b. Use the menus to finish the enrolling process.
c. Use the same password used when running mokutil.
d. Save the key.
e. Reboot again.
5. For RS-422, use RS-422 cables with the EMP2-X4S2 card.
For the RS-422 port-to-port test, connect the RS-422-A and RS-422-B as detailed in the following:
● RS-422-A-pin2 and RS-422-B-pin3 are connected with a cable.
● RS-422-A-pin3 and RS-422-B-pin2 are connected with a cable.
● RS-422-A-pin7 and RS-422-B-pin8 are connected with a cable.
● RS-422-A-pin8 and RS-422-B-pin7 are connected with a cable.
6. After the RS-422 hardware is prepared, open two terminal windows.
For the first terminal window:
$ sudo minicom -D /dev/ttyXR0
For the second terminal window:
$ sudo minicom -D /dev/ttyXR1
Type some words in the first terminal to confirm that you can see the words displayed in the second terminal.
7. For RS-485, use RS-485 cables with the EMP2-X4S2 card.
For the RS-485 port-to-port test, connect the RS-485-A and RS-485-B as detailed in the following:
● RS-485-A-pin2 and RS-485-B-pin2 are connected with a cable.
● RS-485-A-pin8 and RS-485-B-pin8 are connected with a cable.
8. After the RS-485 hardware is prepared, open two terminal windows.
For the first terminal window:
$ sudo minicom -D /dev/ttyXR2
For the second terminal window:
$ sudo minicom -D /dev/ttyXR3
Type some words in the first terminal to confirm that you can see the words displayed in the second terminal.
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Setting Up the Ubuntu Operating System
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