TDK ELECTRONICS CORPORATION
DFV3400
Card Type |
Fax, Modem (asynchronous), Voice |
Chip Set |
Unidentified |
I/O Options |
Speakerphone, Voice-mail |
Maximum Data Rate |
28.8Kbps |
Maximum Fax Rate |
14.4Kbps |
Data Bus |
PCMCIA Type II |
Fax Class |
Class I & II |
Data Modulation Protocol |
Bell 103J/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34 Rockwell V.FC |
Fax Modulation Protocol |
ITU-T V.17, V.21CH2, V.27ter, V.29 |
Error Correction/Compression |
MNP5, MNP10, V.42, V.42bis |
V1939
Proprietary AT Command Set
AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD | |
Type: |
Configuration |
Format: |
AT [cmds] %En [cmds] |
Description: |
Controls auto-retrain mode and fallback/fall-forward |
Command |
Function |
%E0 |
Auto-retrain disabled |
%E1 |
Auto-retrain enabled |
í %E2 |
Auto-fallback/fall-forward enabled |
BLACK-LISTED NUMBERS | |
Type: |
Immediate |
Format: |
AT [cmds] *B [cmds] |
Description: |
Displays a list of black-listed numbers from the modem; the modem is unable to dial numbers on this list until its power has been cycled. |
BREAK SEND | |
Type: |
Configuration |
Format: |
AT [cmds] \Bn [cmds] |
Default: |
3 |
Range: |
1-9 |
Unit: |
.1 second |
Description: |
Sends break to modem |
BREAK TYPE | ||||
Type: |
Configuration | |||
Format: |
AT [cmds] \Kn [cmds] | |||
Description: |
Configures action of break signal | |||
Command |
Break from DTE Normal mode |
Receive \B |
Break received from remote modem | |
\K0 |
Online command mode enabled, no break sent |
Buffers cleared and break sent to remote modem |
Buffers cleared, break sent to DTE | |
\K1 |
Buffers cleared and break sent to remote modem |
Buffers cleared and break sent to remote modem |
Buffers cleared, break sent to DTE | |
\K2 |
Online command mode enabled, no break sent |
Send break to remote modem immediately |
Break sent immediately to DTE | |
\K3 |
Send break to remote modem immediately |
Send break to remote modem immediately |
Break sent immediately to DTE | |
\K4 |
Online command mode enabled, no break sent |
Send break with transmitted data |
Break sent with received data to the DTE | |
í \K5 |
Send break with transmitted data |
Send break with transmitted data |
Break sent with received data to the DTE |
CALLER ID | |
Type: |
Configuration |
Format: |
AT [cmds] #CID=n [cmds] |
Description: |
Controls the Caller ID function |
Command |
Function |
#CID=0 |
Caller ID disabled |
#CID=1 |
Caller ID displays formatted data |
#CID=2 |
Caller ID displays raw hexadecimal data |
CHARACTER PACING | ||
Type: |
Configuration | |
Format: |
AT [cmds] *TJn [cmds] | |
Description: |
Turns off character pacing; this overrides *TR. The modem will run at maximum speed. | |
Command |
Function | |
*TJ0 |
Transmit and receive character pacing disabled | |
*TJ3 |
Transmit and receive character pacing enabled |
COMPRESSION | |
Type: |
Configuration |
Format: |
AT [cmds] %Cn [cmds] |
Description: |
Selects data compression |
Command |
Function |
%C0 |
Data compression disabled |
%C1 |
MNP5 enabled |
%C2 |
V.42bis enabled |
í %C3 |
MNP5 and V.42bis enabled |
CONNECT MODE | |
Type: |
Configuration |
Format: |
AT [cmds] \Nn [cmds] |
Description: |
Controls the type of connection the modem will operate in |
Command |
Function |
\N0 |
Normal mode enabled |
\N1 |
Direct mode enabled |
\N2 |
Reliable mode enabled |
\N3 |
Auto-reliable mode enabled |
\N4 |
V.42 reliable mode enabled |
\N5 |
MNP reliable mode enabled |
COUNTRY CODE | ||||
Type: |
Configuration | |||
Format: |
AT [cmds] *NCn [cmds] | |||
Description: |
Sets country code | |||
Command |
Function |
Command |
Function | |
*NC40 |
Australia |
*NC09 |
Luxembourg | |
*NC01 |
Austria |
*NC21 |
Mexico | |
*NC02 |
Belgium |
*NC10 |
Netherlands | |
*NC27 |
Bulgaria |
*NC48 |
New Zealand | |
*NC20 |
Canada |
*NC11 |
Norway | |
*NC19 |
Czech Republic |
*NC24 |
Poland | |
*NC03 |
Denmark |
*NC12 |
Portugal | |
*NC04 |
Finland |
*NC25 |
Russia | |
*NC05 |
France |
*NC47 |
Singapore | |
*NC06 |
Germany |
*NC26 |
Slovak Republic | |
*NC17 |
Greece |
*NC13 |
Spain | |
*NC23 |
Hungary |
*NC14 |
Sweden | |
*NC07 |
Ireland |
*NC15 |
Switzerland | |
*NC18 |
Israel |
*NC16 |
United Kingdom | |
*NC08 |
Italy |
*NC22 |
United States | |
*NC43 |
Japan |
DELAYED NUMBERS | |
Type: |
Immediate |
Format: |
AT [cmds] *D [cmds] |
Description: |
Displays a list of delayed numbers from the modem. This is a list of numbers that the modem attempted to call and failed, and is not allowed to call again until a set amount of time has elapsed. |
DIAL | |
Type: |
Immediate |
Format: |
AT [cmds] D<#> [cmds] |
Description: |
Dials telephone number according to any modifiers included in the string |
Note: |
Any combination of modifiers can be used to produce the desired dial functions in sequence. |
Command |
Function |
J |
Link will be negotiated at 1200bps |
K |
Power level adjustment during MNP 10 link negotiation enabled |
L |
Re-dial last number |
P |
Pulse dialing enabled |
T |
Tone dialing enabled |
R |
Not used |
S=n |
Dial stored telephone number (n=0-3) |
! |
Flash function initiated. Modem commanded to go off-hook for specified time before returning on-hook. S29 controls the time. |
W |
Dialing resumed following dial tone detection. S7 is used for U.S., S6 for Global class. |
@ |
Wait for Quiet Answer function enabled. Modem waits until a "quiet answer," a ring-back signal followed by silence up to the time specified in S7, is received prior to executing the rest of the dial string. |
& |
Wait for prompt tone detection function enabled. Waits for prompt tone for amount of time specified by the S7 command. |
, |
Dialing paused for amount of time specified in S8 register |
; |
Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command. |
^ |
Calling tone enabled/disabled for this call only |
( ) - <space> |
May be used to format dial string; otherwise they are ignored. |
> |
Enabled by country specific parameters, modem generates grounding pulse to EARTH relay output. |
DOWNLOAD - FLASH MEMORY | ||
Type: |
Immediate | |
Format: |
AT [cmds] **n [cmds] | |
Description: |
Sets speed that downloads are sent to flash memory | |
Command |
Function | |
**0 |
Download at last speed sensed | |
**1 |
Download at 38.4Kbps | |
**2 |
Download at 57.6Kbps |
DTE SPEED - HIGH SPEED MODE | |
Type: |
Configuration |
Format: |
AT [cmds] *TRn [cmds] |
Default: |
Set by local DTE |
Range: |
150-500000 |
Unit: |
bps |
Description: |
Sets DTE speed for high speed mode |
EXTENDED RESULT CODES | |
Type: |
Configuration |
Format: |
AT [cmds] \Vn [cmds] |
Description: |
Selects extended result codes |
Command |
Function |
í \V0 |
Extended result codes disabled |
\V1 |
Extended result codes enabled |
IDENTIFY DRIVER | |
Type: |
Immediate |
Format: |
AT [cmds] ^I [cmds] |
Description: |
Identifies cellular phone driver |
LINE SIGNAL LEVEL | |
Type: |
Immediate |
Format: |
AT [cmds] %L [cmds] |
Description: |
Returns a value which indicates the received line signal level |
LINE SIGNAL QUALITY | |
Type: |
Immediate |
Format: |
AT [cmds] %Q [cmds] |
Description: |
Returns a value which indicates line signal quality |
MAXIMUM BLOCK SIZE FOR TRANSMISSION | |
Type: |
Configuration |
Format: |
AT [cmds] \An [cmds] |
Description: |
Sets the maximum transmittable block size |
Command |
Function |
\A0 |
MNP block size is 64 characters |
í \A1 |
MNP block size is 128 characters |
\A2 |
MNP block size is 192 characters |
\A3 |
MNP block size is 256 characters |
MNP - EXTENDED SERVICES | |
Type: |
Configuration |
Format: |
AT [cmds] -Kn [cmds] |
Description: |
Selects MNP extended services |
Command |
Function |
í -K0 |
MNP extended services disabled |
-K1 |
MNP extended services enabled |
-K2 |
MNP extended services enabled without indicating MNP on the answer detection phase. |
MNP10 - EC | ||
Type: |
Configuration | |
Format: |
AT [cmds] -SEC=n [cmds] | |
Description: |
Controls MNP10-EC and transmit level | |
Command |
Function | |
-SEC=0 |
MNP10-EC disabled | |
-SEC=1,n |
MNP10-EC enabled and set transmit level to (n=0-30); if no number is entered for transmit level, S91 is used. |
MNP10 - FALLBACK | |
Type: |
Configuration |
Format: |
AT [cmds] -Qn [cmds] |
Description: |
Allows MNP10 to fall back to speeds slower than 4800bps |
Command |
Function |
-Q0 |
MNP10 at 2400 and 1200bps disabled, fallback to 4800bps |
í -Q1 |
MNP10 at 2400 and 1200bps enabled |
MNP10 - LINK NEGOTIATION | |
Type: |
Configuration |
Format: |
AT [cmds] *Hn [cmds] |
Description: |
Sets the speed at which MNP10 link negotiation will occur |
Command |
Function |
í *H0 |
Link will be negotiated at highest possible speed |
*H1 |
Link will be negotiated at 1200bps |
*H2 |
Link will be negotiated at 4800bps |
MNP10 - POWER LEVEL ADJUST | |
Type: |
Configuration |
Format: |
AT [cmds] )Mn [cmds] |
Description: |
Controls automatic transmit power level adjustment during MNP 10 link negotiation |
Command |
Function |
í )M0 |
Power level adjustment disabled |
)M1 |
Power level adjustment enabled; power level determined by modem. |
)M2 |
Power level adjustment enabled; power level remains fixed. |
MODULATION SELECTION | |
Type: |
Configuration |
Format: |
AT [cmds] +MS=x,y,z,a [cmds] |
Description: |
Sets options for active protocol; the transfer rates specified by z and a must be valid for the protocol selected. |
Command |
Function |
+MS? |
Displays modulation, automode, minimum rate and maximum rate settings |
x=0 |
V.21 |
x=1 |
V.22 |
x=2 |
V.22bis |
x=3 |
V.23 |
x=9 |
V.32 |
x =10 |
V.32bis |
í x=11 |
V.34 |
x =64 |
Bell 103 |
x =69 |
Bell 212A |
x =74 |
V.FC |
y =0 |
Automode disabled |
í y=1 |
Auto-detect highest speed enabled |
z, a=300 |
Set minimum or maximum transfer rate at 300bps, respectively. |
z, a =1200 |
Set minimum or maximum transfer rate at 1200bps, respectively. |
z, a =2400 |
Set minimum or maximum transfer rate at 2400bps, respectively. |
z, a =4800 |
Set minimum or maximum transfer rate at 4800bps, respectively. |
z, a =7200 |
Set minimum or maximum transfer rate at 7200bps, respectively. |
z, a =9600 |
Set minimum or maximum transfer rate at 9600bps, respectively. |
z, a =12000 |
Set minimum or maximum transfer rate at 12000bps, respectively. |
z, a =14400 |
Set minimum or maximum transfer rate at 14400bps, respectively. |
z, a =16800 |
Set minimum or maximum transfer rate at 16800bps, respectively. |
z, a =19200 |
Set minimum or maximum transfer rate at 19200bps, respectively. |
z, a =21600 |
Set minimum or maximum transfer rate at 21600bps, respectively. |
z, a =24000 |
Set minimum or maximum transfer rate at 24000bps, respectively. |
z, a =26400 |
Set minimum or maximum transfer rate at 26400bps, respectively. |
z, a =28800 |
Set minimum or maximum transfer rate at 28800bps, respectively. |
NVRAM - OVERCURRENT COMMANDS | ||
Type: |
Configuration | |
Format: |
AT [cmds] *TOn [cmds] | |
Description: |
Enables the read/write function and allows *TS0 and *TS1 settings to be stored in and read from NVRAM | |
Command |
Function | |
*TO0 |
Read overcurrent settings from NVRAM | |
*TO1 |
Write overcurrent settings to NVRAM |
OVERCURRENT DETECT | ||
Type: |
Configuration | |
Format: |
AT [cmds] *TS1=n [cmds] | |
Description: |
Controls the message that is used with ATXn, during overcurrent detection of digital line. | |
Command |
Function | |
*TS1=0 |
Standard result code enabled; reports NO CARRIER with X0, X1, and X3 command, and NO DIALTONE with X2, X4 command. | |
*TS1=1 |
Diagnostic result code enabled; reports DIGITAL LINE with X0-X4 command. | |
*TS1=2 |
Overcurrent protection disabled |
OVERCURRENT PROTECTION TIMEOUT | |
Type: |
Configuration |
Format: |
AT [cmds] *TS0=n [cmds] |
Default: |
20 |
Range: |
0-255 |
Unit: |
.1 second |
Description: |
Checks settle time, 10ms ticks at a time before qualifying digital overcurrent detection. |
REPORT INFORMATION | |
Type: |
Immediate |
Format: |
AT [cmds] In [cmds] |
Description: |
Displays information requested |
Command |
Function |
I0 |
Reports product code |
I1 |
Reports precomputed checksum |
I2 |
Reports OK |
I3 |
Reports firmware part number and revision |
I4 |
Reports ID string - Hayes-compatible binary |
I5 |
Reports country code |
I6 |
Reports modem data pump and internal code revision |
REPORT INFORMATION | ||
Type: |
Immediate | |
Format: |
AT [cmds] *TIn [cmds] | |
Description: |
Displays information requested | |
Command |
Function | |
*TI0 |
Reports ROM checksum | |
*TI1 |
Reports flash identification code | |
*TI2 |
Reports Rockwell code version |
SPECIAL CONFIGURATION COMMAND | ||
Type: |
Configuration | |
Format: |
AT [cmds] *TSn [cmds] | |
Description: |
Controls digital line/overcurrent sense | |
Command |
Function | |
*TSn=x |
Stores n in special register x | |
*TSn? |
Display current sense value n of special register x |
STATUS INDICATOR | ||
Format |
AT [cmds] ^T6 [cmds] | |
Default: |
Read only | |
Range: |
0-191 | |
Unit: |
Bit-mapped | |
Description: |
Indicate status of cellular phone | |
Bit |
Value |
Meaning |
0 |
0 1 |
Not receiving a call Receiving Call |
1 |
0 1 |
Not in use In use |
2 |
0 1 |
Unlocked, can be used Locked, cannot be used |
3 |
0 1 |
Service for cell phone No service for cell phone |
4 |
0 1 |
Powered off Powered on |
5 |
0 1 |
Cellular Driver not initialized Cellular Driver initialized |
6 |
0 |
Not used |
7 |
0 1 |
Cellular Cable not detected Cellular Cable detected |
STATUS-REGISTER | |
Type: |
Configuration |
Format: |
Read: AT? [cmds] Write: AT=n [cmds] |
Description: |
Writes to or reads from a specified register |
Note: See the section on S-registers for detailed listing of commonly used S-registers. |
STATUS-REGISTER | ||
Type: |
Configuration | |
Format: |
AT [cmds] Sn [cmds] | |
Description: |
Controls action taken to s-registers | |
Command |
Function | |
n |
S-register n established as lasted accessed | |
n =x |
Set S-register n to value x | |
n ? |
Reports value of S-register n |
TEST MODE - PTT | ||||
Type: |
Immediate | |||
Format: |
AT [cmds] %TTn [cmds] | |||
Description: |
Send PTT test signals for line tests | |||
Command |
Function |
Command |
Function | |
%TT00 - %TT09 |
DTMF tone dial digits 0 - 9 |
%TT21 |
V.32bis 14400bps | |
%TT0A |
DTMF digit * |
%TT30 |
Silence (on-line; i.e., go off-hook) | |
%TT0B |
DTMF digit # |
%TT31 |
V.25 answer tone | |
%TT0C |
DTMF digit A |
%TT32 |
1800Hz guard tone | |
%TT0D |
DTMF digit B |
%TT33 |
V.25 calling tone (1300Hz) | |
%TT0E |
DTMF digit C |
%TT34 |
Fax calling tone (1100Hz) | |
%TT0F |
DTMF digit D |
%TT40 |
V.21 channel 2 | |
%TT10 |
V.21 channel 1 mark (originate) symbol |
%TT41 |
V.27ter 2400bps | |
%TT11 |
V.21 channel 2 mark symbol |
%TT42 |
V27ter 4800bps | |
%TT12 |
V.23 backward channel mark symbol |
%TT43 |
V.29 7200bps | |
%TT13 |
V.23 forward channel mark symbol |
%TT44 |
V.29 9600bps | |
%TT15 |
V.22 originate (call mark) signaling at 1200bps |
%TT45 |
V.17 7200bps long train | |
%TT16 |
V.22bis originate (call mark) signaling at 2400bps |
%TT46 |
V.17 7200bps long train | |
%TT17 |
V.22 answer signaling (guard tone if PTT required) |
%TT47 |
V.17 9600bps long train | |
%TT18 |
V.22bis answer signaling (guard tone if required) |
%TT48 |
V.17 9600bps short train | |
%TT19 |
V.21 channel 1 space symbol |
%TT49 |
V.17 12000bps long train | |
%TT1A |
V.21 channel 2 space symbol |
%TT4A |
V.17 12000bps short train | |
%TT1B |
V.23 backward channel space symbol |
%TT4B |
V.17 14400bps long train | |
%TT1C |
V.23 forward channel space symbol |
%TT4C |
V.17 14400bps short train | |
%TT20 |
V.32 9600bps |
TEST MODE - PTT/V.FC | ||||||
Type: |
Immediate | |||||
Format: |
AT [cmds] %TTn [cmds] | |||||
Description: |
Send PTT test signals for line tests. V.FC modulation signal | |||||
Command |
Function | |||||
%TT5R,S,C,A,P |
V.FC modulation, R,S,C,A, and P parameters. See below: | |||||
Parameter |
Description |
Default |
V.FC range |
V.FC parameter | ||
A |
Auxillary channel |
0 |
0/1 |
SECEN | ||
C |
Carrier offset |
0 |
+ n*5Hz |
Fn59, addr 212 | ||
P |
Pre-emphasis |
0 |
0-15 |
Fn63, addr 0E6 | ||
R |
Data rate |
6-Ch |
CONF (+41h) | |||
S |
Symbol rate |
0 (2400 baud) |
0-5 (mask) |
Fn60, addr 101 |
TRANSMISSION LEVEL - CELLULAR | |
Type: |
Configuration |
Format: |
AT [cmds] @Mn [cmds] |
Default: |
0 |
Range: |
11-31 |
Unit: |
-1dBm |
Description: |
Sets the signal level for transmission while in cellular mode |
Command |
Function |
@M0 |
-26 dBm |
@M1 |
-30 dBm |
@M2-@M10 |
-10 dBm |
V.32 - COMPROMISE EQUALIZER | |
Type: |
Configuration |
Format: |
AT [cmds] :En [cmds] |
Description: |
Controls V.32 compromise equalizer |
Command |
Function |
:E0 |
Equalizer disabled |
í :E1 |
Equalizer enabled |