3Com S7902E, Configuration Manual

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4-3
Authentication Mode Being Password , and Console Port Login Configuration with Authentication Mode
Being Scheme for details.
Step 2: Perform the following configuration on the modem directly connected to the switch.
AT&F ----------------------- Restore the factory settings
ATS0=1 ----------------------- Configure to answer automatically after the first ring
AT&D ----------------------- Ignore DTR signal
AT&K0 ----------------------- Disable flow control
AT&R1 ----------------------- Ignore RTS signal
AT&S0 ----------------------- Set DSR to high level by force
ATEQ1&W ----------------------- Disable the modem from returning command response and the
result, save the changes
You can verify your configuration by executing the AT&V command.
z
The configuration commands and the output of different modems may differ. Refer to the user
manual of the modem when performing the above configuration.
z
It is recommended that the baud rate of the AUX port (also the Console port) be set to a value lower
than the transmission speed of the modem. Otherwise, packets may get lost.
Step 3: Connect your PC, the modems, and the switch, as shown in the following figure.
Figure 4-1 Establish the connection by using modems
Console port
PSTN
Telephone line
Modem serial cable
Telephone number
of the romote end:
82882285
Modem
Modem
Step 4: Launch a terminal emulation utility on the PC and set the telephone number to call the modem
directly connected to the switch, as shown in Figure 4-2 and Figure 4-3 . Note that you need to set the
telephone number to that of the modem directly connected to the switch.