AT&T PARADYNE
KEEPINTOUCH CARD MODEM 3760/3762/3763/3764
|
Modem Type |
Data (synchronous/asynchronous)/Fax |
|
Maximum Data Rate |
14.4Kbps |
|
Maximum Fax Rate |
14.4Kbps |
|
Data Bus |
PCMCIA Type II |
|
Fax Class |
Class I & II |
|
Data Modulation Protocol |
Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.32, V.32bis AT&T ETC cellular protocol |
|
Fax Modulation Protocol |
ITU-T V.17, V.27ter, V.29 |
|
Error Correction/Compression |
MNP5, V.42, V.42bis |
Proprietary AT Command Set
V1400
|
AT COMMAND SET ERRORS | |
|
Type: |
Configuration |
|
Format: |
AT S84=n |
|
Example: |
AT S84=1 <CR> |
|
Description: |
Configures how the modem will respond to errors. |
|
Command |
Function |
| S84=0 |
Normal operation. |
|
S84=1 |
NO_ERROR mode. |
|
S84=2 |
NO_STRAP_OR_ERROR mode. |
|
AUTO-RELIABLE FALLBACK CHARACTER | |
|
Type: |
Register |
|
Format: |
AT [cmds] %An [cmds] |
|
Example: |
AT%A20 <CR> |
|
Default: |
13 |
|
Range: |
0-127 |
|
Unit: |
ASCII |
|
Description: |
Sets the character used as the auto-reliable fallback character. %A0 will disable this function. |
|
AUTO-RELIABLE TIME BUFFER CONFIGURATION | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Cn [cmds] |
|
Example: |
AT \C1 &W <CR> |
|
Description: |
Controls the handling of incoming data during auto-reliable time period. |
|
Command |
Function |
| \C0 |
Data is buffered. |
|
\C1 |
Data is discarded. |
|
\C2 |
Data is discarded, modem returns to normal mode on receiving auto-reliable fallback character. |
|
AUTO-RETRAIN - V.32bis | |
|
Type: |
Configuration |
|
Format: |
AT S76=n |
|
Example: |
AT S76=1 <CR> |
|
Description: |
Selects auto-retrain mode for V.32bis. |
|
Command |
Function |
| S76=0 |
Auto-retrain enabled. |
|
S76=1 |
Auto-retrain disabled. |
|
S76=2 |
Auto-retrain enabled; speed defaults to 4800bps. |
|
S76=3 |
Auto-retrain enabled; speed defaults to 9600bps. |
|
BREAK TYPE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Kn [cmds] |
|
Example: |
AT \K1 <CR> |
|
Description: |
Configures action of break signal. |
|
Command |
Function |
|
\K0 |
Buffers cleared and break sent to remote modem, then enter command mode. |
|
\K1 |
Buffers cleared and break sent to remote modem. |
|
\K2 |
Send break to remote modem immediately, then enter command mode. |
|
\K3 |
Send break to remote modem immediately. |
|
\K4 |
Send break to remote modem with transmitted data, then enter command mode. |
| \K5 |
Send break to remote modem with transmitted data. |
|
CD SIGNAL | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Cn [cmds] |
|
Example: |
AT &C4 &R2 &S2 <CR> |
|
Description: |
Configures the behavior of the carrier detect signal. |
|
Command |
Function |
|
&C0 |
CD forced high. |
| &C1 |
CD normal. |
|
&C2 |
CD forced high except during disconnecting. |
|
&C3 |
CD follows DTR signal. |
|
&C4 |
CD follows remote RTS signal. |
|
&C5 |
CD forced low when DTR is low. |
|
COMPRESSION | |
|
Type: |
Configuration |
|
Format: |
AT %Cn |
|
Example: |
AT *EC0 %C1 *AP0 <CR> |
|
Description: |
Selects data compression. |
|
Command |
Function |
|
%C0 |
Data compression disabled. |
| %C1 |
Data compression enabled. |
|
CONNECT MODE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Nn [cmds] |
|
Example: |
AT \N1 DT555-1212 <CR> |
|
Description: |
Sets connect mode. |
|
Command |
Function |
|
\N0 |
Normal mode enabled. |
|
\N1 |
Direct mode enabled. |
|
\N2 |
MNP mode only enabled. |
|
\N3 |
MNP mode with fallback to normal mode enabled. |
|
\N4 |
LAP-M mode only enabled. |
|
\N5 |
LAP-M mode with fallback to normal mode enabled. |
|
\N6 |
LAP-M mode with fallback to MNP enabled. |
| \N7 |
LAP-M mode with fallback to MNP and normal modes enabled. |
|
CTS SIGNAL | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Dn [cmds] |
|
Example: |
AT \D0 <CR> |
|
Description: |
Selects the function of the CTS signal. |
|
Command |
Function |
| \D0 |
CTS forced high. |
|
\D1 |
CTS normal. |
|
\D2 |
DSR normal, except forced low on disconnect. |
|
\D3 |
CTS follows CD. |
|
DISCONNECT BUFFER DELAY | |
|
Type: |
Register |
|
Format: |
AT [cmds] S49=n [cmds] |
|
Example: |
AT S49=0 <CR> |
|
Default: |
10 |
|
Range: |
0-255 |
|
Unit: |
1 second |
|
Description: |
Configures how long the modem will wait to disconnect if there is data in the transmit or receive buffers. |
|
DSR SIGNAL | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Sn [cmds] |
|
Example: |
AT &C4 &R2 &S2 <CR> |
|
Description: |
Selects the function of the DSR signal. |
|
Command |
Function |
|
&S0 |
DSR forced high. |
|
&S1 |
DSR normal. |
|
&S2 |
DSR normal, except forced low on disconnect. |
|
&S3 |
DSR follows DTR. |
|
&S4 |
DSR normal, except signal is brought high early. |
|
&S5 |
DSR forced low in command mode. |
|
DTR SIGNAL | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Dn [cmds] |
|
Example: |
AT &D1 <CR> |
|
Description: |
Configures the behavior of the Data Terminal Ready signal. |
|
Command |
Function |
|
&D0 |
DTR forced high. |
|
&D1 |
Modem will enter command mode on low DTR. |
| &D2 |
Modem will disconnect on low DTR. |
|
&D3 |
Modem will disconnect and reset on low DTR. |
|
&D4 |
Modem will disconnect only on low DTR, regardless of remote modem. |
|
ETC PROTOCOL | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] S91=n [cmds] |
|
Example: |
AT S91=0<CR> |
|
Description: |
Controls the AT&T ETC protocol. |
|
Command |
Function |
| S91=0 |
ETC disabled. |
|
S91=1 |
ETC enabled. |
|
FACTORY DEFAULTS | |
|
Type: |
Immediate |
|
Format: |
AT &Fn |
|
Example: |
AT &F8 <CR> |
|
Description: |
Loads factory defaults. |
|
Command |
Function |
|
&F0 |
Reloads factory configuration. |
|
&F5 |
Reloads factory configuration for ETC in cellular mode. |
|
&F6 |
Reloads factory configuration for ETC in switched line mode. |
|
FLOW CONTROL | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Gn [cmds] |
|
Example: |
AT \G1 &K3 <CR> |
|
Description: |
Selects modem port flow control. |
|
Command |
Function |
| \G0 |
Flow control disabled. |
|
\G1 |
Flow control enabled. |
|
FLOW CONTROL TYPE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Qn [cmds] |
|
Example: |
AT \Q5 <CR> |
|
Description: |
Sets type of flow control used by modem. |
|
Command |
Function |
|
\Q0 |
Flow control disabled. |
| \Q1 |
Bidirectional XON/XOFF flow control enabled. |
|
\Q2 |
CTS flow control by DCE disabled. |
|
\Q3 |
Bidirectional CTS/RTS flow control enabled. |
|
\Q4 |
Flow control by DCE disabled. |
| \Q5 |
XON/XOFF flow control by DCE enabled. |
|
\Q6 |
RTS flow control by DCE enabled. |
|
HANG UP MODE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] S85=n [cmds] |
|
Example: |
AT S85=1 O <CR> |
|
Description: |
Selects how the modem will hang up. |
|
Command |
Function |
| S85=0 |
Set hang up mode to normal on next ATH command. |
|
S85=1 |
Set hang up mode to fast on next ATH command. |
|
INACTIVITY TIMER | |
|
Type: |
Register |
|
Format: |
AT [cmds] \Tn [cmds] |
|
Example: |
AT\T20 <CR> |
|
Default: |
Unidentified |
|
Range: |
0-255 |
|
Unit: |
1 minute |
|
Description: |
Sets the length of time that the modem does not receive information before it disconnects. |
|
LOCAL SERIAL PORT SPEED | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] %Rnnn [cmds] |
|
Example: |
AT %B9600 %R19200 <CR> |
|
Description: |
Sets serial port speed. |
|
Command |
Function |
|
%R300 |
Sets 300bps speed. |
|
%R600 |
Sets 600bps speed. |
|
%R1200 |
Sets 1200bps speed. |
|
%R2400 |
Sets 2400bps speed. |
|
%R4800 |
Sets 4800bps speed. |
|
%R9600 |
Sets 9600bps speed. |
|
%R12000 |
Sets 12Kbps speed. |
|
%R14400 |
Sets 14.4Kbps speed. |
|
%R19200 |
Sets 19.2Kbps speed. |
|
%R38400 |
Sets 38.4Kbps speed. |
|
%R57600 |
Sets 57.6Kbps speed. |
|
LOCK SERIAL PORT | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] S90=n [cmds] |
|
Example: |
AT %L3 %B14 S90=0<CR> |
|
Description: |
Sets operation of serial port speed. |
|
Command |
Function |
| S90=0 |
Serial speed locked. |
|
S90=1 |
Serial speed follows connect speed. |
|
MAXIMUM BLOCK SIZE FOR TRANSMISSION | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \An [cmds] |
|
Example: |
AT \A3 %C1 <CR> |
|
Description: |
Sets the maximum transmittable block size. |
|
Command |
Function |
|
\A0 |
MNP block size is 64 characters. |
|
\A1 |
MNP block size is 128 characters. |
|
\A2 |
MNP block size is 192 characters. |
| \A3 |
MNP block size is 256 characters. |
|
\A4 |
MNP block size is 32 characters. |
|
\A5 |
MNP block size is 16 characters. |
|
NEGOTIATE PROTOCOL | |
|
Type: |
Configuration |
|
Format: |
AT S78=n |
|
Example: |
AT S78=1 <CR> |
|
Description: |
Configures whether the modem will attempt to negotiate protocols or if only the protocol selected in S41 will be used. |
|
Command |
Function |
| S78=0 |
Negotiation enabled. |
|
S78=1 |
Negotiation disabled. |
|
PROTOCOL/SPEED | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] %Bn [cmds] |
|
Example: |
AT %B14400 <CR> |
|
Description: |
Selects the current DCE speed. |
|
Command |
Function |
|
%B300 |
Select 300bps speed. |
|
%B1200 |
Select 1200bps speed. |
|
%B2400 |
Select 2400bps speed. |
|
%B4800 |
Select 4800bps speed. |
|
%B7200 |
Select 7200bps speed. |
|
%B9600 |
Select 9600bps speed. |
|
%B12000 |
Select 12Kbps speed. |
|
%B14400 |
Select 14.4Kbps speed. |
|
PROTOCOL/SPEED | ||
|
Type: |
Register | |
|
Format: |
AT [cmds] S41=n [cmds] | |
|
Example: |
ATS41=2 <CR> | |
|
Description: |
Selects the current protocol and speed. | |
|
Command |
Function | |
| S41=0 |
V.32bis 14.4Kbps. | |
|
S41=2 |
V.32bis 12Kbps. | |
|
S41=3 |
V.32bis or V.32 9600bps. | |
|
S41=4 |
V.32bis 7200bps. | |
|
S41=5 |
V.32bis or V.32 4800bps. | |
|
S41=6 |
V.22bis 2400/1200bps. | |
|
S41=7 |
V.22 1200bps. | |
|
S41=8 |
Bell 212A 1200bps. | |
|
S41=10 |
V.21 300bps. | |
|
S41=11 |
Bell 103A 300bps. | |
|
S41=12 |
V.23 1200/75bps. | |
|
S41=13 |
V.23 75/1200bps. | |
|
REDIAL | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] DL |
|
Example: |
AT M1 DL <CR> |
|
Description: |
Redials the last number dialed. |
|
REPORT INFORMATION | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] In [cmds] |
|
Example: |
AT I3 &V1 %V <CR> |
|
Description: |
Displays modem properties. |
|
Command |
Function |
|
I0 |
Reports product code. |
|
I1 |
Reports firmware version in short form. |
|
I2 |
Reports firmware checksum result. |
|
I3 |
Reports serial number. |
|
I4 |
Reports modem number. |
|
I5 |
Reports hardware part number. |
|
I6 |
Reports software part number. |
|
I9 |
Reports firmware part number. |
|
I11 |
Reports ROM checksum result. |
|
I17 |
Reports reason for last error. |
|
I19 |
Reports firmware version in long form. |
|
REPORT INFORMATION | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] &Vn [cmds] |
|
Example: |
AT I3 &V18 <CR> |
|
Description: |
Reports configuration profiles, stored numbers, and other information. If an option is preceded by 1, the report will be displayed repeatedly until a key is pressed. |
|
Command |
Function |
|
&V0 |
Report current configuration. |
|
&V1 |
Report active configuration profile. |
|
&V2 |
Display profile 0. |
|
&V3 |
Display profile 1. |
|
&V4 |
Display the first two stored numbers. |
|
&V8 |
Report connection status and internal modem information. |
|
REPORT INFORMATION - CHANGE MODEM SPEED | |
|
Type: |
I10=mmediate |
|
Format: |
AT [cmds] I10=n [cmds] |
|
Example: |
AT I10=3 &V1 %V <CR> |
|
Description: |
Changes the value reported by I0. |
|
Command |
Function |
|
I10=0 |
I0 will report 144 (14.4Kbps). |
|
I10=1 |
I0 will report 240 (2400bps). |
|
I10=2 |
I0 will report 480 (4800bps). |
|
I10=3 |
I0 will report 960 (9600bps). |
|
I10=4 |
I0 will report 120 (1200bps). |
|
RESULT CODE FORMAT | |
|
Type: |
Immediate |
|
Format: |
AT [cmds] Vn [cmds] |
|
Example: |
AT V1 <CR> |
|
Description: |
Selects which type of result codes will be displayed. |
|
Command |
Function |
|
V0 |
Display standard numeric result codes. |
| V1 |
Display verbose result codes. |
|
V2 |
Display AT&T numeric result codes. |
|
RTS SIGNAL | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &Rn [cmds] |
|
Example: |
AT &C4 &R2 &S2 <CR> |
|
Description: |
Configures the behavior of the Ready to Send signal. |
|
Command |
Function |
|
&R0 |
RTS normal. |
|
&R1 |
RTS forced high. |
| &R2 |
RTS follows remote CD signal. |
|
SWITCHED LINE TRANSMISSION LEVEL | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] &In [cmds] |
|
Example: |
AT &I15 <CR> |
|
Default: |
9 |
|
Range: |
10 - 25 |
|
Unit: |
-1 dBm |
|
Description: |
Sets the signal level for transmission when in switched line mode. |
|
V.17 MODULATION | |
|
Type: |
Configuration |
|
Format: |
AT S79=n |
|
Example: |
AT S79=1 <CR> |
|
Description: |
Selects whether V.17 can be used for fax modulation. |
|
Command |
Function |
| S79=0 |
V.17 enabled. |
|
S79=1 |
V.17 disabled. |
|
V.32 HANDSHAKE OPTIONS | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] S43=n [cmds] |
|
Example: |
AT S43=0 <CR> |
|
Description: |
Shortens V.32 and V.32bis handshake time. |
|
Command |
Function |
| S43=0 |
Normal handshake sequence. |
|
S43=1 |
Training time is shortened by 2 seconds in V.32 and V.32bis modes. |
|
V.42 WINDOW SIZE | |
|
Type: |
Configuration |
|
Format: |
AT S89=n |
|
Example: |
AT S89=1 <CR> |
|
Description: |
Sets the size of the window for V.42 mode. |
|
Command |
Function |
| S89=0 |
V.42 window set to 6 frames. |
|
S89=1 |
V.42 window set to 7 frames. |
|
S89=2 |
V.42 window set to 8 frames. |
|
S89=3 |
V.42 window set to 9 frames. |
|
S89=4 |
V.42 window set to 10 frames. |
|
S89=5 |
V.42 window set to 11 frames. |
|
S89=6 |
V.42 window set to 12 frames. |
|
S89=7 |
V.42 window set to 13 frames. |
|
S89=8 |
V.42 window set to 14 frames. |
|
S89=9 |
V.42 window set to 15 frames. |
|
XON/XOFF PASS-THROUGH | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Xn [cmds] |
|
Example: |
AT \X7 O <CR> |
|
Description: |
Selects whether XON/XOFF signals are sent to remote modem. |
|
Command |
Function |
| \X0 |
XON/XOFF signals trapped by local modem. |
|
\X1 |
XON/XOFF passed through local modem. |