IBM Enterprise Server H80 Series - Manual (Page 192)

Serial Port Configuration
To configure the serial port on an AIX system, run the following from an AIX console:
1. Log in as root user.
2. To determine if you have any serial ports already configured, type:
lsdev -Cc tty
If no serial ports are configured, none are listed. If you want to configure serial
ports that are not listed, continue with the remaining steps.
3. Identify the serial port(s) with the modem(s).
4. Type smit tty
5. Select add tty
6. Select RS232
7. Select Baud rate 9600 or higher.
8. Select login enable and set the flow control to RTS.
9. Commit the selections and set up any other needed serial ports.
10. Exit SMIT.
176 RS/6000 Enterprise Server Model H80 Series User's Guide