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EE > debugging

document updated 18 years ago, on Apr 5, 2006

Loopback plugs can be helpful in some circumstances to confirm that, at the very least, the serial port is work. They're very easy to construct myself.

Connecting a null cable to yourself and reading the output can also be useful. It allows you to read from a different program, and can confirm that the baud rate and such are correct.

Passthrough: add a logging device/computer in between the two sides, which logs and passes on the data to the other side. Requires two null modem cables.