AT COMMANDS SET FOR MODEM BLASTER VER 1.1 2/97
A/ Repeat Last Command: This is the only command not preceded by AT or ended with
the ENTER key. This will cause the modem to execute the last AT command stored
in the modems internal buffer.
A Answer command: This command will cause the modem to immediately go into answer
mode. The modem will go off hook and begin the answer handshake.
Bn ITU-T or Bell configuration.
n = 0 Select ITU-T V.22 if the connection is 1200 bps and ITU-T V.21 if the
connection is at 300 bps.
* n = 1 Selects Bell 212A if the connection is at 1200 and Bell 103J if the connection
is at 300 bps.
n = 2 Selects ITU-T V.23 connection only. In answer mode the transmit speed is
1200 bps ,receive speed is 75 bps. In originate mode the transmit speed is 75
bps and its receive speed is 1200 bps.
n = 3 Selects ITU-T V.23 connection only. In answer modem the transmit speed is
75 bps, receive speed is 1200 bps. In originate mode the transmit speed is 1200
bps and receive speed is 75 bps.
Dn Dial command: This command will cause the modem to go off hook and dial. There several
modifiers that effect this command.
0 through 9 are the digits the modem will dial.
T Will cause the modem to tone dial.
P Will cause the modem to pulse dial.
R Will cause the modem to go into reverse originate mode.
S=n Will dial stored phone number. n = 0 to 3.
W Will cause the modem to go off hook and wait the amount of time specified in the S6
register.
, Will cause the modem to wait the amount of time specified in the S8 register before it
Will continue executing the rest of the dialing string.
! Will cause the modem to go on then off hook for .75 sec.
@ Will cause the modem to wait the amount of time specified in the S7 register followed by
5 seconds of silence before continuing to execute the dial string.
; Will cause the modem to enter command mode without initiating the hand shake tones.
En Echo mode
n = 0 Does not echo AT commands to host.
*n = 1 Does echo AT commands to host.
Fn Online echo
n = 0 Disabled
*n = 1 AT commands echo back to host in on-line or off-line command mode.
Hn Switch hook mode
*n = 0 Modem goes on hook.
n = 1 Modem goes off hook.
In Report hardware information.
n = 0 Reports the product code.
n = 1 Reports firmware version.
n = 3 Reports chip set name.
n = 6 Reports country code.
Ln Speaker volume control.
n = 0 Low speaker volume.
n = 1 Low speaker volume.
*n = 2 Medium speaker volume.
n = 3 High speaker volume.
Mn Speaker control.
n = 0 Speaker is always off.
*n = 1 Speaker is on until carrier is detected.
n = 2 Speaker is always on.
n = 3 Speaker is off during dialing and on until carrier is detected.
On Go back into data mode when modem is on-line command mode.
*n = 0 Returns the modem back into data mode without hand shaking.
n = 1 Returns the modem back into data with handshaking.
Qn Result codes
*n = 0 Enable result codes.
n = 1 Disable result codes.
Vn Result code format
n = 0 Result codes reported in a numeric form.
*n = 1 Result codes reported in a verbose form.
Wn Data rate response
*n = 0 Connect result reports DTE speed.
n = 1 Connect result reports DTE speed.
n = 2 Connect result reports DTE speed.
n = 3 Connect result reports DTE data rate, modulation mode, error correction, data compression,
DCE transmit speed, and DCE receive speed.
n = 4 Connect result code reports DTE protocol, data compression, and DTE rate.
Xn Result code options
n = 0 Enables result codes 0-4 , detection of dial tone and busy disabled.
n = 1 Enables result codes 0-5, 10-45 , detection of dial tone and busy disabled.
n = 2 Enables result codes 0-6, 10-45 and detection of dial tone and busy.
n = 3 Enables result codes 0-5, 7, 10-45, detection of dial tone and busy disabled.
*n = 4 Enables result codes 0-7, 10-45, detection of dial tone and busy enabled.
Yn Long space disconnect
*n = 0 Disables long space disconnect.
n = 1 Enables long space disconnect. The modem will disconnect after 1.6 seconds of silence,
also after receiving an ATH0 the modem will send at least 4 seconds of silence before
disconnecting.
Zn Resets modem
*n = 0 Resets the modem and loads stored profile 0 to the modem.
n = 1 Resets the modem and loads stored profile 1 to the modem.
&Cn Data carrier detect mode
n = 0 DCD is always on.
*n = 1 DCD reports the state of the remote carrier.
&D2 Data terminal ready mode
n = 0 Modem ignores DTR
n = 1 When DTR switches on to off the modems returns to command mode.
*n = 2 When DTR switches on to off the modem goes on hook ,and auto answer is disabled.
n = 3 When DTR switches from on to off the modem will perform a power on reset, except the
UART registers will not be reconfigured.
&F Loads the factory defaults settings to the modems active profile.
&Gn Guard tone , only works in ITU-T V.22 bis 1200 bps or 2400 bps.
*n = 0 Disables guard tone.
n = 1 Sets guard tone to 550 Hz.
n = 2 Sets guard tone to 1800 Hz.
&Kn Flow control options
n = 0 Disables the modems flow control.
*n = 3 Sets the modem to hardware flow control (RTS/CTS).
n = 4 Sets the modem to software flow control (XON/XOFF).
&Pn Dial pulse ratio
*n = 0 For use in the USA.
n = 1 For use in the UK and Hong Kong.
&Sn Data set ready options
*n = 0 DSR is always on.
n = 1 DSR is on when hand shaking and off when in test mode, idle mode, and when carrier is
lost.
&Tn Modem test options
*n = 0 End test.
n = 1 Local analog loopback test.
n = 4 Grants RDL test from remote system.
n = 5 Denies RDL test from remote system.
n = 6 Remote digital loopback test.
n = 7 Remote digital loopback test with self test.
n = 8 Local analog loopback test with self test.
&Un Trellis coding
*n = 0 Trellis coding enabled.
n = 1 Trellis coding enabled.
&V View stored and active profiles.
&Wn Saves configuration into stored profiles.
*n = 0 Saves configuration into stored profile 0.
n = 1 Saves configuration into stored profile 1.
&Yn Selects which stored profile to be used on power up.
*n = 0 Loads stored profile 0.
n = 1 Loads stored profile 1.
&Zn=x Stores dial strings into modems memory.
n = 0 to 3
x = Dial string to be stored.
%An Auto fallback character
n = 0 -127(ASCII) default = 13
%Cn Data compression
n = 0 Disabled
*n = 1 Enabled
%En Initiate auto retrain
n = 0 Disabled
*n = 1 Enabled
%Gn Initiate rate renegotiation
*n = 0 Disabled
n = 1 Enabled
\An MNP block size
n = 0 Maximum 64 characters.
n = 1 Maximum 128 characters.
n = 2 Maximum 192 characters.
*n = 3 Maximum 256 characters.
\Bn Break length
n = 0 to 9 ( 100 ms pre unit)
\Cn Auto-reliable buffer options
*n = 0 Data buffer disabled
n = 1 Buffers data for 4 sec or until 200 characters have been buffered or until sync is detected,
then switches into reliable mode.
n = 2 Does not buffer data until detection of auto fallback character.
\Gn Flow control for normal mode
*n = 0 Disabled
n = 1 XON/XOFF
\Jn Auto baud rate options: This will force port speed to change to match connect speed.
*n = 0 Disabled
n = 1 Enables
\Kn Break control options. What happens when a break is sent or received by the modem.
Transmits a break while in connect state in reliable mode
n = 0,2,4 Enters command state but does not send a break.
n = 1 Destructive/expedited
n = 3 Nondestructive/expedited
*n = 5 Nondestructive/nonexpedited
Transmits a break while in command state in reliable mode.
n = 0,1 Destructive/expedited
n = 2,3 Nondestructive/expedited
*n = 4,5 Nondestructive/nonexpedited
Receives a break at serial port wile in connect state in direct mode.
n = 0,2,4 Sends break and enters command mode.
*n = 1,3,5 Sends break.
Receives a break at modem port and sends to serial port while in connect state.
n = 0,1 Destructive/expedited
n = 2,3 Nondestructive/expedited
*n = 4,5 Nondestructive/nonexpedited
\Nn Operating mode options
n = 0,1 Buffer mode (normal mode). No data compression or error correction and uses
speed buffering.
n = 2 MNP reliable mode. Connects with MNP error correction or makes no connection at all.
*n = 3 V.42 auto-reliable mode. Attempts a LAPM connection but will connect however
possible.
n = 4 V.42 reliable mode. Connects with LAPM error correction or makes no connection at all.
\O Originate reliable link when modem regardless if modem originated answered the call.
\Qn Flow control options
n = 0 Disables flow control.
n = 1 Software flow control (XON/XOFF).
n = 2 Unidirectional hardware flow control (CTS).
*n = 3 Bi-directional hardware flow control (RTS/CTS).
\Tn Inactivity timer: Length of time the modem remains inactive before it disconnects.
*n = 0 Disabled
n = 1 to 90 (units = minutes)
\U Accept auto-reliable answers a MNP link request regardless if the modem originated or answered
the call.
\Xn XON/XOFF pass-through
*n = 0 Disabled
n = 1 XON/XOFF flow control characters are sent to DTE.
-Jn V.24 detect phase
n = 0 Disabled
*n = 1 Enabled
"Hn V.42 bis compression
n = 0 Disabled
n = 1 V.42 bis only when transmitting data.
n = 2 V.42 bis only when receiving data.
*n = 3 V.42 bis in transmitting and receiving data.
"On V.42 bis string length
n = 6 - 250 characters
default 32
S Registers For Modem Blaster
S0 Number of rings needed to auto answer: Sets the number of rings needed to make the modem
perform an auto answer. default=0 Range 0-255
S1 Ring Counter: Records the number of rings the modem has detected. Resets to 0 if no rings are
detected in 8 seconds. default=0 range 0-255
S2 Escape Character: Decimal number representing an ASCII character.
default=43 (ASCII +) range 0-127
S3 Carriage Return Character: Decimal number representing an ASCII character.
default=13 (ASCII enter) range 0-127
S4 Line Feed Character: Decimal number representing an ASCII character.
default=10(ASCII line feed) range 0-127
S5 Back Space Character: Decimal number representing an ASCII character.
default=8(ASCII back space) range 0-127
S6 Wait Time Before Blind Dialing: Number of seconds after the modem goes off hook before it
will dial. Only applies if modem is in blind dial mode.(if X0,X1 or X3 is sent to the modem.
default=2 range is 2-255 sec.
S7 Wait Time For Carrier Detect or Dial Tone: The length of time the modem will wait to detect a
dial tone or the remote modems carrier signal.
default=60 range 1-255 sec.
S8 Pause Time for the (,) Dial Modifier: The amount of time the (,) will cause the modem to pause.
default=2 range0-255sec.
S9 Carrier Detect Recovery Time: The amount of time the carrier must be present before the
modem will recognize it. default=6 range 1-255 1/10 of a sec.
S10 Hang Up Delay After Loss of Carrier: The amount of time that after the remote carrier is lost
before this modem will disconnect. default=14 range 1-255 1/10 of a sec.
S11 DTMF Dialing Speed: Determines the length of the dual dialing tones.
default=70 range 50-255 ms.
S12 Guard Time: Sets the guard tone detect time used for escape sequence.
default=50 range 0-255 1/50 of a sec.
S18 Duration of Modem Tests: Sets the length of the &T tests.
default=0 range 0-255 sec.
S25 Detect DTR Change: This sets the amount of time that the DTR must be off before the &D
command will de executed. default=5 range 0-255 1/100 of a sec.
S30 Inactivity Timer: This sets the amount of time that the modem will stay connected if no data
is being transferred. When set to zero timer is disabled. default=0 range 0-255 minutes.
S33 Sleep Mode Timer: default=10 range 0-90 sec.
S37 Maximum Line Connect Speed: This sets the maximum connect the modem will attempt.
0 = DTE rate
3 = 300
5 = 1,200
6 = 2,400
7 = 4,800
8 = 7,200
9 = 9,600
10 = 12,000
11 = 14,400
12 = 16,800
13 = 19,200
14 = 21,600
15 = 24,000
16 = 26,400
17 = 28,800
18 = 31,200
19 = 33,600
Response Codes for Modem Blaster
Numeric Codes Verbose Codes
0 OK
1 CONNECT
2 RING
3 NO CARRIER
4 ERROR
5 CONNECT 1200
6 NO DIAL TONE
7 BUSY
8 NO ANSWER
10 CONNECT 2400
11 CONNECT 4800
12 CONNECT 9600
13 CONNECT 14400
14 CONNECT 19200
18 CONNECT 57600
22 CONNECT 1200 / 75
23 CONNECT 75 / 1200
24 CONNECT 7200
25 CONNECT 12000
28 CONNECT 38400
31 CONNECT 115200
33 FAX
35 DATA
45 RINGBACK
59 CONNECT 16800
61 CONNECT 21600
62 CONNECT 24000
63 CONNECT 26400
64 CONNECT 28800
Download Driver Pack
After your driver has been downloaded, follow these simple steps to install it.
Expand the archive file (if the download file is in zip or rar format).
If the expanded file has an .exe extension, double click it and follow the installation instructions.
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Find the device and model you want to update in the device list.
Double-click on it to open the Properties dialog box.
From the Properties dialog box, select the Driver tab.
Click the Update Driver button, then follow the instructions.
Very important: You must reboot your system to ensure that any driver updates have taken effect.
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