Emerson Process Management ControlWave XFC - Manual (Page 86)

3-10 / Service CI-ControlWave XFC
3. Click on RUN button next to External loop-back.
Test responses:
a) Success - All sections of test passed
b) Failure - TXD RXD Failure
- CTS RTS Failure
Execution time < 5 sec.
Figure 3-5 - RS-232 Loop-back Wires
Figure 3-6 - WINDIAG’s Communications Diagnostic Menu