, when making the network card test through mainboard interface module, need not use specific computer to carry out the network card test, can use more general and convenient computer to test the network card, has improved the commonality of network card test.
EXAMPLE III
Referring to fig. 3 to fig. 4, fig. 3 is a schematic connection diagram of a third embodiment of the network card testing circuit of the present invention, fig. 4 is a schematic circuit diagram of the third embodiment of the network card testing circuit of the present invention, and on the basis of any one of the first embodiment or the second embodiment, the network card testing circuit further includes:
the clock cache module is respectively connected with the mainboard interface module, the power management module and the signal conversion module;
the power management module is further used for filtering the third output voltage output by the mainboard to obtain a filtered third output voltage;
the clock cache module is used for working according to the filtered third output voltage, carrying out frequency replication on a clock source signal and outputting a clock signal;
and the signal conversion module is also used for receiving a clock signal.
In this embodiment, the motherboard interface module is connected to the motherboard and the power management module, and is further configured to send a third output voltage output by the motherboard to the power management module.
In the specific implementation, the third output voltage output by the motherboard is filtered through the power management module, or the third output voltage is connected with the motherboard interface module through the power management module, the third output voltage sent by the motherboard interface module is filtered to obtain the filtered third output voltage, the filtered third output voltage is respectively connected with the motherboard interface module, the power management module and the signal conversion module through the clock cache module, the clock source signal is subjected to frequency copying according to the operation of the filtered third output voltage, and the clock signal is output.
Specifically, the network card interface module comprises a plurality of network card interfaces;
the signal conversion module is also used for converting the initial high-speed serial signal into a plurality of paths of target high-speed serial signals;
the clock buffer module is also used for carrying out frequency replication on the clock source signal and outputting a plurality of paths of clock signals;
and the network card interface is respectively connected with the signal conversion module, the power management module and the network card and is used for sending the filtered second output voltage, one path of target high-speed serial signal and one path of clock signal to the network card.
In this embodiment, the number of the network card interfaces may be set according to actual needs, as shown in fig. 4, and the embodiment is described in detail by setting 4 network card interfaces in the network card interface module.
In the specific implementation, the power management module is connected with the mainboard, the first output voltage, the second output voltage and the third output voltage output by the mainboard are filtered to obtain a filtered first output voltage, a filtered second output voltage and a filtered third output voltage, the first output voltage, the filtered second output voltage and the filtered third output voltage are respectively connected with the mainboard interface module, the power management module and the signal conversion module through the clock cache module, the clock source signal is subjected to frequency copying according to the working of the filtered third output voltage to output a plurality of paths of clock signals, the clock signals are respectively connected with the power management module and the mainboard through the signal conversion module, the initial high-speed serial signal output by the mainboard is converted into a plurality of paths of target high-speed serial signals according to the working of the filtered first output voltage, the plurality of paths of clock signals are received, the network card interface is respectively connected with the power management module, the signal conversion module and the network card, and the filtered second output voltage, the plurality of paths of target high-speed serial signals and the one path of clock signals are sent to the corresponding network card.
Specifically, the clock buffer module includes a clock buffer.
Specifically, as shown in fig. 4, the clock buffer employs SI53159.
In this embodiment, the filtered third output voltage may be 3.3V, the clock buffer SI53159 may generate four clock signals by frequency copying one clock source signal, and the chip ASM2806 may also receive the clock signal output by the clock buffer module, and directly forward the clock signal to the network card interface module without any processing.
In specific implementation, the clock buffer SI53159 is respectively connected to the motherboard interface module and the power management module, and operates according to the filtered third output voltage, frequency copies the clock source signal output by the motherboard, outputs four clock signals, and is connected to the clock buffer SI53159 through the chip ASM2806, and receives the four clock signals output by the clock buffer SI53159.
Specifically, as shown in fig. 4, the network card interface adopts a board-to-board connector PCIE X1, and the motherboard interface adopts a gold finger PCIE X4.
In specific implementation, the golden finger PCIE X4 is connected to the motherboard, the power management module, and the chip ASM2806, the first output voltage and the second output voltage output by the motherboard are sent to the power management module, the initial high-speed serial signal output by the motherboard is sent to the chip ASM2806, the board-to-board connector PCIE X1 is connected to the power management module, the chip ASM2806, and the network card, and the filtered second output voltage, one path of target high-speed serial signal, and one path of clock signal are sent to the network card.
Specifically, the signal conversion module comprises a signal conversion chip.
Specifically, as shown in fig. 4, the signal conversion chip employs a chip ASM2806.
In this embodiment, the filtered first output voltage may be 3.3V or 1.05V, the filtered second output voltage may be 12V, 5V, or 3.3V, and the chip ASM2806 may disperse a set of PCIE X4 signals into four sets of PCIE X1 signals.
Specifically, as shown in fig. 4, the power management module U1 may be a power management chip, and may filter the output voltage output by the motherboard and send the filtered output voltage to the corresponding functional modules respectively; duplex communication can be realized between the mainboard and the chip ASM2806 and between the chip ASM2806 and the network card.
In specific implementation, the chip ASM2806 is connected to the power management module and the motherboard interface module, respectively, and operates according to the filtered first output voltage to convert the initial high-speed serial signal output by the motherboard into four target high-speed serial signals.
In the embodiment, the four board-to-board connectors PCIE X1 are connected to the network card, and the four network cards are tested at the same time, so that the efficiency of the network card test is improved.
In this embodiment, the second output voltage output by the motherboard is output to the network card slot through the power management module to provide power for the active ethernet card, so as to implement the test on the active ethernet card, and also enable a universal test on a non-active ethernet card.
Example four
On the basis of any one of the first to third embodiments, this embodiment provides a network card testing board, including:
the network card test circuit according to any one of the first to third embodiments;
the circuit board and the network card test circuit are arranged on the circuit board.
It should be noted that, in the specific structure of the network card test circuit in this embodiment, reference is made to any one of the first embodiment to the third embodiment, and since this embodiment adopts all technical solutions of all the embodiments, at least all beneficial effects brought by the technical solutions of the embodiments are achieved, and details are not repeated here.
The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims (10)

1. The utility model provides a network card test circuit, network card test circuit is connected with mainboard and network card respectively, its characterized in that, network card test circuit includes:
the power management module is connected with the mainboard and used for filtering the first output voltage and the second output voltage output by the mainboard to obtain a filtered first output voltage and a filtered second output voltage;
the signal conversion module is respectively connected with the power management module and the mainboard and used for converting an initial high-speed serial signal output by the mainboard into a target high-speed serial signal according to the filtered first output voltage and receiving a clock source signal output by the mainboard;
and the network card interface module is respectively connected with the power management module, the signal conversion module and the network card and is used for sending the filtered second output voltage, the target high-speed serial signal and the clock source signal to the network card.
2. The network card test circuit of claim 1, wherein the network card test circuit further comprises:
and the mainboard interface module is respectively connected with the mainboard, the power management module and the signal conversion module, and is used for sending the first output voltage and the second output voltage output by the mainboard to the power management module and sending the initial high-speed serial signal and the clock source signal output by the mainboard to the signal conversion module.
3. The network card test circuit of claim 1, wherein the network card test circuit further comprises:
the clock cache module is respectively connected with the mainboard interface module, the power management module and the signal conversion module;
the power management module is further configured to filter a third output voltage output by the motherboard to obtain a filtered third output voltage;
the clock cache module is used for working according to the filtered third output voltage, performing frequency replication on the clock source signal and outputting a clock signal;
the signal conversion module is further configured to receive the clock signal.
4. The network card testing circuit of claim 3, wherein the network card interface module comprises a plurality of network card interfaces;
the signal conversion module is also used for converting the initial high-speed serial signal into a plurality of paths of target high-speed serial signals;
the clock buffer module is also used for carrying out frequency replication on the clock source signal and outputting a plurality of paths of clock signals;
and the network card interface is respectively connected with the signal conversion module, the power management module and the network card and is used for sending the filtered second output voltage, one path of target high-speed serial signals and one path of clock signals to the network card.
5. The network card test circuit of claim 3, wherein the clock buffer module comprises a clock buffer.
6. The network card test circuit of claim 5, wherein the clock buffer employs SI53159.
7. The network card testing circuit of claim 4, wherein the network card interface is a board-to-board connector, and the motherboard interface is a gold finger.
8. The network card test circuit of claim 1, wherein the signal conversion module comprises a signal conversion chip.
9. The network card test circuit of claim 8, wherein the signal conversion chip is an ASM2806 chip.
10. A network card testing board, characterized in that, the network card testing board includes:
the network card test circuit of any one of claims 1-9;
the network card test circuit is arranged on the circuit board.
CN202220818737.4U 2022-04-08 2022-04-08 Network card test circuit and test board Active CN218071526U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220818737.4U CN218071526U (en) 2022-04-08 2022-04-08 Network card test circuit and test board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220818737.4U CN218071526U (en) 2022-04-08 2022-04-08 Network card test circuit and test board

Publications (1)

Publication Number Publication Date
CN218071526U true CN218071526U (en) 2022-12-16

Family

ID=84415839

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220818737.4U Active CN218071526U (en) 2022-04-08 2022-04-08 Network card test circuit and test board

Country Status (1)

Country Link
CN (1) CN218071526U (en)

Similar Documents

Publication Publication Date Title
CN109856522B (en) Test board and test system
KR101220464B1 (en) Express interface apparatus using optical connection
US7554351B2 (en) Chip burning system for burning chips of motherboard
CN101777033A (en) Storage card extension device
CN218071526U (en) Network card test circuit and test board
CN110278032B (en) PCIe data transmission device and method based on optical fiber
CN102411528A (en) MXM (Mobile PCI-Express Module)-interface testing-connecting card and testing system provided with same
CN218647390U (en) Interface expansion board card
CN111650537B (en) Auxiliary detection circuit, device, main board and terminal equipment
CN210442802U (en) Ten-channel Kintex UltraScale acquisition and processing system
CN102221650B (en) Testing module for adapter element
CN209132718U (en) A kind of power supply jig of standard PCIE subcard and OCP subcard
CN113176432A (en) Fuel cell voltage inspection device
CN112615739A (en) Method and system for adapting OCP3.0 network card in multi-host application environment
CN220067447U (en) OCP network card and electronic equipment
CN213990680U (en) Module connecting device and wireless communication test system
CN220440845U (en) Service port expansion board card based on ATCA architecture
CN110119371B (en) High-density server management network device and system
TWI763542B (en) Board-to-board connecting system
CN215006630U (en) Clock trigger board, device and system for PCIe rate switching
CN219105477U (en) Bus switching device
CN215219002U (en) Automatic identification circuit for OTG equipment mode
CN220604008U (en) Communication interface conversion device
CN217112493U (en) Voltage signal acquisition system
CN219799583U (en) Current monitoring system, device and imaging system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant