Card Type	Modem (asynchronous)
Chipset	Unidentified
Maximum Data Rate	33.6Kbps
Maximum Fax Rate	14.4Kbps
Data Modulation	Bell 103A, 212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34
Fax Modulation	ITU-T V.17, V.27ter, V.29
Error Correction/Compression	MNP5, V.42, V.42bis
Fax Class	Class I & II
Data Bus	PCMCIA Type II

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, ‘comma’, A/

A, E, H, M, O, P, Q, T, V, W, Z

&C, &D, &F, &G, &K, &M, &P, &S, &T, &W, &Y, &Z

Extended AT Commands

\A, \B, \J, \N, \Q, \T, \X

%C, %E, %Q

S-Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S16, S18, S25, S26, S29, S30, S38, S95

Note: See MHI help file for complete information.

UNIDENTIFIED COMMANDS
Command	Default
\K	5
S33	1

AUTO-ANSWER DEFAULT
Type:	Configuration
Format:	AT [cmds] %Bn [cmds]
Description:	Selects the default value for register S0 at power-up or when the &F command is issued.
Command	Function
í %B0	S0 defaults to 0.
%B1	S0 defaults to 2.

AUTOMATIC RATE SELECTION
Type:	Configuration
Format:	AT [cmds] *An [cmds]
Description:	Selects how the modem chooses a rate for rate negotiations and retrains. Lower speeds are more noise-resistant.
Command	Function
*A0	Choose lower than average speed.
í *A1	Choose average speed.
*A2	Choose higher than average speed.

BREAK LENGTH
Type:	Register
Format:	AT [cmds] S43=n [cmds]
Default:	15
Range:	0 - 255
Unit:	1 mS
Description:	Sets the default length of transmitted break signals.

BUFFER FAILSAFE
Type:	Register
Format:	AT [cmds] S82=n [cmds]
Default:	60
Range:	1 - 255
Unit:	1 byte
Description:	The function of this command is unidentified.

BUFFER MAXIMUM LEVEL
Type:	Register
Format:	AT [cmds] S80=n [cmds]
Default:	15
Range:	1 - 19
Unit:	5% of the total buffer space
Description:	Sets the percentage of the buffer that must be full before the modem sends the character or signal to pause the data.

BUFFER MINIMUM LEVEL
Type:	Register
Format:	AT [cmds] S81=n [cmds]
Default:	3
Range:	1 - 19
Unit:	5% of the total buffer space
Description:	Sets the percentage of the buffer that must be empty before the modem sends the character or signal to restart the data.

BUFFER OVERFLOW
Type:	Configuration
Format:	AT [cmds] #On [cmds]
Description:	Sets the modem's response when a buffer overflows.
Command	Function
í #O0	Modem drops incoming characters when buffer overflows.
#O1	Modem disconnects when transmit buffer overflows.
#O2	Modem disconnects when receive buffer overflows.
#O3	Modem disconnects when either buffer overflows.

CALLBACK DELAY
Type:	Register
Format:	AT [cmds] S27=n [cmds]
Default:	0
Range:	0 - 255
Unit:	1 second
Description:	Sets the amount of time that must elapse between the modem disconnecting and beginning a callback sequence.

CALLING TONE
Type:	Configuration
Format:	AT [cmds] #Cn [cmds]
Description:	Controls whether the modem will send a V.25 calling tone when originating a call.
Command	Function
#C0	Calling tone disabled.
í #C1	1300Hz V.25 calling tone enabled.

COMMAND LINE TIMEOUT
Type:	Register
Format:	AT [cmds] S69=n [cmds]
Default:	60
Range:	0 - 255
Unit:	1 second
Description:	The function of this register is unidentified.

COMMAND VERIFICATION
Type:	Configuration
Format:	AT [cmds] #Vn [cmds]
Description:	Selects whether the modem verifies entered commands.
Command	Function
#V0	Command verification disabled.
í #V1	Command verification enabled.

CONNECT MESSAGE
Type:	Configuration
Format:	AT [cmds] %Pn [cmds]
Description:	Sets when DCD is raised compared to when the CONNECT message is displayed.
Command	Function
í %P0	DCD is raised after CONNECT message is displayed.
%P1	DCD is raised before CONNECT message is displayed.

CTS SIGNAL
Type:	Configuration
Format:	AT [cmds] %Kn [cmds]
Description:	Controls the behaviour of the CTS signal.
Command	Function
í %K0	CTS normal.
%K1	CTS forced low during dialing and handshaking.

CTS SIGNAL
Type:	Configuration
Format:	AT [cmds] %Rn [cmds]
Description:	Controls the behaviour of the CTS signal.
Command	Function
í %R0	CTS signal controlled by &R command.
%R1	CTS follows RTS.
%R2	CTS follows RTS when on-line and follows DTR when off-line.

DES ENCRYPTION
Type:	Configuration
Format:	AT [cmds] #En [cmds]
Description:	Selects whether the modem will use DES en/decryption on transmitted and received data.
Command	Function
í #E0	DES encryption disabled.
#E1	DES encryption enabled.

DIAL
Type:	Immediate
Format:	AT [cmds] D<#>;[cmds]
Description:	Dials the telephone number indicated according to any modifiers included in the string.
Command	Function
DF	Calling tone disabled for this call.
DL	Re-dial last number.
DP	Pulse dialing enabled.
DR	Answer mode enabled; originate mode disabled following handshake initiation.
DS=n	Dial stored telephone number n.
DT	Tone dialing enabled.
DW	Dialing resumed following dial tone detection.
D,	Dialing paused for amount of time specified in S8 register.
D!	Flash function initiated. Modem commanded to go off-hook for specified time before returning on-hook.
D@	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.
D^	Calling tone disabled for this call.
D;	Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command.

DISCONNECT CAUSE
Type:	Register (read-only)
Format:	AT [cmds] S42? [cmds]
Description:	The meanings of the values for this register are unidentified.

DISCONNECT CAUSE - PREVIOUS CALL
Type:	Register (read-only)
Format:	AT [cmds] S74? [cmds]
Description:	The meanings of the values for this register are unidentified.

DISCONNECT DELAY
Type:	Configuration
Format:	AT [cmds] %Dn [cmds]
Default:	0
Range:	Unidentified
Unit:	1 second
Description:	Sets the delay before disconnection.

DISPLAY CONFIGURATION AND STATISTICS
Type:	Immediate
Format:	AT [cmds] \S [cmds]
Description:	Displays the settings of all commands and statistics about the current connection.

DISPLAY INFORMATION
Type:	Immediate
Format:	AT [cmds] In [cmds]
Description:	Displays information requested about the modem.
Command	Function
I0	Displays product identification code.
I1	Displays ROM checksum.
I2	Displays ROM checksum result as OK or ERROR.
I3	Displays modem model.
I4	Displays firmware revision and release date.
I5	Displays manufacturer information.
I9	Displays voice firmware manufacturer.
I10	Displays modem statistics.

DISPLAY PROFILES
Type:	Immediate
Format:	AT [cmds] &V [cmds]
Description:	Displays the configuration profile indicated. If no profile is specified the active profile will be displayed.
Command	Function
&V0	Displays stored profile 0.
&V1	Displays stored profile 1.
&V2	Displays stored profile 2.
&V3	Displays stored profile 3.
&V8	Displays all command setting differences between the active and the default profile.

DISTINCTIVE RING
Format:			AT [cmds] -SDR=n [cmds]
Default:			0
Range:			0 - 7
Description:			Selects which distinctive ring signals the modem will respond to and how it will respond.
Bit	Value			Function
0	í 0 1			Respond to ring type 1 as RING. Respond to ring type 1 as RING1.
1		í 0 1			Respond to ring type 2 as RING. Respond to ring type 2 as RING2.
2		í 0 1			Respond to ring type 3 as RING. Respond to ring type 3 as RING3.

DSR SIGNAL
Type:	Configuration
Format:	AT [cmds] %Sn [cmds]
Description:	Controls the behaviour of the DSR signal.
Command	Function
í %S0	DSR normal.
%S1	DSR follows DTR.

DTR CHANGE THRESHOLD
Type:	Register
Format	AT [cmds] S75=n [cmds]
Default:	0
Range:	0 - 255
Unit:	10 mS
Description:	Sets the minimum time the DTR signal must be high to be acknowledged by the modem.

EXTENDED RESULT CODES
Type:	Configuration
Format:	AT [cmds] %Un [cmds]
Description:	Selects which extended result codes the modem will display.
Command	Function
í %U0	Reliable result codes will be displayed for all error correction connections.
%U1	V.42 result codes will be displayed.
%U2	V.42 and V.42bis, MNP2-5, and DES result codes will be displayed.

EXTENDED RESULT CODES - RELIABLE
Type:	Configuration
Format:	AT [cmds] \Vn [cmds]
Description:	Selects reliable extended result codes.
Command	Function
í \V0	Reliable result codes disabled.
\V1	Reliable result codes enabled.
\V8	Extended result codes enabled.
\V9	Extended result codes enabled with diagnostic information.

FLASH DIAL MODIFIER TIME
Type:	Register
Format	AT [cmds] S100=n [cmds]
Default:	5
Range:	1 - 10
Unit:	.1 second
Description:	Time the modem will go on-hook upon receiving the ! dial modifier in dial string.

FLOW CONTROL
Type:	Configuration
Format:	AT [cmds] &Kn [cmds]
Description:	Selects the type of flow control the modem will use.
Command	Function
&K0	Flow control disabled.
&K3	RTS/CTS flow control enabled.
&K4	XON/XOFF flow control enabled.
&K5	Transparent XON/XOFF flow control enabled.
í &K9	Failsafe flow control enabled.

HELP
Type:	Immediate
Format:	AT [cmds] ? [cmds]
Description:	Displays help on the modem's commands.

HELP SCREEN LENGTH
Type:	Register
Format:	AT [cmds] S97=n [cmds]
Default:	24
Range:	1 - 255
Unit:	1 line
Description:	Sets the number of lines of text of the help screen the modem will display before pausing.

HELP SCREEN WIDTH
Type:	Register
Format:	AT [cmds] S96=n [cmds]
Default:	80
Range:	1 - 255
Unit:	1 column
Description:	Sets the number of characters wide the modem will format the help screen to display.

INTERRUPT DIALING SEQUENCE
Type:	Configuration
Format:	AT [cmds] &Nn [cmds]
Description:	Selects whether a dialing or connection/handshaking sequence may be interrupted by user input.
Command	Function
&N0	Dial interrupt disabled.
í &N1	Dial interrupt enabled.

PROTOCOL/SPEED
Type:	Configuration
Format:	AT [cmds] Bn [cmds]
Description:	Selects the protocol and speed the modem will attempt to connect at.
Command	Function
B0	Select protocol specified by #B.
B1	Auto-detect the highest common connect speed.
B2	Select protocol specified by #B.
B3	Select V.21 at 300bps speed.
B4	Select Bell 103 at 300bps speed.
B5	Select V.23 at 1200/75bps speed.
B6	Select V.22 at 1200bps speed.
B7	Select Bell 212A at 1200bps speed.
B8	Select V.22bis at 2400bps speed.
B9	Auto-detect the highest common connect speed.
B10	Select V.32 at 4800bps speed.
B11	Select V.32bis at 7200bps speed.
B12	Select V.32bis uncoded at 9600bps speed.
B13	Select V.32bis at 9600bps speed.
B14	Select V.32bis at 12Kbps speed.
B15	Select V.32bis at 14.4Kbps speed.
B16	Select V.34 at 14.4Kbps speed.
B17	Select V.34 at 16.8Kbps speed.
B18	Select V.34 at 19.2Kbps speed.
B19	Select V.34 at 21.6Kbps speed.
B20	Select V.34 at 24Kbps speed.
B21	Select V.34 at 26.4Kbps speed.
B22	Select V.34 at 28.8Kbps speed.
B23	Select V.34 at 31.2Kbps speed.
B24	Select V.34 at 33.6Kbps speed.

PROTOCOL/SPEED MODIFIER
Type:	Configuration
Format:	AT [cmds] #Bn [cmds]
Description:	Selects the communication protocol for low-speed data calls.
Command	Protocol
í #B0	B2 indicates modem will use ITU-T V.22 at 1200bps; B0 indicates modem will use V.23 at 1200bps.
#B1	B0 indicates modem will use ITU-T V.22 at 1200bps; B2 indicates modem will use V.23 at 1200bps.

REMOTE CONFIGURATION
Type:	Configuration
Format:	AT [cmds] #An [cmds]
Description:	Sets whether the modem will allow remote configuration sessions.
Command	Function
#A0	Remote configuration disabled.
#A1	Remote configuration enabled.
í #A2	Remote configuration enabled and configuration password required.

REMOTE CONFIGURATION CHARACTER
Type:	Register
Format:	AT [cmds] S67=n [cmds]
Default:	42
Range:	0 - 127
Unit:	1 ASCII character
Description:	Defines the character that, when sent four times within the guard time set by S66, will notify the modem that a remote configuration session has been requested.

REMOTE CONFIGURATION SEQUENCE
Type:	Immediate
Format:	****<WAIT>
Description:	Initiates the remote configuration escape sequence, requesting to begin a remote configuration session with the remote modem. The modem must receive the four characters set with the S67 command within the time allotted by S66.
Note:	Do not precede this command with AT.

REMOTE CONFIGURATION SEQUENCE GUARD TIME
Type:	Register
Format	AT [cmds] S66=n [cmds]
Default:	10
Range:	1 - 255
Unit:	.1 second
Description:	Maximum time that may elapse for a remote configuration character sequence to be entered in order for it to be executed.

RESULT CODES
Type:	Configuration
Format:	AT [cmds] Qn [cmds]
Description:	Enables modem to send result codes to the DTE.
Command	Function
í Q0	Result code sending enabled.
Q1	Result code sending disabled.
Q2	Result code sending enabled; modem will not send RINGING result code in answer mode.

RESULT CODES
Type:	Configuration
Format:	AT [cmds] Xn [cmds]
Description:	Enables selection of tone detection and associated result code format options.
Command	Function
X0	Busy and dial tone detection disabled; basic result codes only enabled.
X1	Busy and dial tone detection disabled; basic result codes with connect speed enabled.
X2	Busy tone detection disabled, dial tone detection enabled; basic result codes with connect speed enabled.
X3	Busy tone detection enabled, dial tone detection disabled; basic result codes with connect speed enabled.
X4	Busy and dial tone detection enabled; basic result codes with connect speed enabled.
í X5	Busy and dial tone detection enabled; basic result codes with connect speed enabled; RINGING response enabled..
X6	Busy tone detection enabled, dial tone detection disabled; basic result codes with connect speed enabled; RINGING response enabled.

SECURITY MENU MODE
Type:	Immediate
Format:	AT [cmds] #S
Description:	Commands the modem to enter security menu mode.

TRANSMISSION LEVEL
Type:	Configuration
Format:	AT [cmds] %Ln [cmds]
Default:	Unidentified
Range:	0, 11 - 19
Unit:	-1 dBm
Description:	Sets the signal level for transmission. %L0 will display the current signal level.

V.42 DETECTION PHASE
Type:	Configuration
Format:	AT [cmds] #Jn [cmds]
Description:	Selects whether the modem will go through the V.42 detection phase.
Command	Function
#J0	V.42 detection phase disabled.
í #J1	V.42 detection phase enabled.

V.42 DETECTION PHASE TIME
Type:	Register
Format:	AT [cmds] S62=n [cmds]
Default:	75
Range:	0 - 255
Unit:	10 mS
Description:	Sets the length of the V.42 detection phase.

WELCOME MESSAGE
Type:	Configuration
Format:	AT [cmds] *Wxxxx|xxxx [cmds]
Description:	Sets the welcome message displayed to incoming connections. The vertical bar (|) character may be used to specify line breaks. The message must be 80 characters or less.

WELCOME MESSAGE DISPLAY
Type:	Configuration
Format:	AT [cmds] %Wn [cmds]
Description:	Selects whether the modem will display the welcome message to incoming connections.
Note:	See the *W command for more information.
Command	Function
í %W0	Welcome message will not be displayed.
%W1	Welcome message will be displayed.