MDI two-in-one anti-thunder protector

The utility model provides a MDI two-in-one anti-thunder protector, comprising a power protection circuit disposed between a power input end and a power output end, and a signal protection circuit disposed between a gigabit network signal input end and a gigabit network signal output end. The power protection circuit and the signal protection circuit of the gigabit network signal use three-stage protection. The three-level protection is respectively a pre-stage thunder leakage circuit, a middle-stage decoupling protection circuit, and a post-stage end protection circuit. The MDI two-in-one anti-thunder protector is simple in structure and good in safety protection performance.