A method for setting up an elevator communication system comprising an ethernet bus (102, 132); a controller communicatively connected to the ethernet bus (102, 132) and being configured to communicate via the ethernet bus (102, 132); a plurality of elevator system nodes (106A, 106B, 108A, 108B, 122A, 122B, 122C, 122D) communicatively connected to the ethernet bus (102, 132) and being configured to communicate via the ethernet bus (102, 132), wherein each elevator system node (106A, 106B, 108A, 108B, 122A, 122B, 122C, 122D) is associated with a respective landing; a landing multi-drop or point-to-point ethernet bus segment (116A, 116B, 118A, 118B, 128A, 128B, 128C, 128D, 138A, 138B) at each landing, the landing multi-drop or point-to-point ethernet bus segment (116A, 116B, 118A, 118B, 128A, 128B, 128C, 128D, 138A, 138B) being connected to the elevator system node (106A, 106B, 108A, 108B, 122A, 122B, 122C, 122D) associated with the landing; landing nodes (114A, 114B, 114C, 114D, 124A, 124B, 126A, 126B, 126C, 126D) at each landing connected to a respective landing multi-drop or point-to-point ethernet bus segment (116A, 116B, 118A, 118B, 128A, 128B, 128C, 128D, 138A, 138B), wherein the landing node (114A, 114B, 114C, 114D, 124A, 124B, 126A, 126B, 126C, 126D) comprises one of a display, a destination call panel, a car call button, a safety contact, a voice intercom system, and a camera; wherein each elevator system node of the plurality of elevator system nodes (106A, 106B, 108A, 108B, 122A, 122B, 122C, 122D) is provided with a connecting unit (120A-120D, 134A, 134D, 140A, 140B) to enable communication between the ethernet bus (102, 132) and the respective landing multi-drop or point-to-point ethernet bus segment (116A, 116B, 118A, 118B, 128A, 128B, 128C, 128D, 138A, 138B), wherein the method comprises: connecting a landing node (114A, 114B, 114C, 114D, 124A, 124B, 126A, 126B, 126C, 126D) to an elevator system node (106A, 106B, 108A, 108B, 122A, 122B, 122C, 122D) via a respective landing multi-drop or point-to-point ethernet bus segment (116A, 116B, 118A, 118B, 128A, 128B, 128C, 128D, 138A, 138B); communicating, by the elevator system node (106A, 106B, 108A, 108B, 122A, 122B, 122C, 122D), identification data of the landing node (114A, 114B, 114C, 114D, 124A, 124B, 126A, 126B, 126C, 126D) to the controller; generating, by the controller, configuration data based on the identification data; transmitting, by the controller, the configuration data to the elevator system node (106A, 106B, 108A, 108B, 122A, 122B, 122C, 122D); and transmitting, by the elevator system node (106A, 106B, 108A, 108B, 122A, 122B, 122C, 122D), the configuration data to the landing node (114A, 114B, 114C, 114D, 124A, 124B, 126A, 126B, 126C, 126D) to set up the landing node (114A, 114B, 114C, 114D, 124A, 124B, 126A, 126B, 126C, 126D). an ethernet bus (102, 132); a controller communicatively connected to the ethernet bus (102, 132) and being configured to communicate via the ethernet bus (102, 132); a plurality of elevator system nodes (106A, 106B, 108A, 108B, 122A, 122B, 122C, 122D) communicatively connected to the ethernet bus (102, 132) and being configured to communicate via the ethernet bus (102, 132), wherein each elevator system node (106A, 106B, 108A, 108B, 122A, 122B, 122C, 122D) is associated with a respective landing; a landing multi-drop or point-to-point ethernet bus segment (116A, 116B, 118A, 118B, 128A, 128B, 128C, 128D, 138A, 138B) at each landing, the landing multi-drop or point-to-point ethernet bus segment (116A, 116B, 118A, 118B, 128A, 128B, 128C, 128D, 138A, 138B) being connected to the elevator system node (106A, 106B, 108A, 108B, 122A, 122B, 122C, 122D) associated with the landing; landing nodes (114A, 114B, 114C, 114D, 124A, 124B, 126A, 126B, 126C, 126D) at each landing connected to a respective landing multi-drop or point-to-point ethernet bus segment (116A, 116B, 118A, 118B, 128A, 128B, 128C, 128D, 138A, 138B), wherein the landing node (114A, 114B, 114C, 114D, 124A, 124B, 126A, 126B, 126C, 126D) comprises one of a display, a destination call panel, a car call button, a safety contact, a voice intercom system, and a camera; wherein each elevator system node of the plurality of elevator system nodes (106A, 106B, 108A, 108B, 122A, 122B, 122C, 122D) is provided with a connecting unit (120A-120D, 134A, 134D, 140A, 140B) to enable communication between the ethernet bus (102, 132) and the respective landing multi-drop or point-to-point ethernet bus segment (116A, 116B, 118A, 118B, 128A, 128B, 128C, 128D, 138A, 138B), connecting a landing node (114A, 114B, 114C, 114D, 124A, 124B, 126A, 126B, 126C, 126D) to an elevator system node (106A, 106B, 108A, 108B, 122A, 122B, 122C, 122D) via a respective landing multi-drop or point-to-point ethernet bus segment (116A, 116B, 118A, 118B, 128A, 128B, 128C, 128D, 138A, 138B); communicating, by the elevator system node (106A, 106B, 108A, 108B, 122A, 122B, 122C, 122D), identification data of the landing node (114A, 114B, 114C, 114D, 124A, 124B, 126A, 126B, 126C, 126D) to the controller; generating, by the controller, configuration data based on the identification data; transmitting, by the controller, the configuration data to the elevator system node (106A, 106B, 108A, 108B, 122A, 122B, 122C, 122D); and transmitting, by the elevator system node (106A, 106B, 108A, 108B, 122A, 122B, 122C, 122D), the configuration data to the landing node (114A, 114B, 114C, 114D, 124A, 124B, 126A, 126B, 126C, 126D) to set up the landing node (114A, 114B, 114C, 114D, 124A, 124B, 126A, 126B, 126C, 126D).