Card Type	Modem
Chip Set	Unidentified
I/O Options	Line out, line in, microphone in, audio in, speaker out, game port
Maximum Modem Rate	33.6Kbps
Maximum Fax Rate	14.4Kbps
Data Modulation Protocol	Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34
Fax Modulation Protocol	ITU-T V.17, V.27ter, V.29
Error Correction/Compression	MNP10, MNP5, V.42, V.42bis
Fax Class	Unidentified
Data Bus	16 -bit ISA

CONNECTIONS
Function	Label		Function		Label
Line in (RJ-11)		CN1		Audio in		CN4
Line out (RJ-11)		CN2		Speaker out		CN5
Microphone in		CN3		Game/MIDI port		CN6

SUPPORTED COMMAND SET

Basic AT Commands

AT, A/

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

&C, &P, &R, &W, &Z

Extended AT Commands

\A, \B, \N

%C, %E

S Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25, S26, S28

Special Commands

#CID

Voice Commands

#SPK, #TL, #VBT, #VGT, #VRA, #VRN, #VRX, #VSD, #VSP, #VTD, #VTS, #VTX,

Note: See MHI Help File for full command documentation.

AUTO-MODE DETECTION
Type:	Configuration
Format:	AT [cmds] Nn [cmds]
Description:	Selects various options for the automatic detection and negotiation of protocols during the handshake process if the modem is communicating with a remote modem of dissimilar speed.
Command	Function
N0	Auto-mode detection disabled; handshake begins at line speed designated by the S32 register.
í N1	Auto-mode detection enabled; handshake conducted according to automode algorithm.

CONNECT MESSAGE FORMAT
Type:	Configuration
Format:	AT [cmds] &An [cmds]
Description:	Determines CONNECT message format
Command	Function
&A0	Extended result codes disabled
&A1	Modulation indicator added to CONNECT message
&A2	Error detection protocol and data compression indicator added CONNECT message
&A3	Modulation indicator, error detection protocol and data compression indicator added CONNECT message

CONNECT MESSAGE SPEED SOURCE
Type:	Configuration
Format:	AT [cmds] &En [cmds]
Description:	Selects requested source for the speed field in the CONNECT message
Command		Mode
í &E0		DCE speed source
&E1		DTE speed source

DATA SET READY (DSR)
Type:	Configuration
Format:	AT [cmds] &Sn [cmds]
Description:	Selects DSR options
Command	Function
&S0	DSR forced high
&S1	DSR high only while modem is handshaking or connected

DATA TERMINAL READY (DTR)
Type:	Configuration
Format:	AT [cmds] &Dn [cmds]
Description:	Selects modem response to DTR
Command		Mode
&D0		Ignore transition of DTR status
&D1		Switch to command mode if DTR is low
í &D2		DTR follows DTR curcuit definition
&D3		Reset on low DTR

DEFAULT CONFIGURATION
Type:	Configuration
Format:	AT [cmds] Yn [cmds]
Description:	Selects default user defined configuration
Command	Function
Y0	Select user template 0
Y1	Select user template 1
Y2	Select factory setting 0
Y3	Select factory setting 1

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
DL	Re-dial last number
DP	Pulse dialing enabled
DS=n	Dial stored telephone number n
DT	Tone dialing enabled/Pulse dialing disabled
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 Quite 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;	Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command.

DISPLAY AMPERSAND COMMANDS
Type:	Immediate
Format:	AT [cmds] &$ [cmds]
Description:	Displays a list of all & commands

FACTORY DEFAULT PROFILE
Type:	Configuration
Format:	AT [Cmds] &F [cmds]
Description:	Sets values in active profile to values found in the default profile
Command	Mode
&F0	Select factory setting 0
&F1	Select factory setting 1

FLOW CONTROL
Type:	Configuration
Format:	AT [cmds] &Hn [cmds]
Description:	Enables flow control options
Command	Function
&H0	Flow control disabled
í &H1	RTS to CTS flow control enabled

REPORT INFORMATION
Type:	Immediate
Format:	AT [cmds] In [cmds]
Description:	Displays information requested
Command	Function
I1	Reports vendor
I2	Reports hardware manufacturer and model information
I3	Reports software manufacturer and model information
I4	Reports data connection information
I5	Reports data connection information
I6	Reports data connection information

SELECT CALL PROGRESS 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; result codes 0 - 4 enabled.
X1	Busy and dial tone detection disabled; result codes 0 - 5 & 9 - 1212 enabled.
X2	Busy tone detection disabled, dial tone detection enabled; result codes 0 - 6 & 9 - 1212 enabled.
X3	Busy tone detection enabled, dial tone detection disabled; result codes 0 - 5, 7 - 1212 enabled.
X4	Busy and dial tone detection enabled; result codes 0 - 1212 enabled.

SPEAKER VOLUME
Type:	Configuration
Format:	AT [cmds] Ln [cmds]
Description:	Controls speaker volume
Command	Function
L0	Low volume setting
» L1	Low volume setting
L2	Medium volume setting
L3	Highest volume setting

TEST MODES
Type:	Immediate
Format:	AT [cmds] &Tn
Description:	Selects test options
Command	Function
&T0	TBD
&T1	TBD
&T2	TBD
&T3	TBD

USER DEFINED CONFIGURATION
Type:	Immediate
Format:	AT [cmds] Zn [cmds]
Description:	Selects user defined configuration
Command	Function
Z0	Restore default user template
Z1	Restore user template 0
Z2	Restore user template 1
Z3	Restore factory setting 0
Z4	Restore factory setting 1

BREAK TYPE
Type:		Configuration
Format:		AT [cmds] \Kn [cmds]
Description:		Configures action of break signal
Command	Function
\K0	Online command mode enabled, send no break to remote modem
\K1	Break sent to remote modem and buffered cleared
\K2	Online command mode enabled, send no break to remote modem
\K3	Send break to remote modem immediately
\K4	Online command mode enabled, send no break to remote modem
» \K5	Send break with transmitted data

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. +MS? queries settings
Command	Function
x=21	V.21
x=22	V.22
x=34	V.34
x=103	Bell 103
x=122	V.22bis
x=132	V.32bis
y=0	Automode disabled
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.
z, a=33600	Set minimum or maximum transfer rate at 33600bps, respectively.

MODE SELECTION
Type:	Immediate
Format:	AT [cmds] #CLS=n [cmds]
Description:	Selects which mode the modem will operate in.
Command	Function
#CLS=0	Modem will operate in data mode.
#CLS=1	Modem will operate in fax class I mode.
#CLS=8	Modem will operate in voice mode.

RECORD GAIN
Type:	Configuration
Format:	AT [cmds] #RG=hhhh [cmds]
Default:	7FFF
Range:	0000 - 7FFF
Unit:	Unidentified (hexadecimal)
Description:	Sets the record gain. #RG? queries value

VOICE - LOCAL SERIAL PORT SPEED
Type:	Configuration
Format:	AT [cmds] #BDR=n [cmds]
Range:	0-48
Unit:	2400bps
Description:	Sets the speed of the local serial port when in voice mode.

VOICE DEVICE
Type:	Configuration
Format:	AT [cmds] #VLS=n [cmds]
Description:	Selects the I/O device for the DSP chip.
Command	Function
í #VLS=0	Telephone line and handset used for voice I/O.
#VLS=2	Internal speaker only used for voice I/O.
#VLS=3	External microphone only used for voice I/O.
#VLS=6	Speakerphone used for voice I/O.

VOICE INACTIVITY TIMER
Type:	Configuration
Format	AT [cmds] #VIT=n [cmds]
Range:	0-255
Unit:	1 ms
Description:	Maximum duration of voice inactivity allowed prior to initiating hang-up process.
Note: #VIT=0 disables the timer and allows indefinite inactivity. #VIT? queries current setting. #VIT=? lists available options

VOICE PARAMETERS
Type:	Configuration
Format:	AT [cmds] #VIP [cmds]
Description:	Initializes voice parameters

VOICE SAMPLE QUALITY
Type:	Configuration
Format:	AT [cmds] #VBS=n [cmds]
Description:	Selects the number of bits per sample that the modem records.
Command	Function
#VBS=2	Modem records 2 bits per sample in ADPCM encoding.
í #VBS=4	Modem records 4 bits per sample in ADPCM encoding.
#VBS=8	Modem records 8 bits per sample in PCM encoding.
#VBS=16	Modem records 16 bits per sample in PCM encoding.

VOICE SAMPLING RATE
Type:	Configuration
Format:	AT [cmds] #VSR=n [cmds]
Description:	Sets the sampling rate used when recording voice signals. #VSR? queries settings
Command	Function
#VSR=7200	Selects a sampling rate of 7.2KHz.
#VSR=8000	Selects a sampling rate of 8.0KHz.
#VSR=11025	Selects a sampling rate of 11.025KHz.

VOICE SILENCE DETECTION THRESHOLD
Type:	Configuration
Format:	AT [cmds] #VSS=n [cmds]
Range:	0 - 31
Unit:	Unidentified
Description:	Sets the threshold of sensitivity that the modem uses to determine silence detection. #VSS=0 disables. #VSS=31 allows for noisy conditions. #VSS? queries current setting. #VSS=? Lists available options

VOICE TIMING MARK
Type:	Configuration
Format:	AT [cmds] #VTM=n [cmds]
Range:	0 - 10
Unit:	.1ms
Description:	Configures timing mark placement. #VTM? queries current setting. #VTM=? Lists available options

ACTUAL SPEED
Type:	Register
Format:	AT [cmds] S35=n [cmds]
Description:	Selects actual line speed. Further information is unavailable

ADPCM BITS PER SAMPLE
Type:	Register
Format:	AT [cmds] S76=n [cmds]
Description:	Selects bits per sample in ADPCM coding. Further information is unavailable

AUTO ANSWER CLEAR TIMEOUT
Type:	Register
Format	AT [cmds] S27=n [cmds]
Range:	0-255
Unit:	1 second
Description:	Determines auto-answer clear timeout

AUTOMODE SELECTION
Type:	Register
Format:	AT [cmds] S31=n [cmds]
Description:	Selects automode options
Command	Function
S31=0	Auto-mode detection disabled; handshake begins at line speed designated by the S32 register.
» S31=1	Auto-mode detection enabled; handshake conducted according to automode algorithm.

AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD
Type:	Register
Format:	AT [cmds] S39=n [cmds]
Description:	Controls auto-retrain mode and fallback/fall-forward
Command	Function
S39=0	Auto-retrain disabled
S39=1	Auto-retrain enabled
S39=2	Auto-fallback/fall-forward enabled

BEEP TONE TIMER
Type:	Register
Format	AT [cmds] S77=n [cmds]
Range:	0-40
Unit:	.1 second
Description:	Determines the beep tone pulse duration.

BREAK SEND
Type:	Register
Format:	AT [cmds] S21=n [cmds]
Range:	1-9
Unit:	100ms
Description:	Sends break to modem

CALLER ID
Type:	Register
Format:	AT [cmds] S75=n [cmds]
Description:	Enables caller ID function. Further information is unavailable

CONNECT MESSAGE FORMAT
Type:	Register
Format:	AT [cmds] S70=n [cmds]
Description:	Selects CONNECT message format. Further information is unavailable

CONNECT MESSAGE SPEED SOURCE
Type:	Register
Format:	AT [cmds] S71=n [cmds]
Description:	Selects CONNECT message speed source. Further information is unavailable

COUNTRY CODE
Type:	Register
Format:	AT [cmds] S40=n [cmds]
Range:	0-7
Description:	Selects county type. Further information is unavailable

DATA CARRIER DETECT
Type:	Register
Format:	AT [cmds] S68=n [cmds]
Description:	Selects DCD options. Further information is unavailable

DATA CARRIER DETECT (DCD)
Type:	Register
Format:	AT [cmds] S60=n [cmds]
Description:	Selects whether the DCD option is enabled or disabled
Command	Function
S60=0	DCD enabled
S60=1	DCD enabled after carrier signal detected

DATA SET READY
Type:	Register
Format:	AT [cmds] S63=n [cmds]
Description:	Selects DSR options. Further information is unavailable

DATA SET READY
Type:	Register
Format:	AT [cmds] S67=n [cmds]
Description:	Selects DSR options. Further information is unavailable

DATA TERMINAL READY (DTR)
Type:	Register
Format:	AT [cmds] S63=n [cmds]
Description:	Selects modem response to DTR. Further information is unavailable

DEFAULT SETTING
Type:	Register
Format:	AT [cmds] S161=n [cmds]
Range:	0-1
Description:	Selects default setting. Further information is unavailable

ECHO MODE
Type:	Register
Format	AT [cmds] S13=n [cmds]
Description:	Enables/disables echo mode
Command	Function
S13=0	Echo mode disabled
í S13=1	Echo mode enabled

EXTENDED RESULT CODES
Type:	Register
Format:	AT [cmds] S56=n [cmds]
Description:	Determines extended result code sending options. Further information is unavailable

FACTORY PROFILE
Type:	Register
Format:	AT [cmds] S59=n [cmds]
Description:	Returns current setting of factory profiles. Further information is unavailable

FAE VALUE
Type:	Register
Format:	AT [cmds] S151=n [cmds]
Range:	0, 1
Description:	Selects FAE value. Further information is unavailable

FCLASS VALUE
Type:	Register
Format:	AT [cmds] S150=n [cmds]
Range:	0, 1, 8
Description:	Selects FCLASS value. Further information is unavailable

FLASH DIAL MODIFIER TIME
Type:	Register
Format	AT [cmds] S24=n [cmds]
Range:	0-255
Unit:	.01 second
Description:	Time the modem will go on-hook upon receiving the ! dial modifier in dial string.

FLOW CONTROL
Type:	Register
Format:	AT [cmds] S62=n [cmds]
Description:	Enables flow control options
Command	Function
S62=0	Flow control disabled
í S62=1	RTS to CTS flow control enabled

FLOW CONTROL CHARACTER - XOFF
Type:	Register
Format:	AT [cmds] S23=n [cmds]
Range:	0-255
Unit:	ASCII
Description:	Sets the character used to represent XOFF

INACTIVITY TIMER
Type:	Register
Format	AT [cmds] S19=n [cmds]
Range:	0-30
Unit:	1 minute
Description:	Maximum duration of DTE and DCE inactivity allowed prior to initiating hang-up process.
Note: S30=0 disables the timer and allows indefinite inactivity.

LINE MODULATION
Type:	Register
Format:	AT [cmds] S37=n [cmds]
Description:	Selects line modulation. Further information is unavailable

LINE SELECTION DURATION
Type:	Register
Format	AT [cmds] S78=n [cmds]
Range:	0, 2, 3, 6
Unit:	Unidentified
Description:	Determines the duration of line selection. Further information is unavailable

MAXIMUM SPEED
Type:	Register
Format:	AT [cmds] S34=n [cmds]
Description:	Selects maximum line speed. Further information is unavailable

MINIMUM SPEED
Type:	Register
Format:	AT [cmds] S33=n [cmds]
Description:	Selects minimum line speed. Further information is unavailable

ORIGINATE/ANSWER
Type:	Configuration
Format:	AT [cmds] S22=n [cmds]
Description:	Selects originate or answer mode
Command	Function
S22=0	Enables answer mode
S22=1	Enables originate mode

PLAYBACK VOLUME
Type:	Register
Format:	AT [cmds] S74=n [cmds]
Description:	Determines playback volume. Further information is unavailable

PULSE/TONE DIALING
Type:	Register
Format	AT [cmds] S16=n [cmds]
Description:	Selects between tone and pulse dialing. Further information is unavailable

PUMP STATUS
Type:	Register
Format:	AT [cmds] S36=n [cmds]
Description:	Displays current pump status. Further information is unavailable

QUIET MODE
Type:	Register
Format	AT [cmds] S14=n [cmds]
Description:	Enables/disables quiet mode
Command	Function
S14=0	Quiet mode disabled
í S14=1	Quiet mode enabled

RECEIVE SPEED
Type:	Register
Format:	AT [cmds] S38=n [cmds]
Description:	Selects receive speed. Further information is unavailable

RECEIVED SIGNAL LEVEL
Type:	Register
Format:	AT [cmds] S41=n [cmds]
Description:	Selects receive signal level. Further information is unavailable

REQUEST TO SEND
Type:	Register
Format:	AT [cmds] S66=n [cmds]
Description:	Selects RTS options. Further information is unavailable

REQUESTED MODULATION
Type:	Register
Format:	AT [cmds] S32=n [cmds]
Default:	34
Description:	Selects line modulation. Further information is unavailable

RESULT CODES
Type:	Register
Format:	AT [cmds] S43=n [cmds]
Description:	Determines result code sending options. Further information is unavailable

SIGNAL TO NOISE RATIO
Type:	Register
Format:	AT [cmds] S42=n [cmds]
Unit:	dBM
Description:	Determines signal to noise ratio. Further information is unavailable

SPEAKER MODE
Type:	Register
Format:	AT [cmds] S29=n [cmds]
Description:	Selects various speaker options
Command	Function
S29=0	Speaker disabled
í S29=1	Speaker enabled until carrier signal detected
S29=2	Speaker enabled
S29=3	Speaker enabled following dialing, then disabled after carrier signal detected.

SPEAKER VOLUME
Type:	Register
Format:	AT [cmds] S30=n [cmds]
Description:	Controls speaker volume
Command	Function
S30=0	Speaker disabled
í S30=1	Low volume setting
S30=2	Medium volume setting
S30=3	Highest volume setting

SPEAKERPHONE MICROPHONE
Type:	Register
Format:	AT [cmds] S90=n [cmds]
Range:	0 - 3
Description:	Controls microphione options. Further information is unavailable

SPEAKERPHONE MUTE
Type:	Register
Format:	AT [cmds] S88=n [cmds]
Range:	0 - 2
Description:	Enables mute function. Further information is unavailable

SPEAKERPHONE VOLUME
Type:	Register
Format:	AT [cmds] S89=n [cmds]
Range:	0 - 15
Description:	Controls volume. Further information is unavailable

TONE 0
Type:	Register
Format:	AT [cmds] S84=n [cmds]
Range:	0 - 3F
Description:	DTMF tone reports Cap0. Further information is unavailable

TONE 1
Type:	Register
Format:	AT [cmds] S85=n [cmds]
Range:	0 - 3F
Description:	DTMF tone reports Cap1. Further information is unavailable

TONE 2
Type:	Register
Format:	AT [cmds] S86=n [cmds]
Range:	0 - 3F
Description:	DTMF tone reports Cap2. Further information is unavailable

TRANSMISSION LEVEL - GAIN
Type:	Register
Format:	AT [cmds] S45=n [cmds]
Range:	0-10
Default:	3
Unit:	-1 dBm
Description	Sets the signal level for transmission gain

VERBOSE MODE
Type:	Register
Format	AT [cmds] S15=n [cmds]
Description:	Selects word or numeric format for information-text and result codes
Command	Function
S15=0	Numeric format enabled
í S15=1	Verbose (word) format enabled

VOICE RE-RING DETECT TIME
Type:	Configuration
Format:	AT [cmds] S79=n [cmds]
Default:	70
Range:	0-255
Unit:	.1 second
Description:	Sets the maximum time the modem will wait for the remote station to ring again before it assumes that it has gone off-hook.

VOICE RING DETECT TIME
Type:	Configuration
Format:	AT [cmds] S80=n [cmds]
Default:	100
Range:	0-255
Unit:	.1 second
Description:	Sets the maximum time the modem will wait for the remote station to ring before it assumes that it went off-hook before it rang.

VOICE SAMPLE RATE
Type:	Register
Format:	AT [cmds] S91=n [cmds]
Range:	1, 2
Description:	Selects voice sample rate. Further information is unavailable

VOICE SILENCE DETECTION
Type:	Configuration
Format:	AT [cmds] S81=n [cmds]
Description:	Selects whether the modem will use silence detection to pause recording during periods of silence.
Command	Function
í S81=0	Silence detection disabled.
S81=1	Silence detection enabled.

VOICE SILENCE DETECTION THRESHOLD
Type:	Configuration
Format:	AT [cmds] S82=n [cmds]
Description:	Sets the threshold of sensitivity that the modem uses to determine silence detection.
Command	Function
í S82=0	Silence detection disabled.
S82=1	Minimum silence detection sensitivity.
S82=2	Standard silence detection sensitivity.
S82=3	Maximum silence detection sensitivity.

VOICE SILENCE DETECTION TIME
Type:	Configuration
Format:	AT [cmds] S83=n [cmds]
Default:	Unidentified
Range:	0 - 255
Unit:	.1 second
Description:	Sets the minimum amount of silence that the modem will detect.

VOICE TIMING MARK
Type:	Register
Format:	AT [cmds] S87=n [cmds]
Range:	0 - 255
Unit:	.1ms
Description:	Configures timing mark placement. Further information is unavailable

MISCELLANEOUS TECHNICAL NOTES

S Registers 170 - 174 are for debug purposes. S registers 197 - 199 are for diagnostic use only