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. |