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THIS CHAPTER DESCRIBES HOW TO USE THE TTYMON PORT MONITOR TOSET UP THE SERVICE Access Facility (SAF) for modems and character terminals. See Chapter 11, "Setting Up Printing Services," for information on how to use the SAF to set up printers.
You perform three basic tasks to set up a serial port device, such as a modem or a character terminal:
The Solaris environment now provides you with two additional tools that provide a graphical user interface to the SAF to manage terminals and modems:
See Tasks Not Supported by the Solstice Serial Port Manager describes three tasks that are not supported in the Solstice Serial Port Manager. You must use SAF commands to perform these tasks.
| Task | SAF Command | Description |
|---|---|---|
| Inform users that a port is disabled | ttyadmin -i | This command specifies the inactive (disabled) response message. The message is sent to a terminal or modem when a user logs in when the port is disabled. This functionality is not provided when you disable a port using Solstice Serial Port Manager. |
| Keep the modem connected when a user logs off a host | ttyadmin -h | This command specifies that the system does not hang up on a modem before setting or resetting to the default or specified value. If ttyadmin -h is not used, the host hangs up the modem when the user logs out of that host. |
| Require the user to type a character before the system displays a prompt | ttyadmin -r | This command specifies that ttymon requires the user to type a character or press Return a specified number of times before the login prompt is displayed. When -r is not specified, pressing Return one or more times prints the prompt anyway. This option prevents a terminal server from issuing a welcome message that the Solaris host might misinterpret to be a user trying to log in. Without the -r option, the host and terminal server might begin looping and printing prompts to each other. |
The following sections describe the variables used in the SAF commands in this chapter. When using SAF commands, you supply arguments to specify one (or more) of the variables described in See Variables Used with the SAF Commands. These variable names were chosen to match the names of the fields used to display the output of SAF commands. These variables and the files they use are described in the following sections.
| Variable | Example | Description |
|---|---|---|
| pmtag | zsmon | The name of a specific instance of a port monitor. |
| svctag | ttyb | The name of the port. |
| dev-path | /dev/term/b | The full name of the tty port device file. |
| ttylabel | 2400H | The baud rate and line discipline from the /etc/ttydefs file. |
| type | hayes | The type of the modem, as specified in the /etc/uucp/Devices file. |
You can use the pmtag variable to specify the name you assign to a specific instance of a port monitor. You can give port monitors any name you like, provided the name is unique and contains no more than 14 alphanumeric characters. The default pmtag variable for Solaris 2.x system software is zsmon for serial ports A and B. If you install a multiplexer, serial ports are automatically configured as part of the installation process and are given the pmtag variable ttymon0. SunSoft suggests that you use the system-defined pmtag variables.
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