PCB comprehensive design method for Ethernet port

The invention relates to the field of a PCB, in particular to a PCB comprehensive design method for an Ethernet port. A shell pin of the PCB of the Ethernet port is connected with a PGND plane; an LED lamp pin of the PCB of the Ethernet port is connected with a magnetic bead and a capacitor; the magnetic bead and the capacitor are connected with a post-stage control circuit; a pin of a differential line of the PCB of the Ethernet port is connected with a GDT; the GDT is connected with a power resistor; the power resistor is connected with a combined TVS diode; the combined TVS diode is connected with a primary part of a network transformer; a center tap of the primary part of the network transformer is connected with a BOB-Smith circuit; and a secondary part of the network transformer is connected with the post-stage control circuit. Therefore, safety standards, SI and EMC can be considered at the same time, and the reliability of a product is ensured. 本发明涉及PCB领域，具体涉及种以太网口的PCB综合设计方法，所述以太网口的PCB的外壳引脚与PGND平面相连；所