Modem Connection Establishment - H3C S7500E Series Operation Manual

Operation Manual – Login
H3C S7500E Series Ethernet Switches
I. Configuration on switch when the authentication mode is none
Refer to
II. Configuration on switch when the authentication mode is password
Refer to
III. Configuration on switch when the authentication mode is scheme
Refer to

4.4 Modem Connection Establishment

Step 1: Configure the user name and password on the switch. Refer to
Login Configuration with Authentication Mode Being
Configuration with Authentication Mode Being
Configuration with Authentication Mode Being Scheme
Step 2: Perform the following configuration on the modem directly connected to the
switch.
AT&F
ATS0=1
first ring
AT&D
AT&K0
AT&R1
AT&S0
ATEQ1&W
response and the result, save the changes
You can verify your configuration by executing the AT&V command.
Note:
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.
Step 3: Connect your PC, the modems, and the switch, as shown in the following figure.
Console Port Login Configuration with Authentication Mode Being
Console Port Login Configuration with Authentication Mode Being
Console Port Login Configuration with Authentication Mode Being
----------------------- Restore the factory settings
----------------------- Configure to answer automatically after the
----------------------- Ignore DTR signal
----------------------- Disable flow control
----------------------- Ignore RTS signal
----------------------- Set DSR to high level by force
----------------------- Disable the modem from returning command
Chapter 4 Logging In Using Modem
Password, and
for more.
4-3
None.
Password.
Scheme.
Console Port
None, Console Port Login
Console Port Login