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134 Sun Fire V490 Server Administration Guide • August 2004
For detailed information about system console options, see “About Communicating
With the System” on page 69.
What to Do
1. Attach one end of the serial cable to the alphanumeric terminal’s serial port.
Use an RJ-45 null modem serial cable or an RJ-45 serial cable and null modem
adapter. Plug this into the terminal’s serial port connector.
2. Attach the opposite end of the serial cable to the Sun Fire V490 system.
Plug the cable into the system’s built-in serial port (ttya) connector.
3. Connect the alphanumeric terminal’s power cord to an AC outlet.
4. Set the alphanumeric terminal to receive:
■ At 9600 baud
■ An 8-bit signal with no parity and 1 stop bit
See the documentation accompanying your terminal for information about how to
configure it.
5. Decide whether you need to reset OpenBoot configuration variables.
Certain OpenBoot configuration variables control from where system console input
is taken and to where its output is directed.
■ If you are installing a new system – The default OpenBoot configuration variable
settings will work properly. You are done with this procedure and can skip the
remaining steps.
■ If you have previously altered OpenBoot configuration variable settings – For example,
to use the system controller as the system console, you need to change the
OpenBoot configuration variables back to their default values. Continue with the
next step from the existing system console.
■ If you are not sure whether OpenBoot configuration variable settings have been altered –
See “How to View and Set OpenBoot Configuration Variables” on page 180. Verify
that the settings are as given in “Reference for System Console OpenBoot Variable
Settings” on page 141. If not, reset them as described in the next step.
6. If necessary, reset OpenBoot configuration variables.
From the existing system console, type:
ok setenv diag-out-console false
ok setenv input-device ttya
ok setenv output-device ttya