UART wiring for Sipy to FOCA converter



  • I would greatly appreciate your assistance.

    I am trying to connect my Sipy to Windows PC via a Foca USB to Serial converter. I just cant seem to get it to work.

    A few questions:

    1. The output pins on the converter are VCC, GND, TX, RX and DTR. To which pin on the Sipy do I connect the DTR output to?
    2. My current connections are:
    • VCC to VCC
    • GNV to GNV
    • TX to RX
    • RX to TX
    • DTR to RTS (pin 11)

    I am using Putty to connect. I get to the terminal screen but the cursor stays solid green.

    1. A previous program is running and the unit is flashing blue every 4 seconds

    How do I get the Serial comms working.

    Much appreciated.



  • @Vercellotti
    a) You must set Putty to "No flow control", 8 N 1
    b) Try to exchange RX/TX. (RX to Rx, TX to TX). The labeling is sometimes swapped.
    c) And yes, you do not need DTR.



  • I don't know about the DTR pin, I don't think you need it.

    Did you install the drivers?


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