Regaining Configuration Access To The Ppp Serial Port Console - Lucent Technologies Cajun P220 Operation Manual

4. In the Modem Init Cmd field, enter your modem initialization command.
The default modem configuration string is AT&D0S0=1.
Parameter
&D0
S0=1
CD follows carrier
E0
Software Flow Control
(Receive and Transmit)
5. Click APPLY to save your changes, or CANCEL to restore previous settings.
Note: If you misconfigure your PPP serial console port, you can regain CLI access to
correct the configuration parameters. For more information, refer to

"Regaining Configuration Access to the PPP Serial Port Console".

Safety Tip: To successfully dial-in with PPP to the switch, you must also configure an IP
Regaining Configuration Access to the PPP Serial Port Console
If the PPP serial port console is configured incorrectly, the command line interface (CLI)
becomes temporarily unavailable for reconfiguration.
To regain access to the CLI when the console port is in PPP mode:
1. In the console window, enter TTY. The CLI login prompt displays. It may be
necessary to press Enter several times to see the login prompt. You may see the
modem init command string.
2. At the Login prompt, enter your user name. The password prompt displays.
3. At the Password prompt, enter your password. The Cajun CLI prompt displays.
4. Enter the PPP configuration commands necessary to start PPP. Refer to
"Configuring the Serial Console Port as a PPP Console", earlier in this chapter, and
"Creating an IP Interface", in Chapter 7, for more information on PPP
configuration commands.
Cajun P550/P220 Switch Operation Guide
Table 3-18. Modem Configuration String Parameters
Definition
Disable DTR
Auto-answer mode (one ring)
Depends on modem
Disable local echo
Depends on modem
address and interface for the PPP Serial Interface (Serial-Console). Refer to
"Configuring the IP Interface for the PPP Console", later in this chapter for
more information.
Configuring the Cajun P550 Switch (Layer 2 & Layer 3)
3-27