|SerialTest.zip (181.0 kB)|
|Testing Serial Cards 2.0.pdf (207.8 kB)|
Consider creating a loop back connector, for a loop back test as detailed in this FAQ.
For details on testing your Brainboxes port using HyperTerminal please see the Testing Serial Cards.pdf which is available to download above.
You can also use the Serial test application which is available to download above to perform a loopback test to check your port is working.