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Quickly test a serial port is operational by transmitting and receiving test text. |
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Pin 2 is receive and pin3 is transmit. |
A D9 to RJ45 adapter can be useful to bring out pins 2 and 3 away from the computer using a Category 5 cable with RJ45 connectors. |
The software is written for a Windows PC with .NET framework 2. This will be present on XP, Vista and Windows 7 computers. There are 2 files to choose from relative to which serial port is to be used.
Save the files into any directory. When run they will create 2 text files in the same directory.
The serial port loopback test process takes less than 1 second to complete.
Start,8/16/2010 11:10:58 AM
SerialLoopbackTestSuccessful
Finish, 8/16/2010 11:10:59 AM
Start,8/15/2010 12:45:13 AM,SerialLoopbackTestSuccessful,Finish, 8/15/2010 12:45:13 AM
Start,8/15/2010 12:45:50 AM,SerialLookbackTestFailed,Finish, 8/15/2010 12:45:50 AM
Start,8/15/2010 12:46:11 AM,SerialLoopbackTestSuccessful,Finish, 8/15/2010 12:46:11 AM
Matthewb Homepage | Computer Efficiency Section | Desktop Computer System Selection Guide | Laptop Computer System Selection Guide | Netbook Computer System Selection Guide | Netbook PC energy savings |