An equipment provided with a docking device for receiving an extractable element comprising a housing carrying a pluggable connector and having at least one grounding surface, the equipment comprising a printed circuit card carrying a device including a central body from which there extend two parallel rails for slidably receiving side portions of the housing, and a connector having tabs soldered to the printed circuit while being arranged to co-operate with the pluggable connector of the extractable element in the sliding direction, and at least one contact element comprising a fastener tab soldered to the printed circuit, the contact element being electrically conductive and being arranged to be pressed against the grounding surface while the extractable element is being put into place in the equipment.