Connector

A connector, comprising:

• a main body comprising an input side, an output side, a plurality of power inputs, a plurality of signal inputs, a plurality of power outputs and a plurality of signal outputs, wherein the input side is opposite to the output side in a first direction, the plurality of power inputs and the plurality of signal inputs are arranged along a second direction on the input side, the first direction is perpendicular to the second direction, the plurality of power outputs are arranged along the second direction on the output side, the plurality of power outputs are electrically connected to the plurality of power inputs, the plurality of signal outputs are disposed on a bottom side of the main body and electrically connected to the plurality of signal inputs, and the bottom side is connected between the input side and the output side;
• a circuit board comprising an upper surface, wherein the bottom side of the main body is attached to the upper surface;
• and
• at least one signal connection socket disposed on the upper surface and electrically connected to the plurality of signal outputs through the circuit board.