31
Figure 9 Connecting the PC to the device through modems
3. Obtain the telephone number of the device-side modem.
4. Configure the following settings on the device-side modem:
AT&F—Restores the factory default.
ATS0=1—Configures auto-answer on first ring.
AT&D—Ignores DTR signals.
AT&K0—Disables local flow control.
AT&R1—Ignores RTS signals.
AT&S0—Forces DSR to remain on.
ATEQ1&W—Disables the modem from returning command responses and execution
results, and saves configuration.
To verify your configuration, enter AT&V to display the configuration results.
The configuration commands and output vary by modem. For more information, see the modem user
guide.
5. To ensure successful communication and to avoid data loss, verify that the modems are using a
transmission rate higher than the console port's baud rate.
6. Launch the terminal emulation program on the PC and create a connection using the telephone
number of the device-side modem.
Figure 10 through Figure 13 show the configuration procedure in Windows XP HyperTerminal.
On Windows Server 2003, add the HyperTerminal program first, and then log in to and manage
the device as described in this document. On Windows Server 2008, Windows 7, Windows
Vista, or another operating system, obtain a third-party terminal control program first. Then,
follow the user guide or online help of that program to log in to the device.
Figure 10 Creating a connection
Serial
cable
Telphone
cable
PC
PSTN
Modem Modem Device
Console port
Serial
cable
Telphone
cable
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