Electrical connector assembly including an internal circuit board having three rows of conductive pads respectively at three end portions thereof

1. An electrical connector assembly comprising:

a bracket; and

at least one transmission assembly mounted to the bracket and including an internal printed circuit board (PCB), a board-mount connector connected to a first row of conductive pads disposed at a bottom end portion of the PCB, and a plug-in connector connected to a second row of conductive pads disposed at a front end portion of the PCB; wherein

the PCB has a third row of conductive pads disposed at a rear end portion thereof;

the board-mount connector has a mating port and the bottom end portion of the PCB enters the mating port; and

the plug-in connector has a mating port and the front end portion of the PCB enters the mating port.

2. The electrical connector assembly as claimed in claim 1 , wherein the first row of conductive pads are arranged along a front-to-rear direction and the second row of conductive pads are located rearward behind a front most conductive pad of the first row of conductive pads.

3. The electrical connector assembly as claimed in claim 1 , wherein both the second and third rows of conductive pads are arranged along a top-to-bottom direction and a topmost conductive pad of the third row of conductive pads is located lower than a topmost conductive pad of the second row of conductive pads.

4. The electrical connector assembly as claimed in claim 1 , wherein both the second and third rows of conductive pads are arranged along a top-to-bottom direction and a bottommost conductive pad of the third row of conductive pads is located lower than a bottommost conductive pad of the second row of conductive pads.

5. The electrical connector assembly as claimed in claim 1 , wherein there are plural transmission assemblies, and the bracket includes a pair of legs secured to a corresponding pair of board-mount connectors, respectively.

6. The electrical connector assembly as claimed in claim 1 , wherein there are plural transmission assemblies, and the bracket includes a leg located between two corresponding board-mount connectors.

7. The electrical connector assembly as claimed in claim 1 , wherein there are plural transmission assemblies, and all the board-mount connectors are side-by-side interlocked together.

8. An electrical connector assembly comprising:

a bracket including a main body and a pair of legs; and

at least one transmission assembly mounted to the bracket and including an internal printed circuit board (PCB), a board-mount connector connected to a first row of conductive pads disposed at a bottom end portion of the PCB, and a plug-in connector connected to a second row of conductive pads disposed at a front end portion of the PCB; wherein

the main body has at least one slot receiving an associated plug-in connector and the pair of legs and a bottom of the main body define a space accommodating respective board-mount connector of the at least one transmission assembly.

9. The electrical connector assembly as claimed in claim 8 , wherein there are plural transmission assemblies, and the pair of legs are secured to a corresponding pair of board-mount connectors, respectively.

10. The electrical connector assembly as claimed in claim 8 , wherein there are plural transmission assemblies, and one of the pair of legs is located between two corresponding board-mount connectors.

11. The electrical connector assembly as claimed in claim 8 , wherein there are plural transmission assemblies, and all the board-mount connectors are side-by-side interlocked together.

12. The electrical connector assembly as claimed in claim 8 , wherein the PCB has a third row of conductive pads disposed at a rear end portion thereof.

13. An electrical connector assembly comprising:

a bracket; and

at least one transmission assembly mounted to the bracket and including an internal printed circuit board (PCB), a board-mount connector connected to a first row of conductive pads disposed at a bottom end portion of the PCB, and a plug-in connector connected to a second row of conductive pads disposed at a front end portion of the PCB; wherein

the PCB has a third row of conductive pads disposed at a rear end portion thereof; and

the plug-in connector is located rearward behind a frontmost portion of the board-mount connector.

14. The electrical connector assembly as claimed in claim 13 , wherein the first row of conductive pads are arranged along a front-to-rear direction and the second row of conductive pads are located rearward behind a frontmost conductive pad of the first row of conductive pads.

15. The electrical connector assembly as claimed in claim 13 , wherein both the second and third rows of conductive pads are arranged along a top-to-bottom direction and a topmost conductive pad of the third row of conductive pads is located lower than a topmost conductive pad of the second row of conductive pads.

16. The electrical connector assembly as claimed in claim 13 , wherein both the second and third rows of conductive pads are arranged along a top-to-bottom direction and a bottommost conductive pad of the third row of conductive pads is located lower than a bottommost conductive pad of the second row of conductive pads.

17. The electrical connector assembly as claimed in claim 13 , wherein there are plural transmission assemblies, and the bracket includes a pair of legs secured to a corresponding pair of board-mount connectors, respectively.

18. The electrical connector assembly as claimed in claim 13 , wherein there are plural transmission assemblies, and the bracket includes a leg located between two corresponding board-mount connectors.

19. The electrical connector assembly as claimed in claim 13 , wherein there are plural transmission assemblies, and all the board-mount connectors are side-by-side interlocked together.