05033.pdf

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2400 BPS External Modem
(250-3026)
Settings
Faxback Doc. # 5033
Note: This modem does not have DIP switches for configuration. All options
can be controlled by software commands. The software command
information is stored in non-volatile memory.
To use the
"set" each
mode. From
unless you
modem's non-volatile memory, you just issue a single command to
option. Enter these AT commands via your software's "terminal"
then on, the modem will always power-up with the right setting,
issue a command to change the setting.
Below are a few configuration commands:
Note: Spaces have been added to the examples to make the commands easier
to read.
┌───────────────────────────────────┬──────────────────────────────┐
│Function
│
AT Command to Set
│
│
│
Non-Volatile Memory
│
│
│
(* = Default)
│
├───────────────────────────────────┼──────────────────────────────┤
│Modem
Follows DTR
│
A T & D 2 & W 0 & Y 0
│
│Modem
Ignores DTR
│
A T & D 0 & W 0 & Y 0
*
│
├───────────────────────────────────┼──────────────────────────────┤
│Verbal
Result Codes
│
A T & V 1 & W 0 & Y 0
*
│
│Numeric
Result Codes
│
A T & V 0 & W 0 & Y 0
│
├───────────────────────────────────┼──────────────────────────────┤
│Result
Codes Disabled
│
A T & Q 1 & W 0 & Y 0
│
│Result
Codes Enabled
│
A T & Q 0 & W 0 & Y 0
*
│
├───────────────────────────────────┼──────────────────────────────┤
│In
Local Command State,
│
A T & E 1 & W 0 & Y 0
*
│
│Echo
Character
│
│
│In
Local Command State,
│
A T & E 0 & W 0 & Y 0
│
│Do
Not Echo Characters
│
│
├───────────────────────────────────┼──────────────────────────────┤
│Auto-answer
On
│
A T S 0 = 1 & W 0 & Y 0
│
│Auto-answer
Off
│
A T S 0 = 0 & W 0 & Y 0 *
│
├───────────────────────────────────┼──────────────────────────────┤
│DCD
Follows Carrier
│
A T & C 1 & W 0 & Y 0
│
│Forces
DCD Always On
│
A T & C 0 & W 0 & Y 0
*
│
└───────────────────────────────────┴──────────────────────────────┘
If you ever want to switch ALL of the settings back to the factory
default configuration, use the command:
AT&F
(smm 07/28/93)

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