Perle Systems RIO 5500036-17 - Manual (Page 283)

RIO Remote I/O System User Guide
SCO OpenServer 5 troubleshooting
Page 283
Before proceeding, you need to disable all logins on the port you are going to test to do
this;
6. In the tty menu click on Enabled? and press the Enter key.
The TTY en/disable menu is now displayed,
7. In the TTY en/disable menu, click on Both disabled and press the Enter key.
8. 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.