Chapter 4 Logging In Using A Modem; Configuration On The Switch Side; Modem Configuration - H3C S3100-52P Operation Manual

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H3C S3100-52P Ethernet switch

Chapter 4 Logging In Using a Modem

Go to these sections for information you are interested in:
Introduction

Configuration on the Switch Side

Modem Connection Establishment
4.1 Introduction
The administrator can log in to the console port of a remote switch using a modem
through public switched telephone network (PSTN) 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 manage switches in the
network remotely in this way.
To log in to a switch in this way, you need to configure the administrator side and the
switch properly, as listed in the following table.
Table 4-1 Requirements for logging in to a switch using a modem
Item
Administrator
side
Switch side
4.2 Configuration on the Switch Side

4.2.1 Modem Configuration

Perform the following configuration on the modem directly connected to the switch:
AT&F
ATS0=1
first ring
AT&D
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
----------------------- Restore the factory settings
----------------------- Configure to answer automatically after the
----------------------- Ignore DTR signal
Chapter 5 Logging In Through the Web-based
Requirement
Table 2-3.
4-1
Network Management System