... topology is adopted when RS485 is signaled. Network components like repeater and connector, and concepts like network segment, terminal, etc, are ... in the Standards. As shown in Fig. 1-1, the repeater cuts the bus into Segment 1 and Segment 2, and ... .4. Monitor and diagnose: Through the LED indicator on PROFIBUS Repeater, one can monitor the working condition of PROFIBUS network and ...