Ethernet connector PCB packaging multiplexing structure and PCB

Abstract

The utility model discloses an Ethernet connector PCB packaging multiplexing structure and a PCB, the Ethernet connector comprises a single-cavity connector, a double-cavity connector and a four-cavity connector, and the PCB comprises at least one network connection area. The packaging multiplexing structure comprises a first fixed pin group and a first signal pin group which are used for connecting the single-cavity connector; the second fixed pin group and the second signal pin group are used for connecting the double-cavity connector; the third fixed pin group and the third signal pin group are used for connecting the four-cavity connector; wherein the first fixed pin group, the second fixed pin group, the third fixed pin group, the first signal pin group, the second signal pin group and the third signal pin group are arranged in the network connection area. According to the utility model, various Ethernet connectors can be replaced and used on the same PCB, the complexity of hardware design is greatly reduced, and the cost of electronic materials is effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to high -speed printed circuit board design field especially relates to a ethernet connector PCB package multiplex structure and PCB board. BACKGROUND

[0002] Current vehicle-mounted ethernet application increasingly popular, daily vehicle-mounted network interconnection, OTA, interactive communication etc. all need to use ethernet technology, as the main carrier of ethernet data transmission PCB, needs to carry a large number of ethernet connectors to meet the growing demand for use.

[0003] But, due to product size, design cost, layout wiring density etc. limiting factors, it is impossible to increase the number of connectors without limit, therefore, need to optimize the design to realize the multiplexing of the connector. UTILITY MODEL CONTENT

[0004] In view of the above technical problems, the utility model provides a ethernet connector PCB package multiplex structure and PCB board, can realize the replacement use of multiple ethernet connectors on the same PCB, greatly reduce the complexity of hardware design, effectively reduce electronic material cost.

[0005] The first aspect of the utility model provides a ethernet connector PCB package multiplex structure:

[0006] The ethernet connector includes single-cavity connector, double-cavity connector and four-cavity connector, the PCB includes at least one network connection area, and the package multiplex structure includes:

[0007] First fixed pin group and first signal pin group for connecting the single-cavity connector;

[0008] Second fixed pin group and second signal pin group for connecting the double-cavity connector;

[0009] Third fixed pin group and third signal pin group for connecting the four-cavity connector;

[0010] Wherein, the first fixed pin group, second fixed pin group, third fixed pin group, first signal pin group, second signal pin group and third signal pin group are all set up in the network connection area.

[0011] In a possible implementation mode, the first fixed pin group includes fixed pin one, fixed pin two, fixed pin three and fixed pin four, and the first signal pin group includes signal pin one;

[0012] The second fixed pin group includes fixed pin five, fixed pin six, fixed pin seven and fixed pin eight, and the second signal pin group includes signal pin two and signal pin three.

[0013] The third fixed pin group includes fixed pin nine, fixed pin ten, fixed pin eleven and fixed pin twelve, and the third signal pin group includes signal pin four, signal pin five, signal pin six and signal pin seven.

[0014] In a possible implementation, the fixed pin one is multiplexed with the fixed pin five, and the fixed pin two is multiplexed with the fixed pin six; or

[0015] The fixed pin three is multiplexed with the fixed pin seven, and the fixed pin four is multiplexed with the fixed pin eight.

[0016] In a possible implementation, the signal pin one is multiplexed with the signal pin two; or

[0017] The signal pin one is multiplexed with the signal pin three.

[0018] In a possible implementation, the fixed pin five is multiplexed with the fixed pin nine, and the fixed pin eight is multiplexed with the fixed pin twelve.

[0019] In a possible implementation, the signal pin two is multiplexed with the signal pin four, and the signal pin three is multiplexed with the signal pin seven.

[0020] In a possible implementation, the fixed pin one is multiplexed with the fixed pin nine; or

[0021] The fixed pin four is multiplexed with the fixed pin twelve.

[0022] In a possible implementation, the signal pin one is multiplexed with the signal pin four; or

[0023] The signal pin one is multiplexed with the signal pin seven.

[0024] In a possible implementation, the fixed pin one, the fixed pin five and the fixed pin nine are multiplexed, the fixed pin two and the fixed pin six are multiplexed, and the fixed pin eight and the fixed pin twelve are multiplexed; or

[0025] The fixed pin four, the fixed pin eight and the fixed pin twelve are multiplexed, the fixed pin three and the fixed pin seven are multiplexed, and the fixed pin five and the fixed pin nine are multiplexed.

[0026] In a possible implementation, the signal pin one, the signal pin two and the signal pin four are multiplexed, and the signal pin three and the signal pin seven are multiplexed.

[0027] The signal pin one, the signal pin three and the signal pin seven are multiplexed, and the signal pin two and the signal pin four are multiplexed.

[0028] In a second aspect, the utility model provides a PCB, which is provided with the Ethernet connector PCB packaging multiplexing structure of any one of the first aspect.

[0029] The utility model discloses a plurality of fixed pin group and signal pin group are designed, realized single cavity, double cavity and four cavity connector's multiplexing, can be nimblely responded to the demand of different connector, reduced the redesign and development cost of PCB board, optimized the space layout, reduced the material usage, improved the multiplexing of hardware design and production efficiency, thereby shortened the research and development period, improved the adaptability and flexibility of PCB board network wiring, especially suitable for the vehicle-mounted ethernet application of multiple scenes, multiple interface demand. ACCURACY OF DRAWINGS

[0030] Figure 1 It is the structure schematic drawing of an embodiment of the utility model Ethernet connector PCB packaging multiplexing structure.

[0031] Figure 2 It is the structure schematic drawing of another embodiment of the utility model Ethernet connector PCB packaging multiplexing structure.

[0032] Figure 3 It is the structure schematic drawing of another embodiment of the utility model Ethernet connector PCB packaging multiplexing structure.

[0033] Figure 4 It is the structure schematic drawing of another embodiment of the utility model Ethernet connector PCB packaging multiplexing structure.

[0034] Figure 5 It is the structure schematic drawing of another embodiment of the utility model Ethernet connector PCB packaging multiplexing structure.

[0035] Figure 6 It is the structure schematic drawing of another embodiment of the utility model Ethernet connector PCB packaging multiplexing structure.

[0036] Figure 7 It is the structure schematic drawing of another embodiment of the utility model Ethernet connector PCB packaging multiplexing structure.

[0037] Figure 8 It is the structure schematic drawing of another embodiment of the utility model Ethernet connector PCB packaging multiplexing structure.

[0038] Figure 9 The utility model discloses an installation example drawing of the PCB package multiplex structure of the Ethernet connector.

[0039] BRIEF DESCRIPTION OF DRAWINGS: 1, fixed pin one;2, fixed pin two;3, fixed pin three;4, fixed pin four;5, fixed pin five;6, fixed pin six;7, fixed pin seven;8, fixed pin eight;9, fixed pin nine;10, fixed pin ten;11, fixed pin eleven;12, fixed pin twelve;13, signal pin one;14, signal pin two;15, signal pin three;16, signal pin four;17, signal pin five;18, signal pin six;19, signal pin seven. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0041] It should be understood that the terms "first", "second", and "third" and the like in the claims, specification, and drawings of the present disclosure are used to distinguish different objects, and are not used to describe a particular order. The terms "include" and "contain" used in the specification and claims of the present disclosure indicate the presence of the described features, whole, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, whole, steps, operations, elements, components and / or sets thereof. It should also be understood that the terms used in the specification of the present disclosure are only for the purpose of describing specific embodiments, and are not intended to limit the present disclosure.

[0042] H-MTD Ethernet connector (High Speed-Modular Twisted-pair Data) provides a variety of integrated types, including single cavity, double cavity, four cavity and six cavity, to meet different needs, especially single cavity (such as E6S20A-40MT5-B), double cavity (such as E6S20B-40MT5-A) and four cavity (such as E6S20D-40MT5-B) products become the standard choice. It has IPX7M / IPX9 waterproof level, suitable for a variety of cable types, and has excellent shielding performance and transmission rate up to 28Gbps, widely used in vehicle-mounted differential protocol. H-MTD Ethernet connector supports a variety of protocols and applications, such as ADAS, automatic driving and high-resolution display system, showing strong adaptability and stability.

[0043] Based on this, referring to Figure 1 The utility model embodiment provides a kind of Ethernet connector PCB encapsulation multiplex structure, the Ethernet connector includes single cavity connector, double cavity connector and four cavity connector, the PCB includes at least one network connection area, and the encapsulation multiplex structure includes:

[0044] first fixed pin group and first signal pin group for connecting the single cavity connector;

[0045] second fixed pin group and second signal pin group for connecting the double cavity connector;

[0046] third fixed pin group and third signal pin group for connecting the four cavity connector;

[0047] Wherein, the first fixed pin group, second fixed pin group, third fixed pin group, first signal pin group, second signal pin group and third signal pin group are all opened in the network connection area.

[0048] By designing different fixed pin group and signal pin group, fixed pin group is all ground processing, and signal pin group is all connected with circuit on PCB, to realize the multiplex of single cavity, double cavity and four cavity Ethernet connector.In the network connection area of PCB, first fixed pin group and first signal pin group for connecting single cavity connector, second fixed pin group and second signal pin group for connecting double cavity connector and third fixed pin group and signal pin group for connecting four cavity connector are respectively arranged.All these pin groups are located in the same network connection area, to realize the flexible installation and use of different types of connectors, ensure that different connector types can be used according to different needs without changing PCB.

[0049] Further, as one embodiment of the utility model, the first fixed pin group includes fixed pin one, fixed pin two, fixed pin three and fixed pin four, and the first signal pin group includes signal pin one;

[0050] The second fixed pin group includes fixed pin five, fixed pin six, fixed pin seven and fixed pin eight, and the second signal pin group includes signal pin two and signal pin three;

[0051] The third fixed pin group includes fixed pin nine, fixed pin ten, fixed pin eleven and fixed pin twelve, and the third signal pin group includes signal pin four, signal pin five, signal pin six and signal pin seven.

[0052] Specifically, the first fixed pin group is composed of four fixed pins (fixed pin one to fixed pin four), the first signal pin group is composed of a pair of signal pins (signal pin one), and is matched with four fixed pins and a pair of signal pins of the single-cavity connector. The second fixed pin group is composed of four fixed pins (fixed pin five to fixed pin eight), the second signal pin group is composed of two pairs of signal pins (signal pin two and signal pin three), and is matched with four fixed pins and two pairs of signal pins of the double-cavity connector. The third fixed pin group is composed of four fixed pins (fixed pin nine to fixed pin twelve), and the third signal pin group is composed of four pairs of signal pins (signal pin four to signal pin seven), and is matched with four fixed pins and four pairs of signal pins of the four-cavity connector.

[0053] Further, as an embodiment of the utility model, referring to Figure 2 , the fixed pin one 1 is multiplexed with the fixed pin five 5, and the fixed pin two 2 is multiplexed with the fixed pin six 6. The signal pin one 13 is multiplexed with the signal pin two 14.

[0054] Specifically, in the embodiment, the fixed pin one 1 and the fixed pin five 5 are located at the lower left corner of the network connection area and use the same ground through hole. The fixed pin two 2 and the fixed pin six 6 are located at the upper right of the fixed pin one 1 (the fixed pin five 5) and also use the same ground through hole. The fixed pin three 3 and the fixed pin four 4 are respectively arranged at the right of the fixed pin one 1 and the fixed pin two 2, and the fixed pin seven 7 and the fixed pin eight 8 are respectively arranged at the right of the fixed pin five 5 and the fixed pin six 6. The signal pin one 13 is arranged at the middle of the fixed pin one 1 to the fixed pin four 4 and uses the same wiring through hole with the signal pin two 14. The signal pin three 15 is arranged at the middle of the signal pin two 14. It should be noted that the adaptation distance in the embodiment is the distance between the fixed pins and the signal pins of the respective adaptation connector (single-cavity connector, double-cavity connector, four-cavity connector).

[0055] Through the pin layout in the above embodiment, the single-cavity connector and the double-cavity connector are multiplexed in the same area. This design allows flexible switching of single-cavity and double-cavity connectors without changing the PCB layout, effectively optimizing space utilization and improving design multiplexing.

[0056] As another embodiment of the utility model, referring to Figure 3 , the fixed pin three 3 is multiplexed with the fixed pin seven 7, and the fixed pin four 4 is multiplexed with the fixed pin eight 8. The signal pin one 13 is multiplexed with the signal pin three 15.

[0057] Specifically, in the embodiment, the fixed pin four 4 and the fixed pin eight 8 are located at the lower right corner of the network connection area and use the same ground hole. The fixed pin three 3 and the fixed pin seven 7 are located at the upper of the fixed pin one 1 (the fixed pin five 5) by an adaptive distance and also use the same ground hole. The fixed pin one 1 and the fixed pin two 2 are respectively arranged at the left of the fixed pin three 3 and the fixed pin four 4 by an adaptive distance. The fixed pin five 5 and the fixed pin six 6 are respectively arranged at the left of the fixed pin seven 7 and the fixed pin eight 8 by an adaptive distance. The signal pin one 13 is arranged at the middle of the fixed pin one 1 to the fixed pin four 4 by an adaptive distance. The signal pin one 13 and the signal pin three 15 use the same wiring hole. The signal pin three 15 is arranged at the adaptive distance of the signal pin three 15.

[0058] Through the pin layout in the above embodiment, the reuse of the single-cavity connector and the double-cavity connector in the same area can be realized, the flexible switching of the single-cavity connector and the double-cavity connector can be realized without changing the PCB layout, the space utilization is effectively optimized, and the design reusability is improved.

[0059] Further, as an embodiment of the utility model, referring to Figure 4 , the fixed pin five 5 and the fixed pin nine 9 are reused, and the fixed pin eight 8 and the fixed pin twelve 12 are reused. The signal pin two 14 and the signal pin four 16 are reused, and the signal pin three 15 and the signal pin seven 19 are reused.

[0060] Specifically, in the embodiment, the fixed pin five 5 and the fixed pin nine 9 are located at the lower left corner of the network connection area and use the same ground hole. The fixed pin eight 8 and the fixed pin twelve 12 are located at the lower right corner of the network connection area and also use the same ground hole. The fixed pin six 6 and the fixed pin seven 7 are respectively arranged at the upper of the fixed pin five 5 and the fixed pin eight 8 by an adaptive distance. The fixed pin ten 10 and the fixed pin eleven 11 are respectively arranged at the upper of the fixed pin nine 9 and the fixed pin twelve 12 by an adaptive distance. The signal pin two 14 and the signal pin three 15 are arranged at the middle of the fixed pin five 5 to the fixed pin eight 8 by an adaptive distance. The signal pin four 16 and the signal pin two 14 use the same wiring hole. The signal pin seven 19 and the signal pin three 15 use the same wiring hole. The signal pin five 17 and the signal pin six 18 are respectively arranged at the adaptive distance of the signal pin four 16 and the signal pin seven 19.

[0061] Through the pin layout in the above embodiment, the reuse of the double-cavity connector and the four-cavity connector in the same area can be realized, the flexible switching of the double-cavity connector and the four-cavity connector can be realized without changing the PCB layout, the space utilization is effectively optimized, and the design reusability is improved.

[0062] Further, as an embodiment of the utility model, refer to Figure 5 The fixed pin one 1 is multiplexed with the fixed pin nine 9, and the signal pin one 13 is multiplexed with the signal pin four 16.

[0063] Specifically, in the embodiment, the fixed pin one 1 and the fixed pin nine 9 are located at the lower left corner of the network connection area, and use the same ground hole.The fixed pin two 2, the fixed pin three 3 and the fixed pin four 4 are respectively arranged at the adaptive distance of the fixed pin one 1, and the fixed pin ten 10, the fixed pin eleven 11 and the fixed pin twelve 12 are respectively arranged at the adaptive distance of the fixed pin nine 9.The signal pin one 13 is arranged at the middle adaptive distance of the fixed pin one 1 to the fixed pin four 4, and the signal pin four 16 uses the same wiring hole with the signal pin one 13.The signal pin five 17, the signal pin six 18 and the signal pin seven 19 are respectively arranged at the adaptive distance of the signal pin four 16.

[0064] Through the pin layout in the above embodiment, the single-cavity connector and the four-cavity connector can be multiplexed in the same area, allowing flexible switching of the single-cavity connector and the four-cavity connector without changing the PCB layout, effectively optimizing the space utilization and improving the multiplexing of the design.

[0065] As another embodiment of the utility model, refer to Figure 6 The fixed pin four 4 is multiplexed with the fixed pin twelve 12, and the signal pin one 13 is multiplexed with the signal pin seven 19.

[0066] Specifically, in the embodiment, the fixed pin four 4 and the fixed pin twelve 12 are located at the lower right corner of the network connection area, and use the same ground hole.The fixed pin one 1, the fixed pin two 2 and the fixed pin three 3 are respectively arranged at the adaptive distance of the fixed pin four 4, and the fixed pin nine 9, the fixed pin ten 10 and the fixed pin eleven 11 are respectively arranged at the adaptive distance of the fixed pin twelve 12.The signal pin one 13 is arranged at the middle adaptive distance of the fixed pin one 1 to the fixed pin four 4, and the signal pin seven 19 uses the same wiring hole with the signal pin one 13.The signal pin four 16, the signal pin five 17 and the signal pin six 18 are respectively arranged at the adaptive distance of the signal pin seven 19.

[0067] Through the pin layout in the above embodiment, the single-cavity connector and the four-cavity connector can be multiplexed in the same area, allowing flexible switching of the single-cavity connector and the four-cavity connector without changing the PCB layout, effectively optimizing the space utilization and improving the multiplexing of the design.

[0068] Further, as an embodiment of the utility model, refer to Figure 7The fixed pin one 1, the fixed pin five 5 and the fixed pin nine 9 are multiplexed, the fixed pin two 2 and the fixed pin six 6 are multiplexed, and the fixed pin eight 8 and the fixed pin twelve 12 are multiplexed.

[0069] Specifically, in the embodiment, the fixed pin one 1, the fixed pin five 5 and the fixed pin nine 9 are located at the lower left corner of the network connection area and use the same ground hole; the fixed pin two 2 and the fixed pin six 6 are located at the upper adaptive distance of the fixed pin five 5 (the fixed pin one 1) and also use the same ground hole; the fixed pin eight 8 and the fixed pin twelve 12 are located at the right adaptive distance of the fixed pin five 5 (the fixed pin nine 9) and also use the same ground hole. The fixed pin three 3 and the fixed pin four 4 are arranged at the adaptive distance of the fixed pin one 1 and the fixed pin two 2, the fixed pin seven 7 is arranged at the adaptive distance of the fixed pin five 5, the fixed pin six 6 and the fixed pin eight 8, and the fixed pin ten 10 and the fixed pin eleven 11 are arranged at the adaptive distance of the fixed pin nine 9 and the fixed pin twelve 12. The signal pin one 13 is arranged at the middle adaptive distance of the fixed pin one 1 to the fixed pin four 4, and the signal pin two 14, the signal pin four 16 and the signal pin one 13 use the same wiring hole. The signal pin three 15 is arranged at the adaptive distance of the signal pin two 14, and the signal pin seven 19 and the signal pin three 15 use the same wiring hole. The signal pin five 17 and the signal pin six 18 are arranged at the adaptive distance of the signal pin four 16 and the signal pin seven 19.

[0070] Through the pin layout in the above embodiment, the single-cavity connector, the double-cavity connector and the four-cavity connector can be multiplexed in the same area, so that the single-cavity connector, the double-cavity connector and the four-cavity connector can be flexibly switched without changing the PCB layout, and the space utilization is effectively optimized and the multiplexing of the design is improved.

[0071] As another embodiment of the utility model, refer to Figure 8 The fixed pin four 4, the fixed pin eight 8 and the fixed pin twelve 12 are multiplexed, the fixed pin three 3 and the fixed pin seven 7 are multiplexed, and the fixed pin five 5 and the fixed pin nine 9 are multiplexed. The signal pin one 13, the signal pin three 15 and the signal pin seven 19 are multiplexed, and the signal pin two 14 and the signal pin four 16 are multiplexed.

[0072] Specifically, in the embodiment, the fixed pins four 4, the fixed pins eight 8 and the fixed pins twelve 12 are located at the lower left corner of the network connection area, and use the same ground hole; the fixed pins three 3 and the fixed pins seven 7 are located at the upper adaptive distance of the fixed pins eight 8 (the fixed pins four 4), and also use the same ground hole; the fixed pins five 5 and the fixed pins nine 9 are located at the left adaptive distance of the fixed pins eight 8 (the fixed pins twelve 12), and also use the same ground hole. The fixed pins one 1 and the fixed pins two 2 are arranged at the adaptive distance of the fixed pins three 3 and the fixed pins four 4, the fixed pins six 6 are arranged at the adaptive distance of the fixed pins five 5, the fixed pins seven 7 and the fixed pins eight 8, and the fixed pins ten 10 and the fixed pins eleven 11 are arranged at the adaptive distance of the fixed pins nine 9 and the fixed pins twelve 12. The signal pins one 13 are arranged at the middle adaptive distance of the fixed pins one 1 to the fixed pins four 4, and the signal pins three 15, the signal pins seven 19 and the signal pins one 13 use the same wiring hole. The signal pins two 14 are arranged at the adaptive distance of the signal pins three 15, and the signal pins four 16 and the signal pins two 14 use the same wiring hole. The signal pins five 17 and the signal pins six 18 are arranged at the adaptive distance of the signal pins four 16 and the signal pins seven 19.

[0073] Through the pin layout in the above embodiment, the reuse of the single-cavity connector, the double-cavity connector and the four-cavity connector in the same area can also be realized, the flexible switching of the single-cavity connector, the double-cavity connector and the four-cavity connector can be realized without changing the PCB layout, the space utilization is effectively optimized, and the design reusability is improved.

[0074] The utility model embodiment further discloses a PCB.

[0075] A kind of PCB, the PCB is provided with the Ethernet connector PCB packaging multiplex structure as described in any of the above embodiments. The multiplex packaging structure of Ethernet connector is integrated on the PCB. The packaging structure includes multiple fixed pin groups and signal pin groups, for supporting the connection and switching of different types of connectors (such as single-cavity, double-cavity and four-cavity connectors). Specifically, referring to Figure 9 , the fixed and signal pins required by different types of connectors are designed in advance on the PCB, and these pins are arranged in the same network connection area, so that in actual use, different connectors (single-cavity, double-cavity and four-cavity connectors) can be flexibly installed and used on the same PCB by multiplexing these pin groups, without the need to redesign the PCB, thereby improving the adaptability and production efficiency of the board.

[0076] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features therein can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An Ethernet connector PCB package multiplexing structure, the Ethernet connector comprising a single cavity connector, a dual cavity connector and a quad cavity connector, the PCB comprising at least one network connection zone, characterized in that, The packaging multiplexing structure comprises: a first fixed pin group and a first signal pin group for connecting the single-cavity connector; a second fixed pin group and a second signal pin group for connecting the double-cavity connector; a third fixed pin group and a third signal pin group for connecting the four-cavity connector; wherein the first fixed pin group, the second fixed pin group, the third fixed pin group, the first signal pin group, the second signal pin group and the third signal pin group are all arranged in the network connection area.

2. The Ethernet connector PCB packaging multiplexing structure according to claim 1, wherein: the first fixed pin group comprises fixed pin one, fixed pin two, fixed pin three and fixed pin four, and the first signal pin group comprises signal pin one; the second fixed pin group comprises fixed pin five, fixed pin six, fixed pin seven and fixed pin eight, and the second signal pin group comprises signal pin two and signal pin three; the third fixed pin group comprises fixed pin nine, fixed pin ten, fixed pin eleven and fixed pin twelve, and the third signal pin group comprises signal pin four, signal pin five, signal pin six and signal pin seven.

3. The Ethernet connector PCB packaging multiplexing structure according to claim 2, wherein: the fixed pin one is multiplexed with the fixed pin five, and the fixed pin two is multiplexed with the fixed pin six; or the fixed pin three is multiplexed with the fixed pin seven, and the fixed pin four is multiplexed with the fixed pin eight.

4. The Ethernet connector PCB packaging multiplexing structure according to claim 3, wherein: the signal pin one is multiplexed with the signal pin two; or the signal pin one is multiplexed with the signal pin three.

5. The Ethernet connector PCB packaging multiplexing structure according to claim 2, wherein: the fixed pin five is multiplexed with the fixed pin nine, and the fixed pin eight is multiplexed with the fixed pin twelve.

6. The Ethernet connector PCB packaging multiplexing structure according to claim 5, wherein: the signal pin two is multiplexed with the signal pin four, and the signal pin three is multiplexed with the signal pin seven.

7. The Ethernet connector PCB packaging multiplexing structure according to claim 2, wherein: the fixed pin one is multiplexed with the fixed pin nine; or the fixed pin four is multiplexed with the fixed pin twelve.

8. The Ethernet connector PCB packaging multiplexing structure according to claim 7, wherein: the signal pin one is multiplexed with the signal pin four; or the signal pin one is multiplexed with the signal pin seven.

9. The Ethernet connector PCB packaging multiplexing structure according to claim 2, wherein: the fixed pin one, the fixed pin five and the fixed pin nine are multiplexed, the fixed pin two and the fixed pin six are multiplexed, and the fixed pin eight and the fixed pin twelve are multiplexed; or the fixed pin one, the fixed pin five and the fixed pin nine are multiplexed, the fixed pin two and the fixed pin six are multiplexed, and the fixed pin eight and the fixed pin twelve are multiplexed. The fixing pin four, the fixing pin eight and the fixing pin twelve are multiplexed, the fixing pin three and the fixing pin seven are multiplexed, and the fixing pin five and the fixing pin nine are multiplexed.

10. The Ethernet connector PCB package multiplexing structure of claim 9, wherein, The signal pin one, the signal pin two and the signal pin four are multiplexed, and the signal pin three and the signal pin seven are multiplexed; or The signal pin one, the signal pin three and the signal pin seven are multiplexed, and the signal pin two and the signal pin four are multiplexed.

11. A PCB board characterized by, The Ethernet connector PCB package multiplexing structure of any one of claims 1-10 is arranged on the PCB board.

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