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Frequently Asked Questions
Question 27: How do I perform a Loopback Test for my RS-232/RS-422 converter?
Answer:
Performing a Loopback Test is easy with CommFront's
232Analyzer software. Simply connect TX+ and TX- to RX+ and RX- respectively (or remove Jumper 1 and
terminate Jumper 2 & 3 on the termination board provided) and connect the
RS-232/RS-422 converter to your PC's COM port. Launch
232Analyzer software and
open the COM port. Key in some test commands (i.e. "CommFront" in ASCII format)
in the Send_Command_Pane, then click on the "Send" button, in the Logging
window, you should get an echo (i.e. "CommFront" in ASCII format) of the
commands sent.
By performing a simple Loopback Test like this, you can test both the
Transmitter and Receiver of your RS-232/RS-422 converter, which is very helpful
when you have questions about the performance of your converters or cables.
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