Multi-Tech Systems MT2834ZDX ユーザーズマニュアル
Chapter 3 – AT Commands, S-Registers, and Results Codes
Multi-Tech Systems, Inc. MT2834ZDX User's Guide
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Chapter 3 – AT Commands, S-
Registers and Result Codes
AT Commands
This section summarizes the AT commands for this modem.
Command:
Command:
AT Attention Code
Values:
n/a
Description:
The attention code precedes all command lines except A/, A:, and escape codes.
Command:
RETURN Key
Values:
n/a
Description:
Press the RETURN (ENTER) key to execute most commands.
Command:
A Force Answer Mode
Values:
n/a
Description:
Answer call before final ring.
Command:
A/ Repeat Last Command
Values:
n/a
Description:
Do not precede this command with AT. Do not press RETURN to execute.
Command:
A: Continuous Redial
Values:
n/a
Description:
Redial last number until answered (10 redials in DOC modems). Do not precede this command with
AT or press RETURN to execute.
AT or press RETURN to execute.
Command:
&An Answerback
Values:
n = 0 or 1
Default:
0
Description:
&A0 Disables answerback.
&A1 Enables answerback reply to an ID request.
Command:
$An Auto-Reliable Buffering
Values:
n = 0 or 1
Default:
0
Description:
$A0 Discard data received during establishment of a reliable connection.
$A1 Buffer data received during establishment of a reliable connection.
Command:
#An Auto Speed Detection in Answer Mode
Values:
n = 0–3
Default:
0
Description:
#A0 Start at maximum speed and fall back to a lower speed (26400, 24000, 21600, 19200, 16800,
14400, 12000, 9600, 7200, 4800, 2400, 1200, or 300 bps) as line conditions warrant.
14400, 12000, 9600, 7200, 4800, 2400, 1200, or 300 bps) as line conditions warrant.
#A1 Maximum speed only.
#A2 Start at maximum speed and fall back decrementally to 4800 bps only.
#A3 Start at 2400 bps and fall back to 1200 to 300 bps only.
Command:
&BSn Maximum Reliable Block Size
Values:
n = 0 or 1
Default:
1
Description:
&BS0 Maximum transmit block size of 64 characters.
&BS1 Maximum transmit block size of 256 characters.