4-4Configuration on the Switch SideModem ConfigurationPerform the following configuration on the modem directly connected to the switch:AT&F ----------------------- Restore the factory settingsATS0=1 ----------------------- Configure to answer automatically after the first ringAT&D ----------------------- Ignore DTR signalAT&K0 ----------------------- Disable flow controlAT&R1 ----------------------- Ignore RTS signalAT&S0 ----------------------- Set DSR to high level by forceATEQ1&W ----------------------- Disable the modem from returning command response and theresult, save the changesYou can verify your configuration by executing the AT&V command.z The above configuration is unnecessary to the modem on the administrator side.z The configuration commands and the output of different modems may differ. Refer to the usermanual of the modem when performing the above configuration.Switch Configurationz After logging into a switch through its Console port by using a modem, you will enter the AUX userinterface. The corresponding configuration on the switch is the same as those when logging intothe switch locally through its Console port except that:z When you log in through the Console port using a modem, the baud rate of the Console port isusually set to a value lower than the transmission speed of the modem. Otherwise, packets mayget lost.z Other settings of the Console port, such as the check mode, the stop bits, and the data bits, remainthe default.The configuration on the switch depends on the authentication mode the user is in. Refer to Table 2-3for the information about authentication mode configuration.Configuration on switch when the authentication mode is noneRefer to Console Port Login Configuration with Authentication Mode Being None.Configuration on switch when the authentication mode is passwordRefer to Console Port Login Configuration with Authentication Mode Being Password.
