Start the Solaris Management Console, if it's not already running.
% /usr/sadm/bin/smc &
For information on starting the Solaris Management Console, see Starting the Solaris Management Console in System Administration Guide: Basic Administration.
Click This Computer icon in the Navigation pane.
Click Devices and Hardware—>Serial Ports.
The Serial Ports menu is displayed.
Select the port to be initialized.
Choose Configure—>Initialize Only – No Connection
The Serial Port window is displayed in Basic Detail mode.
For a description of the Initialize Only menu items, see Table 2–4.
To configure the advanced items, select the port configured as initialize only. Then, select Properties from the Action menu.
Change the values of template entries, if desired.
Click OK to configure the port.
Verify that the modem service has been initialized.
$ pmadm -l -s ttyn