3Com Switch 7750 Configuration Guide Guide

Modem Connection Establishment 69
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.
n
The configuration commands and the output of different modems may differ.
Refer to the user manual of the modem when performing the above
configuration.
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.
3 Connect your PC, the modems, and the switch, as shown in the following figure.
Figure 16 Establish the connection by using modems
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 17 and Figure 18.
Note that you need to set the telephone number to that of the modem directly
connected to the switch.
Modem
Telephone line
Modem
Serial cable
Telephone number: 82882285
Console port
PS TN
PC
Modem
Telephone line
Modem
Serial cable
Telephone number: 82882285
Console port
PS TN
PC