RS232 connections, and wiring up serial ports - AirBorn Connecting together two serial devices involves connecting the Rx of one device to the Tx of the other, and vice versa. The diagram below indicates how you Wiring Diagram For Serial Port - Wiring Diagram Diagrams for connecting bare wire of gps nmea 0183 to serial port serial port wiring diagram manual e books rs232 cable wiring diagrams the wiring diagram of serial