57 Chapter 4
4.2 Running Diagnostic Test
The purpose of this test is to make sure the communication from host PC
to ADAM-4570 series is OK. If there is still an error, you can check the
communication from the ADAM-4570 series to the devices.
If the test is selected, an external test will be done to check that the
connection signals for each port are working properly. For the test, you
will need to connect each port to a loopback tester (provided in the
package). The loopback test only applies to RS-232 mode. The test is
divided into two parts: Signal test and Communication Parameters test.
Note Before you do this diagnostic test, you must complete
the process of virtual COM port mapping (which is
described in the next chapter 4.1).
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