Console port, Using the console port as a standard tty port – Comtrol DM ATS-LNX User Manual

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CONSOLE Port

This section contains information about how to use the CONSOLE port. In
addition, this section discusses how to change the default configuration and use it
as a standard RS-232 serial port.

By default, the CONSOLE (ttyS0) port is configured for serial console
administration.

Using the CONSOLE Port as a Standard TTY Port

To disable the login prompt on the CONSOLE port, comment out the ttyS0 line in
the /etc/inittab file.

#T0:23:respawn:/sbin/getty -L ttyS0 57600 vt100

In both cases you will have to either reboot or do one of the following:

•

Notify init of the changes with this command:

# telinit q

•

Kill any getty or mgetty running on the port in question:

# ps
PID TTY STAT TIME COMMAND
1 ? S 0:05 init [2]
2 ? SW 0:00 [keventd]
[...]
1149 ttyS0 S 0:00 /sbin/getty -L ttyS0 57600 vt100
[...]
# kill 1149