A system for neurological stimulation, comprising: - a pulse generator module, including: a first housing configured to accommodate a pulse generator unit, wherein the first housing further includes a coupling portion; and a first electrical interface located at the coupling portion, wherein the pulse generator unit is configured to generate neurological stimulation pulses to be supplied to at least one neurological stimulation electrode via the first electrical interface; - a first lead interface module connectable to the coupling portion and the first electrical interface, wherein the first lead interface module is detachably connectable to the at least one neurological stimulation electrode; and - a second lead interface module connectable to the coupling portion and the first electrical interface, wherein the second lead interface module includes an extension cable connectable to an electrode coupling box for supplying the neurological stimulation pulses generated by the pulse generator unit to the at least one neurological stimulation electrode, wherein at least one of the first lead interface module and the second lead interface module includes at least one first connection means attachable to at least one second connection means of the coupling portion; and wherein the at least one first connection means and the at least one second connection means provide a rotational axis for the respective lead interface module (120, 130) so that the lead interface module (120, 130) is connectable to the coupling portion by means of a rotation of the lead interface module (120, 130) around the rotational axis. - a pulse generator module, including: a first housing configured to accommodate a pulse generator unit, wherein the first housing further includes a coupling portion; and a first electrical interface located at the coupling portion, wherein the pulse generator unit is configured to generate neurological stimulation pulses to be supplied to at least one neurological stimulation electrode via the first electrical interface; a first housing configured to accommodate a pulse generator unit, wherein the first housing further includes a coupling portion; and a first electrical interface located at the coupling portion, wherein the pulse generator unit is configured to generate neurological stimulation pulses to be supplied to at least one neurological stimulation electrode via the first electrical interface; - a first lead interface module connectable to the coupling portion and the first electrical interface, wherein the first lead interface module is detachably connectable to the at least one neurological stimulation electrode; and - a second lead interface module connectable to the coupling portion and the first electrical interface, wherein the second lead interface module includes an extension cable connectable to an electrode coupling box for supplying the neurological stimulation pulses generated by the pulse generator unit to the at least one neurological stimulation electrode, wherein at least one of the first lead interface module and the second lead interface module includes at least one first connection means attachable to at least one second connection means of the coupling portion; and wherein the at least one first connection means and the at least one second connection means provide a rotational axis for the respective lead interface module (120, 130) so that the lead interface module (120, 130) is connectable to the coupling portion by means of a rotation of the lead interface module (120, 130) around the rotational axis.