Elevator communication system

An elevator communication system, comprising:

• an elevator controller;
• a first ethernet bus portion connected to a first port of the elevator controller;
• a second ethernet bus portion connected to a second port of the elevator controller;
• and
• at least one elevator system node communicatively connected to the elevator controller via the first ethernet bus portion and the second ethernet bus portion,
• wherein:
• the first ethernet bus portion comprises sequential bus segments interconnected by at least one switch;
• the second ethernet bus portion comprises sequential bus segments interconnected by at least one switch, wherein second ethernet bus portion extends in the same elevator shaft with the first ethernet bus portion;
• wherein the elevator communication system further comprises an ethernet bus segment between a switch of the first ethernet bus portion and a switch of the second ethernet bus portion, and
• wherein:
• the at least one elevator system node comprises a safety node arranged at a pit of an elevator shaft,
• the first ethernet bus portion comprises a point to point ethernet bus connected between the first port of the elevator controller and a first port of the safety node,
• the second ethernet bus portion comprises a multi-drop ethernet bus connected between the second port of the elevator controller and a second port of the safety node, and
• the elevator communication system further comprises at least one landing node connected to the multi-drop ethernet bus, and
• wherein the switch of the first ethernet bus portion and the switch of the second ethernet bus portion are physically co-located at the same elevator landing, and the ethernet bus segment comprises a point-to-point cable connection between co-located ports of the respective switches.