Perle Systems RIO 5500036-17 - Manual (Page 287)

RIO Remote I/O System User Guide
SCO OpenServer 5 troubleshooting
Page 287
Performing the loopback test on a port
To run the loopback test on a port proceed as follows;
1. On the RTA containing the port you want to test, connect a loopback connector onto the
port to be tested. See Loopback connector pinouts on page 222 in Chapter 3 RIO
Cabling information .
2. In the tty menu, click on Port diagnostics and press the Enter key.
The Online Diagnostics menu is now displayed as shown in the next picture.
3. In the Online Diagnostics menu, click on Perform loopback test on port .
A test parameters window is now displayed which allows to set the values required for the
duration of the test.
Note
Before you can perform this test, you need to select the RTA and port you want using the
procedures given in
Selecting the RTA and port to test on page 281 .