2. Connectors2.1 Installation noteAttention:It is important to take care that the marked tab connector is connected to the suppliedcable plug. The device always needs to be professionally grounded using a yellow/greenflexible line with a minimum profile of 0.75mm².V17/01/08 deister electronic GmbH 30890 Barsinghausen Germany 5Wiring & Installation Instructions UDL500RS485terminationresistor(terminator)Tab connectorfor grounding