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Technical Reference
52 56K Voice Faxmodem Internal - User’s Guide
Typing Commands
• Type commands in either upper or lower case, not a combination.
Use the Backspace key to delete errors. (You cannot delete the
original AT command since it is stored in the modem buffer.)
• If a command has numeric options and you do not include a
number, zero is assumed. For example, if you type ATB, the
command ATB0 is assumed.
• Every command except A/ , +++, and A> must begin with the
AT prefix and be entered by pressing ENTER.
• The maximum command length is 58 characters. The modem does
not count the AT prefix, carriage returns, or spaces.
All defaults are based on the &F1Hardware Flow Control template
loaded in NVRAM when the modem is shipped. Defaults are listed in
italics.
Basic Data Commands
<control key>S Stop or restart help screens.
<control key>C or
<control key>K Stop help screens.
$ Use in conjunction with D, S, or & commands (or just AT)
to display a basic command list; online help.
A Manual Answer: goes off hook in answer mode. Pressing any
key aborts the operations.
A/ Re-executes the last issued command. Used mainly to redial.
Does not require the AT prefix or a Carriage Return.
A> Re-executes the last issued command continuously, until the user
intervenes or the command is executed. forever. Does not require
the AT prefix or a Carriage Return.