Abstract:
An elevator installation for serving at least one floor in at least one building can be modernized, the elevator installation comprising at least one elevator with at least one elevator car and at least one elevator control. At least one destination call terminal for input of at least one destination call and/or for recognition of at least one identification code is installed on at least one input floor. At least one destination call control is installed. The destination call terminal is, for communication of the destination call signal, connected with the destination call control. The destination call control can be connected to the elevator control through a serial interface of the elevator control.