u.s. converters
UCW232C/UCW4842
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14
Verifying communication with a loop-back test
To check if the UCW232C can send and receive data successfully you can make a loop-back test using
AccessPort (can be downloaded fromFirst carefully loop-back the TX pin (pin 2) to the RX pin (pin 3) on the DB9 connector of the UCW232C by
placing a jumper (for example a paperclip) between the TX and RX pins: