an input interface configured to receive a differential input signal carrying digital serial data;

a reference interface configured to provide a predefined reference voltage;

a high pass filter coupled to the input interface, the high pass filter configured to filter the differential input signal and generate a filtered differential input signal;

a differential integrator coupled to the high pass filter and the reference interface, the differential integrator configured to receive the filtered differential input signal and generate a differential output signal including a first output signal and a second output signal, each of the first and second output signals having a common mode output voltage substantially equal to the predefined reference voltage;

a comparator including an operational amplifier, the comparator coupled to the differential output signal of the differential integrator, wherein the operational amplifier has no feedback and is configured to convert the first output signal and the second output signal, which share the common mode output voltage, to an output digital signal that recovers the digital serial data carried by the differential input signal; and

a connector including a plurality of data lanes and a pair of differential command pins, the pair of differential command pins distinct from the plurality of data lanes and coupled to the input interface, wherein: