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Internet Server User' s Guide
Description: Modem AT commands are used to configure
and operate the modem when it is necessary to control settings
such as the speaker volume, line modulation, or handshaking
protocol.
Note:
Note that the initialization string modem must set the following:
Fixed baud rate (i.e., serial data rate adjustment dis-
1.
abled).
Data Carrier Detect (DCD) to follow carrier signal
2.
status.
Data Set Ready (DSR) to on while the modem is on.
3.
Data Terminal Ready (DTR) to off to hang-up.
4.
Enable RTS/CTS flow control.
5.
Login Script
Options: For each line item, a prompt string and a keyin
string must be provided. The prompt string is the text dis-
played by the ISP requesting that something be entered. The
keyin string is what should be entered. Prompt strings can be
up to 25 characters long including punctuation. Keyin strings
can be up to 20 characters long including punctuation (a
maximum of 8 separate line entries).
Example: If your ISP asks you to input a user ID, password,
and to choose from a list of available communications protocols
36
See Appendix C for information about initiali-
zation string settings and other modem
commands.
Configuration Settings
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