The customer benefits from fast and easy processes, simplified warehousing and fast replacement of the exchangeable unit in case of defective connectors, due to application-specific packages. The MULTILINE E exchangeable unit for robots consists of two multi-media connectors, two mounting brackets for mounting the unit on the system, two tube bundles for mounting the protective tube, and the protective tube itself. Depending on the individual configuration of the multi-media connectors, other components include pre-assembled electrical cables and tubes, in addition to the corresponding inserts. For simple applications Eisele also configures exchangeable units for supplying robots on the basis of the MULTILINE 1800 and MULTILINE 1811 series.