3Com S7902E, Руководство по настройке

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Logging In Using Modem
When logging in using modem, go to these sections for information you are interested in:
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Introduction
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Configuration on the Administrator Side
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Configuration on the Switch Side
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Modem Connection Establishment
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Modem Attribute Configuration
Introduction
You may log in your switch from its console port from a remote device across a PSTN with a pair of
modems in between. When your switching network fails, this allows you to remotely configure your
switch, retrieve logs and warning messages, and locate the problem.
To log in to your switch in this way, you need to configure the terminal and the switch properly, as listed
in the following table.
Table 4-1 Requirements for logging in to a switch using a modem
Item Requirement
The PC can communicate with the modem connected to it.
The modem is properly connected to PSTN. Administrator side
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.
Switch side
The authentication mode and other related settings are configured on
the switch. Refer to
Table 2-3 .
Configuration on the Administrator 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.
Configuration on the Switch Side
Modem Configuration
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