CN215500120U - Installation pop-up mechanism of OCP3.0 network card - Google Patents
Installation pop-up mechanism of OCP3.0 network card Download PDFInfo
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- CN215500120U CN215500120U CN202122073200.8U CN202122073200U CN215500120U CN 215500120 U CN215500120 U CN 215500120U CN 202122073200 U CN202122073200 U CN 202122073200U CN 215500120 U CN215500120 U CN 215500120U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 33
- 238000009434 installation Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 abstract description 16
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000011900 installation process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an installation and ejection mechanism of an OCP3.0 network card, which comprises a shell and a drawing plate arranged in the shell, wherein two sides of the shell are provided with first lugs, and a guide groove is formed in the shell; two sides of the front end of the pull plate are provided with second hanging lugs, the second hanging lugs are slidably mounted in second sliding grooves, the first hanging lugs and the second hanging lugs are connected through first springs, one end of the pull plate is provided with a push plate, the front end of the guide rod is provided with a bend, and the lower portion of the bend is slidably mounted in the guide groove; backing plates are arranged on two sides of the upper part of the drawing plate, and positioning columns are arranged on the backing plates. When the OCP3.0 network card is tested, the OCP3.0 network card is placed on the pulling plate, the pulling plate is pushed forward once, the golden finger of the OCP3.0 network card is inserted into the main board slot, the pulling plate is pushed again, the pulling plate retreats to drive the OCP3.0 network card to be pulled out, the OCP3.0 network card is ensured to be stressed uniformly in the installation and disassembly processes, the stress damage of the OCP3.0 network card is reduced, and the service life cycle of equipment is prolonged.
Description
Technical Field
The utility model belongs to the technical field of testing tools, and particularly relates to an installation and ejection mechanism of an OCP3.0 network card.
Background
In the early development of the server, the functional support of the network is crucial, so that early research and development testers can invest a large amount of manpower to test the carrier-OCP 3.0 network card device of the network, and the plugging and unplugging of the network card of the OCP3.0 is frequent in the period. At present in this trade, what adopt is mechanical draw-in groove hard plug, but this plug in-process exists the installation and can't hold by force the size, the inhomogeneous condition of both sides atress during OCP3.0 network card plug, in addition at the dismantlement in-process, because the installation is too dead in earlier stage, causes violence easily and pulls out and insert, like this can greatly reduced OCP3.0 network card's golden finger and mainboard slot on the life of pin needle.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides an installation and ejection mechanism of an OCP3.0 network card, wherein when the OCP3.0 network card is tested, the OCP3.0 network card is placed on a pulling plate, the pulling plate is pushed forward once, a golden finger of the OCP3.0 network card is inserted into a mainboard slot, the pulling plate is pushed again, the pulling plate retreats to drive the OCP3.0 network card to be pulled out, the uniform stress in the installation and disassembly processes of the OCP3.0 network card is ensured, the stress damage of the OCP3.0 network card is reduced, and the service life cycle of equipment is prolonged.
In order to achieve the purpose, the utility model adopts the technical scheme that:
an installation and ejection mechanism of an OCP3.0 network card comprises a shell and a drawing plate arranged in the shell, wherein the upper part of the shell is open, first sliding grooves are formed in two sides of the shell, a second sliding groove is formed in one side of the first sliding groove, first hanging lugs are formed in two sides of the shell, a guide groove is formed in the shell and comprises a clamping section arranged in the middle, guide sections arranged on two sides of the clamping section and a sliding section arranged on one side of the guide section, the clamping section and the guide sections form a U-shaped structure, and the lower ends of the sliding sections on two sides are communicated; the middle part of the pull plate is provided with a hollow groove, two sides of the front end of the pull plate are provided with second hanging lugs, the second hanging lugs are slidably mounted in second sliding grooves, the first hanging lugs and the second hanging lugs are connected through first springs, one end of the pull plate is provided with a push plate, one side of the push plate is connected with a connecting plate, the lower part of the connecting plate is hinged with a guide rod, the front end of the guide rod is provided with a bend, and the lower part of the bend is slidably mounted in the guide groove; backing plates are arranged on two sides of the upper portion of the drawing plate, positioning columns are arranged on the backing plates, and clamping grooves on two sides of the OCP3.0 network card are clamped in the positioning columns to achieve positioning of the OCP3.0 network card.
When the OCP3.0 network card is tested, the popping mechanism is placed at the front part of the mainboard, the OCP3.0 network card is placed on the drawing plate, the drawing plate is pushed forwards once, the front end of the guide rod slides upwards in the sliding section at the right side to the guide section, after the drawing plate is loosened, the front end of the guide rod is clamped in the clamping section, meanwhile, the OCP3.0 network card on the upper part of the backing plate moves forwards and is inserted into the slot of the mainboard, the installation process of the OCP3.0 network card is realized, after one-time test is finished, promote the pull board forward once more, the guide arm front end slides to left direction section, loosen the pull board after, the pull board is under the elastic force effect of first spring, automatic resilience, the guide arm front end slides to left slip section rear portion this moment, drive OCP3.0 network card and extract from the slot of mainboard when the pull board is kick-backed, it is even to have guaranteed that OCP3.0 network card installation dismantlement in-process atress is even, the stress damage of OCP3.0 network card has been reduced, the life cycle of equipment has been improved.
As a further preferred option of this technical scheme, first spout inside is equipped with a plurality of spacing posts, the pull board both sides are equipped with the spacing groove, spacing post sets up in the spacing inslot portion, and spacing post and spacing groove have restricted the pull board and have rocked about, have guaranteed the accuracy of OCP3.0 network card and mainboard slot picture peg.
As a further preferred option of the technical scheme, a top plate is arranged on one side of the push plate, one side of the top plate is connected with the push plate through a connecting rod, the other side of the top plate abuts against the OCP3.0 network card, and the top plate avoids the OCP3.0 network card damage caused by the stress on only the clamping groove part in the inserting and pulling process of the OCP3.0 network card.
As a further preferred option of the technical scheme, one end of the connecting rod penetrates through the push plate to be provided with an external thread, the external thread is in threaded connection with two groups of adjusting nuts, and the two groups of adjusting nuts are respectively arranged on two sides of the push plate; the position of the top plate is adjusted according to the specification of the OCP3.0 network card, so that the top plate and the OCP3.0 network card are tightly propped.
As a further preferred option of the technical solution, the adjusting nut is a butterfly nut, which is beneficial to the quick adjustment of the top plate.
As a further optimization of the technical scheme, the backing plate and the top plate are both made of rubber, so that the backing plate or the top plate can be prevented from damaging the OCP3.0 network card in the installation and disassembly processes of the OCP3.0 network card.
As a further preference of the technical scheme, the two sides of the shell are provided with the pressing mechanisms, each pressing mechanism comprises a base arranged on the upper portion of the shell, a pressing plate is arranged on the upper portion of the base, a kidney-shaped groove is formed in each pressing plate, each pressing plate is connected with the corresponding base through a fixing bolt, each fixing bolt is arranged in the corresponding kidney-shaped groove, the lower portion of each nut of each fixing bolt is in clearance connection with the corresponding pressing plate, the pressing plates are connected on the corresponding bases in a sliding mode, and one end of each pressing plate is provided with a handle; when OCP3.0 network card was placed, the clamp plate moved to the outside when pulling the handle to the outside, placed the completion back when OCP3.0 network card, pushed the clamp plate to the inboard again, utilized the clamp plate to closely laminate OCP3.0 network card and backing plate, avoided OCP3.0 network card plug in-process to appear warping the head phenomenon.
As a further preferred option of the technical scheme, a baffle is arranged on one side of the base, a second spring is connected to one side of the handle, the other end of the second spring is connected with the baffle, and after the OCP3.0 network card is mounted in place, the pressing plate is automatically clamped on the upper portion of the OCP3.0 network card, so that the mounting efficiency of the OCP3.0 network card is improved.
As a further optimization of the technical scheme, one end of the pressing plate is provided with an inclined plate, and the inclined plates on the two sides form a funnel-shaped structure, so that the OCP3.0 network card can be conveniently and rapidly installed and pressed.
The utility model has the beneficial effects that:
1) when the OCP3.0 network card is tested, the OCP3.0 network card is placed on the pull plate, the pull plate is pushed forward once, the golden finger of the OCP3.0 network card is inserted into the slot of the mainboard, the pull plate is pushed again, the pull plate retracts to drive the OCP3.0 network card to be pulled out, the OCP3.0 network card is ensured to be stressed uniformly in the installation and disassembly processes, the stress damage of the OCP3.0 network card is reduced, and the service life of the equipment is prolonged.
2) The first spout is inside to be equipped with a plurality of spacing posts, and pull board both sides are equipped with the spacing groove, and spacing post sets up in the spacing inslot portion, and spacing post and spacing groove have restricted the pull board and have rocked about, have guaranteed the accuracy of OCP3.0 network card and mainboard slot picture peg.
3) The push pedal one side is equipped with the roof, and roof one side is connected with the push pedal through the connecting rod, and the roof opposite side offsets with OCP3.0 network card, and the roof has avoided OCP3.0 network card plug in-process only draw-in groove position atress to cause OCP3.0 network card damage.
4) One end of the connecting rod penetrates through the push plate and is provided with an external thread, the external thread is in threaded connection with two groups of adjusting nuts, and the two groups of adjusting nuts are respectively arranged on two sides of the push plate; the position of the top plate is adjusted according to the specification of the OCP3.0 network card, so that the top plate and the OCP3.0 network card are tightly propped.
5) The adjusting nut adopts a butterfly nut, which is beneficial to the quick adjustment of the top plate.
6) The backing plate and the top plate are made of rubber, so that the backing plate or the top plate is prevented from damaging the OCP3.0 network card in the installation and disassembly processes of the OCP3.0 network card.
7) The pressing mechanisms are arranged on two sides of the shell and comprise bases arranged on the upper portion of the shell, pressing plates are arranged on the upper portions of the bases and provided with kidney-shaped grooves, the pressing plates are connected with the bases through fixing bolts, the fixing bolts are arranged inside the kidney-shaped grooves, the lower portions of nuts of the fixing bolts are in clearance connection with the pressing plates, the pressing plates are connected on the bases in a sliding mode, and handles are arranged at one ends of the pressing plates; when OCP3.0 network card was placed, the clamp plate moved to the outside when pulling the handle to the outside, placed the completion back when OCP3.0 network card, pushed the clamp plate to the inboard again, utilized the clamp plate to closely laminate OCP3.0 network card and backing plate, avoided OCP3.0 network card plug in-process to appear warping the head phenomenon.
8) One side of the base is provided with a baffle, one side of the handle is connected with a second spring, the other end of the second spring is connected with the baffle, and after the OCP3.0 network card is installed in place, the pressing plate is automatically clamped on the upper portion of the OCP3.0 network card, so that the installation efficiency of the OCP3.0 network card is improved.
9) One end of the pressing plate is provided with an inclined plate, and the inclined plates on the two sides form a funnel shape, so that the OCP3.0 network card can be conveniently and rapidly installed and pressed.
Drawings
FIG. 1 is a diagram of the use state of an installation and ejection mechanism of an OCP3.0 network card.
Fig. 2 is a schematic structural diagram of an installation ejection mechanism of an OCP3.0 network card according to the present invention.
Fig. 3 is a schematic structural diagram of a shell in an installation and ejection mechanism of an OCP3.0 network card.
Fig. 4 is a schematic structural view of a guide groove in an installation ejection mechanism of an OCP3.0 network card according to the present invention.
Fig. 5 is a schematic structural diagram of a pressing mechanism in an installation and ejection mechanism of an OCP3.0 network card according to the present invention.
FIG. 6 is a schematic structural diagram of a drawing plate in the installation and ejection mechanism of the OCP3.0 network card.
In the figure: 1. OCP3.0 network card; 2. a housing; 21. a first chute; 22. a limiting column; 23. a first suspension loop; 24. a second chute; 25. a guide groove; 251. a sliding section; 252. a guide section; 253. a clamping section; 3. a drawing plate; 31. a second suspension loop; 32. a limiting groove; 33. a base plate; 34. a positioning column; 35. an empty groove; 36. a guide bar; 37. a connecting plate; 38. pushing the plate; 39. a top plate; 391. a connecting rod; 392. adjusting the nut; 4. a first spring; 5. a hold-down mechanism; 51. a base; 52. a baffle plate; 53. pressing a plate; 54. a kidney-shaped groove; 55. a sloping plate; 56. a second spring; 57. a handle; 58. and (5) fixing the bolt.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to fig. 1 to 6, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used for convenience of description only, and do not indicate or imply that the devices or elements referred to must have a specific orientation, a specific orientation configuration and operation, and thus, are not to be construed as limiting the present invention.
An installation and ejection mechanism of an OCP3.0 network card comprises a shell 2 and a drawing plate 3 arranged in the shell 2, wherein the upper part of the shell 2 is open, first sliding grooves 21 are formed in two sides of the shell 2, a second sliding groove 24 is formed in one side of each first sliding groove 21, first hanging lugs 23 are formed in two sides of the shell 2, a guide groove 25 is formed in the shell 2, each guide groove 25 comprises a clamping section 253 arranged in the middle, guide sections 252 arranged on two sides of the clamping section 253 and a sliding section 251 arranged on one side of each guide section 252, the clamping section 253 and the guide sections 252 form a U-shaped structure, and the lower ends of the sliding sections 251 on two sides are communicated; the middle part of the pull plate 3 is provided with a hollow groove 35, two sides of the front end of the pull plate 3 are provided with second hanging lugs 31, the second hanging lugs 31 are slidably installed in a second sliding groove 24, the first hanging lugs 23 and the second hanging lugs 31 are connected through a first spring 4, one end of the pull plate 3 is provided with a push plate 38, one side of the push plate 38 is connected with a connecting plate 37, the lower part of the connecting plate 37 is hinged with a guide rod 36, the front end of the guide rod 36 is provided with a bend, and the lower part of the bend is slidably installed in the guide groove 25; backing plates 33 are arranged on two sides of the upper portion of the drawing plate 3, positioning columns 34 are arranged on the backing plates 33, and clamping grooves on two sides of the OCP3.0 network card 1 are clamped in the positioning columns 34, so that the OCP3.0 network card 1 is positioned.
When the OCP3.0 network card 1 is tested, the popping mechanism is placed at the front part of a mainboard, the OCP3.0 network card 1 is placed on a pulling plate 3, the pulling plate 3 is pushed forward once, the front end of a guide rod 36 slides upwards in a sliding section 251 on the right side to a guiding section 252, after the pulling plate 3 is loosened, the front end of the guide rod 36 is clamped in a clamping section 253, meanwhile, the OCP3.0 network card 1 on the upper part of a backing plate 33 moves forwards and is inserted into a slot of the mainboard, the installation process of the OCP3.0 network card 1 is realized, after the test is finished once, the pulling plate 3 is pushed forward again, the front end of the guide rod 36 slides towards a guiding section 252 on the left side, after the pulling plate 3 is loosened, the pulling plate 3 automatically rebounds under the action of the elastic force of a first spring 4, at the moment, the front end of the guide rod 36 slides towards the rear part of the sliding section 251 on the left side, when the pulling plate 3 rebounds, the OCP3.0 network card 1 is driven to be ejected out from the slot of the mainboard, the OCP3.0 network card 1 is ensured to be evenly stressed in the installation and disassembly process, stress damage of the OCP3.0 network card 1 is reduced, and the service life cycle of the equipment is prolonged.
In this embodiment, first spout 21 is inside to be equipped with a plurality of spacing posts 22, 3 both sides of pull board are equipped with spacing groove 32, spacing post 22 sets up inside spacing groove 32, and spacing post 22 and spacing groove 32 have restricted about pull board 3 and have rocked, have guaranteed the accuracy of OCP3.0 network card 1 and mainboard slot picture peg.
In this embodiment, a top plate 39 is disposed on one side of the push plate 38, one side of the top plate 39 is connected to the push plate 38 through a connecting rod 391, the other side of the top plate 39 abuts against the OCP3.0 network card 1, and the top plate 39 prevents the OCP3.0 network card 1 from being damaged by a force applied to only a card slot portion during the plugging and unplugging process of the OCP3.0 network card 1.
In this embodiment, one end of the connecting rod 391 penetrates through the push plate 38 and is provided with an external thread, two sets of adjusting nuts 392 are connected to the external thread in a threaded manner, and the two sets of adjusting nuts 392 are respectively arranged on two sides of the push plate 38; the position of the top plate 39 is adjusted according to the specification of the OCP3.0 network card 1, so that the top plate 39 and the OCP3.0 network card 1 are tightly propped.
In this embodiment, the adjusting nut 392 is a wing nut, which facilitates quick adjustment of the top plate 39.
In this embodiment, the backing plate 33 and the top plate 39 are both made of rubber, so that the backing plate 33 or the top plate 39 is prevented from damaging the OCP3.0 network card 1 in the mounting and dismounting processes of the OCP3.0 network card 1.
In this embodiment, two sides of the housing 2 are provided with the pressing mechanisms 5, each pressing mechanism 5 includes a base 51 disposed on the upper portion of the housing 2, a pressing plate 53 is disposed on the upper portion of the base 51, a kidney-shaped groove 54 is disposed on the pressing plate 53, the pressing plate 53 is connected with the base 51 through a fixing bolt 58, the fixing bolt 58 is disposed inside the kidney-shaped groove 54, and the lower portion of the nut of the fixing bolt 58 is in clearance connection with the pressing plate 53, so that the pressing plate 53 is slidably connected on the base 51, and one end of the pressing plate 53 is provided with a handle 57; when OCP3.0 network card 1 placed, the clamp plate 53 moved to the outside when pulling handle 57 to the outside, placed the completion back when OCP3.0 network card 1, pushed the clamp plate 53 to the inside again, utilized clamp plate 53 to closely laminate OCP3.0 network card 1 and backing plate 33, avoided the first phenomenon of warping to appear in the OCP3.0 network card 1 plug-in process.
In this embodiment, a baffle 52 is arranged on one side of the base 51, a second spring 56 is connected to one side of the handle 57, the other end of the second spring 56 is connected to the baffle 52, and after the second spring 56 is installed in place on the OCP3.0 network card 1, the pressing plate 53 is automatically clamped on the upper portion of the OCP3.0 network card 1, so that the installation efficiency of the OCP3.0 network card 1 is improved.
In this embodiment, one end of the pressing plate 53 is provided with an inclined plate 55, and the inclined plates 55 on both sides form a funnel shape, so that the OCP3.0 network card 1 can be conveniently and rapidly mounted and pressed.
The foregoing is merely exemplary and illustrative of the present invention, and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the utility model as defined in the accompanying claims.
Claims (9)
1. An installation and ejection mechanism of an OCP3.0 network card comprises a shell and a pull plate arranged in the shell, and is characterized in that the upper part of the shell is open, first sliding grooves are formed in two sides of the shell, a second sliding groove is formed in one side of the first sliding groove, first hanging lugs are arranged in two sides of the shell, a guide groove is formed in the shell and comprises a clamping section arranged in the middle, guide sections arranged on two sides of the clamping section and a sliding section arranged on one side of the guide section, the clamping section and the guide sections form a U-shaped structure, and the lower ends of the sliding sections on two sides are communicated; the middle part of the pull plate is provided with a hollow groove, two sides of the front end of the pull plate are provided with second hanging lugs, the second hanging lugs are slidably mounted in second sliding grooves, the first hanging lugs and the second hanging lugs are connected through first springs, one end of the pull plate is provided with a push plate, one side of the push plate is connected with a connecting plate, the lower part of the connecting plate is hinged with a guide rod, the front end of the guide rod is provided with a bend, and the lower part of the bend is slidably mounted in the guide groove; backing plates are arranged on two sides of the upper portion of the drawing plate, positioning columns are arranged on the backing plates, and clamping grooves on two sides of the OCP3.0 network card are clamped in the positioning columns.
2. The mounting and ejecting mechanism for the OCP3.0 network card according to claim 1, wherein a plurality of limiting posts are disposed inside the first sliding slot, limiting grooves are disposed on two sides of the pulling plate, and the limiting posts are disposed inside the limiting grooves.
3. The OCP3.0 network card installing and ejecting mechanism as claimed in claim 1, wherein a top plate is disposed on one side of the push plate, one side of the top plate is connected to the push plate through a connecting rod, and the other side of the top plate abuts against the OCP3.0 network card.
4. The OCP3.0 network card installing and ejecting mechanism as claimed in claim 3, wherein one end of the connecting rod has an external thread through the pushing plate, two sets of adjusting nuts are connected to the external thread, and the two sets of adjusting nuts are respectively disposed on two sides of the pushing plate.
5. The OCP3.0 network card installing and ejecting mechanism as claimed in claim 4, wherein the adjusting nut is a wing nut.
6. The OCP3.0 network card mounting and ejecting mechanism as claimed in any one of claims 3-5, wherein the backing plate and the top plate are made of rubber.
7. The OCP3.0 network card installing and ejecting mechanism as claimed in claim 1, wherein the housing has a pressing mechanism on both sides, the pressing mechanism includes a base disposed on the upper portion of the housing, a pressing plate is disposed on the upper portion of the base, a waist-shaped groove is disposed on the pressing plate, the pressing plate is connected to the base through a fixing bolt, the fixing bolt is disposed inside the waist-shaped groove, the lower portion of the nut of the fixing bolt is in clearance connection with the pressing plate, the pressing plate is slidably connected to the base, and a handle is disposed at one end of the pressing plate.
8. The OCP3.0 network card installing and ejecting mechanism as claimed in claim 7, wherein a baffle is disposed on one side of the base, a second spring is connected to one side of the handle, and the other end of the second spring is connected to the baffle.
9. The OCP3.0 network card installing and ejecting mechanism as claimed in claim 7 or 8, wherein the pressing plate has a sloping plate at one end, and the sloping plates at two sides form a funnel-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122073200.8U CN215500120U (en) | 2021-08-30 | 2021-08-30 | Installation pop-up mechanism of OCP3.0 network card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122073200.8U CN215500120U (en) | 2021-08-30 | 2021-08-30 | Installation pop-up mechanism of OCP3.0 network card |
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| Publication Number | Publication Date |
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| CN215500120U true CN215500120U (en) | 2022-01-11 |
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| CN202122073200.8U Active CN215500120U (en) | 2021-08-30 | 2021-08-30 | Installation pop-up mechanism of OCP3.0 network card |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115866461A (en) * | 2023-02-27 | 2023-03-28 | 东莞英脉通信技术有限公司 | PON (passive optical network) card with protection structure and use method |
-
2021
- 2021-08-30 CN CN202122073200.8U patent/CN215500120U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115866461A (en) * | 2023-02-27 | 2023-03-28 | 东莞英脉通信技术有限公司 | PON (passive optical network) card with protection structure and use method |
| CN115866461B (en) * | 2023-02-27 | 2023-07-25 | 东莞英脉通信技术有限公司 | PON network card with protection structure and use method |
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