Ogging In Using Modem; Introduction; Configuration On The Administrator Side; Configuration On The Switch Side - 3Com Switch 4800G 24-Port Configuration Manual

4

Introduction

Configuration on the
Administrator Side
Configuration on the
Switch Side
Modem Configuration
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,
L
OGGING IN
The administrator can log in to the console port of a remote switch using a
modem through PSTN (public switched telephone network) if the remote switch is
connected to the PSTN through a modem to configure and maintain the switch
remotely. When a network operates improperly or is inaccessible, you can log in to
the switches in the network in this way to configure these switches, to query logs
and warning messages, and to locate problems.
To log in to a switch in this way, you need to configure the terminal and the switch
properly, as listed in the following table.
Table 16 Requirements for logging in to a switch using a modem
Item
Administrator side
Switch side
The PC can communicate with the modem connected to it. The modem is properly
connected to PSTN. And the telephone number of the switch side is available.
Perform the following configuration on the modem directly connected to the
switch:
save the changes
You can verify your configuration by executing the AT&V command.
U M
SING
Requirement
The PC can communicate with the modem connected to it.
The modem is properly connected to PSTN.
The telephone number of the switch side is available.
The modem is connected to the console port of the switch properly.
The modem is properly configured.
The modem is properly connected to PSTN and a telephone set.
The authentication mode and other related settings are configured
on the switch. Refer to Table 6.
ODEM