CN110460492B - Device and method for simultaneously testing OCPA (optical chip amplifier) and OCPC (optical chip PC) network cards - Google Patents
Device and method for simultaneously testing OCPA (optical chip amplifier) and OCPC (optical chip PC) network cards Download PDFInfo
- Publication number
- CN110460492B CN110460492B CN201910630236.6A CN201910630236A CN110460492B CN 110460492 B CN110460492 B CN 110460492B CN 201910630236 A CN201910630236 A CN 201910630236A CN 110460492 B CN110460492 B CN 110460492B
- Authority
- CN
- China
- Prior art keywords
- ocpc
- ocpa
- network card
- connector
- clamping plate
- 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
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000003287 optical effect Effects 0.000 title abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- XQVCBOLNTSUFGD-UHFFFAOYSA-N 3-chloro-4-methoxyaniline Chemical compound COC1=CC=C(N)C=C1Cl XQVCBOLNTSUFGD-UHFFFAOYSA-N 0.000 claims 28
- 239000011229 interlayer Substances 0.000 claims 2
- 230000009286 beneficial effect Effects 0.000 abstract description 8
- 238000002405 diagnostic procedure Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000013522 software testing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
Abstract
The invention provides a device and a method for realizing simultaneous testing of OCPA (optical communications platform) and OCPC (optical communications network controller) network cards, belonging to the technical field of diagnostic testing. The technical scheme is as follows: including punch holder and lower plate, be provided with OCPA network card and OCPC network card between punch holder and the lower plate, the OCPA network card sets up in the punch holder bottom, the OCPC network card sets up on lower plate upper portion, the OCPA network card sets up on OCPC network card upper portion, be provided with OCPA trench connector between OCPA network card and the punch holder, be provided with OCPC trench connector between OCPC network card and the punch holder, be provided with trench switching cable between the OCPC trench connector, trench switching cable is half enclosed parcel between OCPC network card and punch holder. The invention has the beneficial effects that: the problem that the network card needs to be replaced after being powered off and restarted when the OCPA and OCPC network cards are diagnosed and tested by the mainboard is solved, and the testing efficiency is improved; the OCPA and OCPC network cards are connected with the mainboard in a plugging and separating mode, the plugging loss of the network card connector is reduced, and the testing cost is saved.
Description
Technical Field
The invention relates to the technical field of diagnostic test, in particular to a device and a method for realizing simultaneous test of OCPA (optical proximity correction) and OCPC (optical proximity correction) network cards.
Background
The OCP (open computer project) intermediate layer board card standard is an intermediate layer card standard formulated by OPC, and is used to expand PCIe network cards, serial port cards, and the like in a high-density server, and can be directly fastened to a motherboard for use. PCIe connectors of OCP middle layer board cards commonly used by high-end servers can be divided into three types of OCPA, OCPB and OCPC.
The design mode that OCPA and OCPC trench shared space are adopted to present mainboard mostly, and this kind of design mode is because of having the interference, and OCPA and OCPC network card can not insert the slot simultaneously, and when this had just led to the fact mainboard diagnostic test, the awkward situation that the network card just can cover these two trench was changed in the must outage, because of the outage switching on and shutting down simultaneously, had wasted test time, had increased test cost.
Disclosure of Invention
Aiming at the existing problems, the invention provides a device and a method for realizing the simultaneous test of the OCPA network card and the OCPC network card, which can ensure that the OCPA network card and the OCPC network card can be simultaneously inserted into the main board slot position and prevent the frequent plugging loss of the network card connector through switching, thereby overcoming the defect that the OCPA network card and the OCPC network card can not be simultaneously inserted into the slots.
The invention is realized by the following technical scheme: the utility model provides a realize device of OCPA, OCPC network card concurrent test, includes punch holder and lower plate, the punch holder with be provided with OCPA network card and OCPC network card between the lower plate, the OCPA network card sets up the punch holder bottom, the OCPC network card sets up lower plate upper portion, the OCPA network card sets up OCPC network card upper portion, the OCPA network card with be provided with OCPA trench connector between the punch holder, the OCPC network card with be provided with OCPC trench connector between the punch holder, be provided with trench switching cable between the OCPC trench connector, trench switching cable is half enclose the parcel and is in OCPC network card with between the punch holder.
The invention has the beneficial effects that: the problem of when mainboard diagnostic test OCPA, OCPC network card, need cut off the power supply and restart the change network card is solved, promoted the efficiency of software testing and with OCPA, OCPC network card and mainboard grafting separation, reduced network card connector plug loss, saved the test cost.
Further, the punch holder is door style of calligraphy, including left surface and right flank, be provided with left draw-in groove on the left surface terminal surface, be provided with right draw-in groove on the right flank terminal surface.
Adopt above-mentioned further beneficial effect: the punch holder is door style of calligraphy structure, and open-ended one side just adapts to the OCPA of different length, OCPC network card, and setting up of left draw-in groove and right draw-in groove provides fixed position for the female first connector of OCPA and the female first connector of OCPC.
Furthermore, an OCPA network card female head is fixedly arranged on the OCPA network card, and an OCPC network card female head is fixedly arranged on the OCPC network card.
Adopt above-mentioned further beneficial effect: the OCPA network card female head and the OCPC network card female head realize the switching function.
Further, OCPA trench connector includes female first connector of OCPA and the male first connector of OCPA, the female first connector of OCPA sets up in the draw-in groove of a left side, the female first connector of OCPA pegs graft with the male first connector of mainboard, the male first connector of OCPA sets up the back of punch-out plate, and with the female first grafting of OCPA network card, the male first connector of OCPA with the female first electricity of OCPA is connected.
Adopt above-mentioned further beneficial effect: OCPA trench connector realizes OCPA network card and mainboard OCPA connector trench switching.
Further, OCPC trench connector includes female first connector of OCPC and the male first connector of OCPC, female first connector of OCPC sets up in the draw-in groove of the right side, the male first connector of OCPC with the female first grafting of OCPC network card, the male first connector of OCPC with be provided with between the female first connector of OCPC trench switching cable.
Adopt above-mentioned further beneficial effect: the OCPC slot connector realizes the switching between the OCPC connector slot of the mainboard and the OCPC network card.
Furthermore, trench adapter cable one end with OCPC male connector connects, the other end with OCPC female connector connects.
Adopt above-mentioned further beneficial effect: slot position transit cable switching OCPC male connector and the female first connector of OCPA.
Furthermore, the upper clamp plate is connected with the lower clamp plate through bolts, and the OCPC network card and the OCPA network card are arranged on the bolts in a penetrating mode.
Adopt above-mentioned further beneficial effect: the bolt connection is convenient to detach and maintain.
A test method for using a device for realizing simultaneous test of OCPA and OCPC network cards comprises the following steps:
the method comprises the following steps: fixedly arranging a female head of an OCPA network card on the OCPA network card, and fixedly arranging a female head of an OCPC network card on the OCPC network card;
step two: fixing an OCPA female connector in the left clamping groove through a bolt, and meanwhile, arranging the OCPA male connector on the upper clamping plate on the back face of the left clamping groove;
step three: fixing the OCPC female connector in the right clamping groove through a bolt, and meanwhile, inserting the OCPC male connector and the OCPC network card female connector;
step four: covering an upper clamping plate on the upper part of the OCPA network card, padding a lower clamping plate at the bottom of the OCPC network card, and covering the OCPA network card on the upper part of the OCPC network card;
step five: fixing the upper clamping plate, the OCPA network card, the OCPC network card and the lower clamping plate together through bolts;
step six: and one end of the slot position adapter cable is connected with the OCPC male connector, and the other end of the slot position adapter cable is connected with the OCPC female connector.
Drawings
Fig. 1 is a schematic diagram of the structure of the OCPA network card of the present invention facing upward.
Fig. 2 is a schematic diagram of the explosive structure of the present invention.
Fig. 3 is a partially enlarged view of a portion a of fig. 2.
FIG. 4 is a schematic structural diagram of the upper clamping plate.
Fig. 5 is a schematic structural view of the lower clamping plate.
FIG. 6 is a schematic diagram of the structure of the OCPC network card facing upwards according to the present invention.
Wherein the reference numerals are: 1. an upper splint; 11. a left card slot; 12. a right card slot; 2. a lower splint; 3. An OCPA network card; 31. OCPA network card female head; 4. an OCPC network card; 41. OCPC network card mother head; 5. an OCPA slot connector; 51. an OCPA female connector; 52. an OCPA male connector; 6. an OCPC slot connector; 61. an OCPC female connector; 62. an OCPC male connector; 7. the slot is adapted to the cable.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
Referring to fig. 1 to 6, based on the problem that in the prior art, the design mode of the shared space of the OCPA and the OCPC slot interferes, the OCPA and the OCPC network card cannot be inserted into the slot at the same time, which causes the embarrassing situation that the two slots can be covered only by replacing the network card after power-off during the motherboard diagnosis test, and meanwhile, due to power-off and power-on, the test time is wasted, and the test cost is increased, the technical scheme of the present invention is developed.
The invention relates to a device for realizing simultaneous testing of OCPA (optical fiber cable) and OCPC (optical fiber cable) network cards, which comprises an upper clamping plate 1 and a lower clamping plate 2, wherein an OCPA network card 3 and an OCPC network card 4 are arranged between the upper clamping plate 1 and the lower clamping plate 2, the OCPA network card 3 is arranged at the bottom of the upper clamping plate 1, the OCPC network card 4 is arranged at the upper part of the lower clamping plate 2, the OCPA network card 3 is arranged at the upper part of the OCPC network card 4, an OCPA slot connector 5 is arranged between the OCPA network card 3 and the upper clamping plate 1, an OCPC slot connector 6 is arranged between the OCPC network card 4 and the upper clamping plate 1, a slot switching cable 7 is arranged between the OCPC slot connectors 6, and the slot switching cable 7 is wrapped between the OCPC.
The OCPA network card 3 and the OCPC network card 4 are fixed in a layered mode, the network card female head is turned out through the OCPA slot connector 5, the OCPC slot connector 6 and the slot switching cable 7, the position of the network card female head corresponds to the position of the mainboard male head, and the OCPA network card 3 and the OCPC network card 4 can be inserted at the same time.
The upper clamping plate 1 is in a door shape and comprises a left side face and a right side face, a left clamping groove 11 is formed in the end face of the left side face, and a right clamping groove 12 is formed in the end face of the right side face.
The punch holder is the door font, sets up OCPA trench connector 5 and OCPC trench connector 6 on the left surface and the right flank that are parallel to each other, separately the overall arrangement, and it is convenient to maintain.
Fixed OCPA network card 3 is gone up and is provided with female head 31 of OCPA network card, OCPA trench connector 5 includes female first connector 51 of OCPA and OCPA male connector 52, and female first connector 51 of OCPA sets up in left draw-in groove 11, and female first connector 51 of OCPA pegs graft with mainboard male connector, and OCPA male connector 52 sets up the back at punch-out board 1, and pegs graft with female first 31 of OCPA network card, and OCPA male connector 52 is connected with OCPA female first connector 51 electricity.
The OCPA male connector 52 is plugged with the OCPA network card female connector 31, and then the OCPA male connector 52 is connected with the OCPA female connector 51, which is equivalent to moving the OCPA network card female connector 31 up to the upper board card end face.
An OCPC network card female head 41 is fixedly arranged on the OCPC network card 4. OCPC trench connector 6 includes female connector 61 of OCPC and the male connector 62 of OCPC, and female connector 61 of OCPC sets up in right draw-in groove 12, and female connector 62 of OCPC pegs graft with female first 41 of OCPC network card, is provided with trench transit cable 7 between male connector 62 of OCPC and the female connector 61 of OCPC.
Slot position transit cable 7 one end is connected with OCPC male connector 62, and the other end is connected with OCPC female connector 61.
The upper clamping plate 1 is connected with the lower clamping plate 2 through bolts, and the OCPC network card 4 and the OCPA network card 3 are arranged on the bolts in a penetrating mode.
A test method for using a device for realizing simultaneous test of OCPA and OCPC network cards comprises the following steps:
the method comprises the following steps: the OCPA network card female head 31 is fixedly arranged on the OCPA network card 3, and the OCPC network card female head 41 is fixedly arranged on the OCPC network card 4;
step two: fixing an OCPA female connector 51 in the left card slot 11 through a bolt, and meanwhile, arranging an OCPA male connector 52 on the upper clamp plate 1 on the back surface of the left card slot 11;
step three: fixing an OCPC female connector 61 in the right card slot 12 through a bolt, and meanwhile, inserting an OCPC male connector 62 in the OCPC network card female 41;
step four: covering the upper clamping plate 1 on the upper part of the OCPA network card 3, padding the lower clamping plate 2 at the bottom of the OCPC network card 4, and covering the OCPA network card 3 on the upper part of the OCPC network card 4;
step five: fixing an upper clamping plate 1, an OCPA network card 3, an OCPC network card 4 and a lower clamping plate 2 together through bolts;
step six: one end of the slot transit cable 7 is connected with the OCPC male connector 62, and the other end of the slot transit cable is connected with the OCPC female connector 61.
The technical features of the present invention which are not described in the above embodiments may be implemented by or using the prior art, and are not described herein again, of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions or substitutions which may be made by those skilled in the art within the spirit and scope of the present invention should also fall within the protection scope of the present invention.
Claims (3)
1. The device for simultaneously testing the OCPA and OCPC network cards is characterized by comprising an upper clamping plate (1) and a lower clamping plate (2), wherein an OCPA network card (3) and an OCPC network card (4) are arranged between the upper clamping plate (1) and the lower clamping plate (2), the OCPA is an open computer project interlayer card connector A, the OCPC is an open computer project interlayer card connector B, the OCPA network card (3) is arranged at the bottom of the upper clamping plate (1), the OCPC network card (4) is arranged at the upper part of the lower clamping plate (2), the OCPA network card (3) is arranged at the upper part of the OCPC network card (4), an OCPA slot connector (5) is arranged between the OCPA network card (3) and the upper clamping plate (1), an OCPC connector (6) is arranged between the OCPC network card (4) and the upper clamping plate (1), a slot adapter cable (7) is arranged between the OCPC slot connectors (6), the slot position switching cable (7) is wrapped between the OCPC network card (4) and the upper clamping plate (1) in a semi-surrounding manner;
the upper clamping plate (1) is in a door shape and comprises a left side surface and a right side surface, a left clamping groove (11) is formed in the end surface of the left side surface, and a right clamping groove (12) is formed in the end surface of the right side surface;
an OCPA network card female head (31) is fixedly arranged on the OCPA network card (3), and an OCPC network card female head (41) is fixedly arranged on the OCPC network card (4);
the OCPA slot connector (5) comprises an OCPA female connector (51) and an OCPA male connector (52), the OCPA female connector (51) is arranged in the left clamping slot (11), the OCPA female connector (51) is spliced with a mainboard male connector, the OCPA male connector (52) is arranged on the back of the upper clamping plate (1) and is spliced with the OCPA network card female connector (31), and the OCPA male connector (52) is electrically connected with the OCPA female connector (51);
the OCPC slot connector (6) comprises an OCPC female connector (61) and an OCPC male connector (62), the OCPC female connector (61) is arranged in the right slot (12), the OCPC male connector (62) is spliced with the OCPC network card female connector (41), and the slot adapter cable (7) is arranged between the OCPC male connector (62) and the OCPC female connector (61);
one end of the slot transit cable (7) is connected with the OCPC male connector (62), and the other end of the slot transit cable is connected with the OCPC female connector (61).
2. The device for realizing the simultaneous testing of the OCPA and OCPC network cards according to claim 1, wherein the upper clamping plate (1) is connected with the lower clamping plate (2) through a bolt, and the OCPC network card (4) and the OCPA network card (3) are arranged on the bolt in a penetrating manner.
3. A method for testing the device for simultaneously testing the OCPA and OCPC network cards according to any one of claims 1 to 2, comprising the following steps:
the method comprises the following steps: fixedly arranging an OCPA network card female head (31) on the OCPA network card (3), and fixedly arranging an OCPC network card female head (41) on the OCPC network card (4);
step two: fixing an OCPA female connector (51) in the left clamping groove (11) through a bolt, and meanwhile, arranging an OCPA male connector (52) on the upper clamping plate (1) on the back surface of the left clamping groove (11);
step three: fixing the OCPC female connector (61) in the right card slot (12) through a bolt, and meanwhile, inserting the OCPC male connector (62) and the OCPC network card female head (41);
step four: covering an upper clamping plate (1) on the upper part of the OCPA network card (3), padding a lower clamping plate (2) at the bottom of the OCPC network card (4), and covering the OCPA network card (3) on the upper part of the OCPC network card (4);
step five: fixing an upper clamping plate (1), an OCPA network card (3), an OCPC network card (4) and a lower clamping plate (2) together through bolts;
step six: one end of the slot position adapter cable (7) is connected with the OCPC male connector (62), and the other end of the slot position adapter cable is connected with the OCPC female connector (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910630236.6A CN110460492B (en) | 2019-07-12 | 2019-07-12 | Device and method for simultaneously testing OCPA (optical chip amplifier) and OCPC (optical chip PC) network cards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910630236.6A CN110460492B (en) | 2019-07-12 | 2019-07-12 | Device and method for simultaneously testing OCPA (optical chip amplifier) and OCPC (optical chip PC) network cards |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110460492A CN110460492A (en) | 2019-11-15 |
| CN110460492B true CN110460492B (en) | 2021-05-25 |
Family
ID=68481107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910630236.6A Active CN110460492B (en) | 2019-07-12 | 2019-07-12 | Device and method for simultaneously testing OCPA (optical chip amplifier) and OCPC (optical chip PC) network cards |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110460492B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394496A (en) * | 2017-06-26 | 2017-11-24 | 上海与德科技有限公司 | USB females, male and charging, power supply terminal and charging connection control method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5003821B2 (en) * | 2008-06-25 | 2012-08-15 | 富士通株式会社 | Test apparatus and method |
| CN208314769U (en) * | 2018-05-15 | 2019-01-01 | 郑州云海信息技术有限公司 | A kind of novel network interface card installing mechanism |
| CN108494566A (en) * | 2018-05-29 | 2018-09-04 | 郑州云海信息技术有限公司 | A kind of PHY cards, network transmission device and method |
| CN109656760A (en) * | 2018-12-03 | 2019-04-19 | 郑州云海信息技术有限公司 | A kind of switching of middle layer board and test method and device |
-
2019
- 2019-07-12 CN CN201910630236.6A patent/CN110460492B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394496A (en) * | 2017-06-26 | 2017-11-24 | 上海与德科技有限公司 | USB females, male and charging, power supply terminal and charging connection control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110460492A (en) | 2019-11-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201956490U (en) | Universal serial bus (USB) socket with two pluggable sides and plug | |
| DE60305304D1 (en) | ADAPTER, MEMORY DEVICE FOR IMPLEMENTED DATA, AND METHOD FOR OPERATING A MEMORY DEVICE FOR RESTRICTED DATA | |
| CN201107817Y (en) | Expansion card inserting device assembly | |
| CN210639540U (en) | OCP NIC3.0 adapter card capable of supporting Multihost | |
| CN102955497A (en) | Mainboard provided with solid-state drive | |
| CN112799985B (en) | USB interface control method, USB control circuit and intelligent networking equipment mainboard | |
| CN213365380U (en) | Server mainboard and server | |
| CN219512630U (en) | MCU multichannel burning device | |
| US20070218709A1 (en) | Computer system and main board equipped with hybrid hypertransport interfaces | |
| CN111650493A (en) | Support high low temperature test with surveying device | |
| CN110460492B (en) | Device and method for simultaneously testing OCPA (optical chip amplifier) and OCPC (optical chip PC) network cards | |
| CN215813180U (en) | Integrated optical module test circuit | |
| CN202854677U (en) | Compact peripheral component interconnect (CPCI) machine frame suitable for standard computer case with 4 units or more than 4 units | |
| CN112069109B (en) | Extension adapter plate, adapter device and adapter method | |
| CN205281383U (en) | Computer and built -in function sub -board thereof | |
| CN210639606U (en) | Tool card based on OCP3.0 card test | |
| CN212749147U (en) | Chip test adapter plate and chip adapter test system | |
| CN220401777U (en) | Interface conversion board | |
| CN215006536U (en) | BMC core card based on SODIMM interface | |
| CN104133085A (en) | Self-assembling test line pin hole row | |
| CN217484428U (en) | Automatic test mother board for electric power automation device | |
| CN205141217U (en) | Adaptation line based on USBType -C | |
| CN212873479U (en) | Development board of dragon core 3A | |
| CN215120942U (en) | Data access circuit and tilt photography cloud platform | |
| CN217522344U (en) | Integrated converter and circuit board test 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |