Abstract: A data management device for a two-wheeled vehicle, in particular an e-bike, pedelec, or the like, for the management and/or the diagnosis of operating data of the two-wheeled vehicle. The device includes a first communication interface for wireless communication with wireless two-wheeled vehicle devices of the two-wheeled vehicle, a second communication interface designed for communication with at least one two-wheeled vehicle system device, a third communication interface for the in particular authenticated and/or encrypted communication with a diagnostic device for the at least partial provision, modification, deletion, and/or retrieval of operating data of the two-wheeled vehicle, and a data management component for the management of operating data of wireless two-wheeled vehicle devices. The data management component being connected to the third communication interface and being designed to receive, to modify, to delete, and/or to provide operating data.

Abstract: A digital communication system user, via which a first logic signal and a second logic signal are transmitted, includes an activation circuit that includes encompassing a supply unit, a switching unit, a transmission unit, and a communication interface. The supply unit provides an internal supply voltage, the switching unit couples the supply unit to the transmission unit to supply the transmission unit with the internal supply voltage, and the transmission unit outputs a wake-up signal, which includes the first logic signal, to the communication interface in response to being supplied with the internal supply voltage by the supply unit, and subsequently continuously outputs the second logic signal to the communication interface until the switching unit separates the transmission unit from the supply unit by.

Abstract: A digital communication system user, via which a first logic signal and a second logic signal are transmitted, includes an activation circuit that includes encompassing a supply unit, a switching unit, a transmission unit, and a communication interface. The supply unit provides an internal supply voltage, the switching unit couples the supply unit to the transmission unit to supply the transmission unit with the internal supply voltage, and the transmission unit outputs a wake-up signal, which includes the first logic signal, to the communication interface in response to being supplied with the internal supply voltage by the supply unit, and subsequently continuously outputs the second logic signal to the communication interface until the switching unit separates the transmission unit from the supply unit by.