An apparatus comprising a coupling module and a processing module coupled to said coupling module, said coupling module comprising: an input connection connected to an input module to receive a high speed communication signal from the input module; a high pass module connected to the input connection for receiving the high speed communication signal from the input connection, the high pass module configured to filter the high speed communication signal and output a first filtered signal including signal frequencies greater than a first predetermined frequency; a low pass module connected to the input connection in parallel with the high pass module for receiving the high speed communication signal from the input connection, the low pass module configured to filter the high speed communication signal and output a second filtered signal including signal frequencies less than a second predetermined frequency, the low pass module configured to adjust a DC offset voltage of the high speed communication signal to provide a predetermined DC offset voltage to the second filtered signal; an output connection connected to the high pass module and the low pass module, the output connection for receiving the first filtered signal from the high pass module and the second filtered signal from the low pass module, the output connection configured to combine the first filtered signal and the second filtered signal to form a combined signal and provide the combined signal to the processing module having a required DC offset voltage; and wherein the predetermined DC offset voltage of the second filtered signal corresponds to the required DC offset voltage of the processing module. an input connection connected to an input module to receive a high speed communication signal from the input module; a high pass module connected to the input connection for receiving the high speed communication signal from the input connection, the high pass module configured to filter the high speed communication signal and output a first filtered signal including signal frequencies greater than a first predetermined frequency; a low pass module connected to the input connection in parallel with the high pass module for receiving the high speed communication signal from the input connection, the low pass module configured to filter the high speed communication signal and output a second filtered signal including signal frequencies less than a second predetermined frequency, the low pass module configured to adjust a DC offset voltage of the high speed communication signal to provide a predetermined DC offset voltage to the second filtered signal; an output connection connected to the high pass module and the low pass module, the output connection for receiving the first filtered signal from the high pass module and the second filtered signal from the low pass module, the output connection configured to combine the first filtered signal and the second filtered signal to form a combined signal and provide the combined signal to the processing module having a required DC offset voltage; and wherein the predetermined DC offset voltage of the second filtered signal corresponds to the required DC offset voltage of the processing module.