Serial Communication Test

The serial diagnostic test utility allows you to set communication conditions and perform serial communication test.

See the Serial Diagnostic Test topic for more information.

Starting serial diagnostic test

Start \Utility\CommChk\CommChk.exe.

Setting communication conditions

COM setting: Specify the COM port number you want to test.

If you connect two COM ports with a cross cable, specify each port number for [Device 1] and [Device 2].
Specify the same port number for both [Device 1] and [Device 2] if communication is to be looped back using a single COM port.

Environment setting: Please specify [Baud rate] and [Data length] etc. to operate.

Starting test

Click the [Start] button to start the communication test under the specified conditions.

Checking test results

The results of the test are displayed in the Results window.

If the test results are normal, a successful completion message will be displayed.