Serial Wire Diagram. Each arduino board has at least one serial. Pinout and signals for full rs232 connector.
9 pin to 9 pin serial cable. You cannot simply connect them passively. Pin 6 orange receive wire.
Basics 18 embedded conduit drawing.
Rs232 cable colors included. Remember that pin 1 is on the left hand side of the rj45 connector with the clip at the rear. The resulting electrical network will have two terminals and itself can participate in a series or parallel topologywhether a two terminal object is an electrical component eg. Wiring diagram numbers may be found on the unit rating plate near the serial number or on the blower rating plate wiring diagrams that are found will be shown below.