Setting up RS-232 Hardware
Setting up RS-232 Hardware

Setting up RS-232 Hardware

The following accessories are necessary for a serial interface connection.
  • Power/GPIO Flying Leads cable
  • USB to Serial Adaptor
  • DB9 RS-232 D-SUB Serial Adaptor
  1. Connect the following wires from the flying leads cables to the DB9 Serial adaptor.
    Flying Leads to DB9 Serial Adapter Wire Diagram
    Callout
    Port Number
    Type
    Flying Leads Color
    1
    2
    Tx
    Yellow
    2
    3
    Rx
    White-Brown
    3
    5
    GRD
    Direct to Ground
  2. Connect DB9 Serial Adapter (female) to USB-to-Serial adapter (Male).
  3. Connect USB-to Serial adapter USB end into host PC.
  4. Identify the COM port associated with the USB-to-Serial adaptor.
  5. Identify the COM port associated with the USB-to-Serial adaptor using Device Manager on a Windows PC.
    1. Expand the Ports field and identify the USB-to-Serial adaptor.