A connection device, and an arrangement comprising such a connection device, for connecting, in particular coupling, at least one external functional device to an arrangement by pressing the external functional device. The connection device comprises at least one reception device having at least one first contact portion. It further comprises at least one pressing device which is configured for transferring at least the first contact portion from a first position into the second position by applying a first force (F1) and a second force (F2). The two forces (F1) and (F2) are of a different magnitude.
