Multi-Tech Systems MT5634SMI V.92 ユーザーズマニュアル

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Chapter 1 – AT Commands, S-Registers and Result Codes 
Multi-Tech Systems, Inc. SocketModem MT5634SMIxx Reference Guide (S000263C) 
 
16    
 
Command:  \Vn 
Protocol Result Code 
Values: 
 
n = 0, 1, or 2 
Default:   1 
Description:   
\V0  Disables the appending of the protocol result code to the DCE speed. 
 
 
\V1  Enables the appending of the protocol result code to the DCE speed. 
  
\V2 
Same 
as 
\V1
 
 
Command: \X
XON/XOFF Pass-Through 
Values:   = 0 or 1 
Default:   0 
Description:  
\X0 Modem 
responds 
to and discards XON/XOFF characters. 
 
 
\X1  Modem responds to and passes XON/XOFF characters. 
 
 
Note:
 This is also controlled via &E6 and &E7
 
 
Command: -Cn 
Data Calling Tone  
Values:   n = 0 or 1 
Defaults:  
Description:  
-C0 Disable 
V.25 
data calling tone to deny remote data/fax/voice discrimination. 
 
 
-C1  Enable V.25 data calling tone to allow remote data/fax/voice discrimination. 
 
 
Command: %A 
Adaptive Answer Result Code Enable 
Values:   n = 0 or 1 
Default:   0 
Description:   
The %A command controls whether the DATA or FAX result codes will be sent by 
the modem. The modem must be in fax mode for this command to work. Also, the 
modem must be set to +FAA=1, which enables the modem to distinguish between 
a fax and a data call. When these commands are enabled, the modem sends 
DATA to the computer when it detects data tones and FAX when it detects fax 
tones. These strings are used by some servers to select the appropriate 
communication program. 
 
 
%A0  Disables adaptive answer result codes. 
 
 
%A1  Enables adaptive answer result codes. 
 
 
Command: %B 
View Numbers in Blacklist 
Values:   N/A 
Description:   
If blacklisting is in effect, AT%B displays the numbers for which the last call 
attempted in the previous two hours failed. In countries that do not require 
blacklisting, the ERROR result code appears.
 
 
 
 
Command: %Cn 
Data Compression Control 
Values:   n = 0 or 1 
Default:   1 
Description:  
%C0 
Disable 
V.42bis/MNP 5 data compression. 
 
 
%C1  Enable V.42bis/MNP 5 data compression. 
 
 
Command: %DCn  AT Command Control 
Values:   = 0 or 1 
Default:   0 
Description:   
%DC0   The modem responds to AT commands. 
 
 
%DC1   The modem ignores AT commands. 
 
 
Note:
 The modem will respond to AT%DC for 10 seconds after power-up.