Network access device for accessing networked system components, especially in a vehicle, comprises a service gateway with two or more hierarchical levels for connecting to the network under the control of a gateway operator

摘要

The device for accessing at least one component in a networked system, especially in a motor vehicle that comprises a network of sub-network items with at least one sub-network having a gateway that is controlled by a gateway operator. The service gateway (38) is used to connect the network (10) to an interface for connection to an external device or network. The service gateway has at least two hierarchical levels controlled by the gateway operator.