A thrust bearing for transmitting axial thrust forces between at least two gear parts rotating relative to each other in a gear arrangement is provided, with two coaxial, opposing race disks holding a cage with a plurality of roller bodies with radial play. A threshold laser current is determined. At least one of the electrode layers includes a plurality of electrodes which are electrically isolated from one another. When the preparation is completed, the virtualization device makes access requests to the storage control unit. The first, second, third, and fourth guiding mechanisms operate in this order during engagement of a receptacle side optical connector and a plug side optical connector.