Title: Hardware Installation Guide.pdf
When connecting a controller to a Lantronix device, do not use RS-485 communication. This particular configuration also lacks hardware handshake signals. RTS on the Lantronix must be connected to CTS on the controller. At 115,200 baud, CTS on the Lantronix must be connected to RTS on the controller as well, which is not provided via RS-485.RS-485 Line TerminationRS-485 (2-wire or 4-wire) must be terminated at both ends of the RS-485 line (bus). Terminating the line provides a more reliable communication by minimizing the signal reflection and external noise coupling.98 — revision 6Hardware Installation GuideEach component provided has an on-board termination. It is up to the installer to determine which device is at the end of the communication line.Belden Wire SpecificationsTrade Number UL NEC Type CSA CertificationNumbe r of PairsNominal D.C. R. ConductorShieldNominal Impedance (Ohms)Nominal CapacitancepF/feetpF/ meter9841124.0 ohms/M3.35 ohms/M12012.842