How to ensure a stabile RS485 communication?

LTM2881 allows RS485 or RS422 communication even in harsh environment. RS485 is often used as physical layer for industrial buses like ModBus, ProfiBus, InterBus, P-Net, BACnet and Bit-Bus. Bus length depends on data rate and can reach as much as 1000m. Correct function of RS485 transceiver requires return path between...