Emerson ControlWave EFM Instruction Manual page 126

ControlWave EFM Instruction Manual
Ethernet Port
Loop-back Test
5-24
Figure 5-14. Communications Diagnostic Menu
3. Enter 5 in the Number of Passes field.
Select a port to test (click  to display all available ports).
4.
: The port you select must correlate to the port on which you
Note
placed the loop-back plug in step 1.
Select 115200 or ALL ASYNC as the baud rate (click  to
5.
display all available rates).
Click RUN to start the test. At the completion of the test (which
6.
generally takes about 5 seconds), any failed results appear in the
Status field to the right of the RUN button:

TXD RXD Failure

CTS RTS Failure
Click Return to Menu to display the WINDIAG Main Menu.
7.
The Ethernet option on the WINDIAG Main Menu allows you to
select the Ethernet communication port (1) to test.
This test configures the Ethernet port's ability to transmit and receive
via the twisted pair. The text transmits frames and compares them
against received frames. You need a special loop-back plug (shown in
Figure 5-15) to perform the Ethernet loop-back test:
Service & Troubleshooting Revised Dec-2013