Multichannel signal port thunder-proof adapter

Multi-channel 2 M signals port anti-lightening adaptor includes an input connector and an output connector, which are all multi-channel input and output connectors. The multi-channel 2 M signals, which are received by the input connector, are connected with the output connector via an anti-lightening unit. The anti-lightening unit includes a first level protecting unit, a decoupling property maintaining unit and a second level protecting unit. The multi-channel 2 M signals port anti-lightening adaptor has higher integration, which makes the transmission of the 2 M signals convenient. And the input of every channel has anti-lightening function, which can protect the impact of the spill (transverse) and common module (vertical) lightening current.