Card Type	Modem
Chipset	Unidentified
I/O Options	Line in, line out, audio card connector, wake-up ring connector microphone in, speaker out
Maximum Modem Rate	56.0Kbps
Maximum Fax Rate	14.4Kbps
Modem Modulation Protocol	Bell 103/212A ITU-T V.22bis,V.32, V.32bis, V.34, K56flex
Fax Modulation Protocol	ITU-T V.17, V21 CH2, V27ter, V.29
Fax Class	Class I
Error Correction/Compression	MNP5, V.42, V.42bis
Data Bus	16-bit ISA

CONNECTIONS
Function	Label	Function	Label
Line in (RJ-11)	CN1	Microphone in	CN4
Line out (RJ-11)	CN2	Wake-up ring connector	CN5
Speaker out	CN3	Audio card connector	CN6

SUPPORTED COMMAND SET

Basic AT Commands

AT, A/

A, B, E, H, M, O, P, Q, X, Y, Z

&C, &F, &M, &P, &Q, &R, &T, &V, &W, &Y

Extended AT Commands

\K, \N, \V

%E, %L, %Q

S Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S24, S25, S29

S30, S31, S32, S33, S38, S91, S92, S95

Special Commands

+MS

Voice Commands

#CLS, #MDL?, #MFL, #REV?, #VBQ, #VBT, #VCI? #VRA, #VRN, #VRX, #VSD

Note: See MHI Help File for full command documentation.

AUTO-MODE DETECTION
Type:		Configuration
	Format:	AT [cmds] N n [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 S37 register
»	N1	Auto-mode detection enabled. Handshake conducted according to the automode algorithm supported by the modem

DATA SET READY (DSR)
Type:	Configuration
Format:	AT [cmds] &S n [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] &D n [cmds]
Description:	Selects modem response to DTR
Note: The action each variant of &D causes depends on the setting of &Q
&Q Setting	&D0	&D1	&D2	&D3
&Q0, &Q5, &Q6	Command 0	Command 1	Command 2	Command 4
&Q1, &Q4	Command 2	Command 1	Command 2	Command 4
&Q2, &3	Command 2	Command 2	Command 2	Command 2
Command	Function
Command 0	Modem does not respond to DTR
Command 1	Modem goes to command mode after DTR goes is off
Command 2	Modem goes to command mode and disconnects (hangs up) after DTR goes off; Auto-Answer is disabled.
Command 3	Modem is initialized after DTR goes off

FLOW CONTROL
Type:	Configuration
Format:	AT [cmds] &K n [cmds]
Description:	Enables flow control options
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
&K6	Both RTS/CTS & XON/XOFF flow control enabled

GUARD TONE
Type:		Configuration
	Format:	AT [cmds] &G n [cmds]
	Description:	Commands the modem to transmit a guard tone in V.22/V.22bis
	Command	Function
»	&G0	Guard tone disabled
	&G1	Guard tone disabled
	&G2	1800Hz guard tone enabled

REPORT INFORMATION
Type:	Immediate
Format:	AT [cmds] I n [cmds]
Description:	Displays information requested
Command	Function
I0	Reports product ID code
I1	Reports ROM checksum
I2	Reports "OK"
I3	Reports firmware revision, model, and interface type
I4	Reports OEM identifier string in either binary or ASCII format
I5	Reports country code
I6	Reports data pump model and internal code

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

STORE TELEPHONE NUMBER
Type:	Configuration
Format:	AT [cmds] &Z n =(phone # & modifiers)
Description:	Writes selected telephone numbers into the non-volatile memory at location n
Note: The characters described in the D command are valid for use in the &Z command; telephone numbers and modifiers can include up to 34 characters.
Command	Function
&Z0	Telephone number stored in memory location 0
&Z1	Telephone number stored in memory location 1
&Z2	Telephone number stored in memory location 2
&Z3	Telephone number stored in memory location 3

DATA/DSVD MODE
Type:		Configuration
	Format:	AT [cmds] -SMS= n [cmds]
	Description:	Selects data or DSVD mode
	Command	Function
»	-SMS=0	Data mode
	-SMS=2	DSVD mode
	-SMS=3	Automatic mode selection

VOICE DEVICE
Type:		Configuration
	Format:	AT [cmds] #VLS= n [cmds]
	Description:	Selects the I/O device for the DSP chip.
	Command	Function
»	#VLS=0	Headset used for voice I/O.
	#VLS=6	Speakerphone used for voice I/O.

AUTOSYNC HDLC ADDRESS OR BSC SYNC CHARACTER
Type:	Register
Format	AT [cmds] S20= n [cmds]
Default:	0
Range:	0-255
Unit:	ASCII
Description:	Selects the autosync HDLC address or BSC character

BIT-MAPPED REGISTER S19
Format	AT [cmds] S19= n [cmds]
Range:	Unidentified
Unit:	Bit-mapped
Description:	Selects BSC/HDLC format, adress detection, line coding, and idle indicatior
Bit	Value	Function
0	0	Not used
1	0 1	BSC HDLC
2	0 1	Adress detection enabled Adress detection disabled
3	0 1	NRZI coding NZI coding
4	0 1	Mark idle Flag or sync idle

BIT-MAPPED REGISTER S22
Format	AT [cmds] S22= n [cmds]
Range:	0-255
Unit:	Bit-mapped
Description:	Controls speaker volume and controls, limits results codes, and pulse dial make/break ratio.
Bit	Value	Function
1, 0	00 01 10 11	Off volume Low level volume Medium level volume High level volume
3, 2	00 01 10 11	Speaker off Speaker off on carrier Speaker always on Speaker on during handshake
6 - 4	000 100 101 110 111	Basic result codes only enabled Basic and connection speed result codes enabled Basic and connection speed result codes and dialtone detection enabled All result codes except dialtone detection enabled All result codes enabled

BIT-MAPPED REGISTER S23
Format		AT [cmds] S23= n [cmds]
	Range:	0-189
	Unit:	Bit-mapped
	Description:	Grants/denies remote digital loopback, controls DTE rate and parity, and sets guard tone.
	Bit	Value	Function
	0	0 1	Remote digital loopback denied Remote digital loopback allowed
	3 - 1	000 001 010 011 100 101 110 111	Sets serial port speed to 0-300bps Sets serial port speed to 600bps Sets serial port speed to 1200bps Sets serial port speed to 2400bps Sets serial port speed to 4800bps Sets serial port speed to 9600bps Sets serial port speed to 19.2Kbps Sets serial port speed to 38.4Kbps or higher
	5, 4	00 01 10 11	Parity even Space Parity Parity odd Mark or No Parity
	7, 6	00 01 10	Guard tone disabled Guard tone 550Hz enabled Guard tone 1800Hz enabled

BIT-MAPPED REGISTER S27
Format	AT [cmds] S27= n [cmds]
Range:	0-111
Unit:	Bit-mapped
Description:	Selects synchronous/asynchronous mode, line type, clock source, and ITU-T/Bell modes.
Bit	Value	Function
6	0 1	ITU/T mode Bell mode

BIT-MAPPED REGISTER S40
Format	AT [cmds] S40= n [cmds]
Range:	0-255
Unit:	Bit-mapped
Description:	Controls power level and break handling; selects MNP extended services, link negotiation, and block size.
Bit	Value	Function
0, 1	00 01 11	MNP Extended Services disabled MNP Extended Services enabled MNP extended services enabled without indicating MNP on the answer detection phase.
2	0 1	Power level adjustment enabled Power level adjustment disabled
5, 3	000 001 010 011 100 101	AT\K0 AT\K1 AT\K2 AT\K3 AT\K4 AT\K5
7, 6	00 01 10 11	MNP block size is 64 characters MNP block size is 128 characters MNP block size is 192 characters MNP block size is 256 characters

BIT-MAPPED REGISTER S41
Format	AT [cmds] S41= n [cmds]
Range:	0-31
Unit:	Bit-mapped
Description:	Selects compression, auto-retrain, flow control, and MNP mode.
Bit	Value	Function
1 - 0	00 01 10 11	Data compression disabled MNP5 enabled V.42bis enabled MNP5 and V.42bis enabled
2	00 01 10	Auto-retrain disabled Auto-retrain enabled Auto-fallback/fall-forward enabled
3	0 1	Flow control disabled Flow control enabled
4	0 1	Stream mode for MNP Block mode for MNP
6, 5	0	Not used
7	0 1	Fallback to V.22/V.22bis disabled Fallback to V.22/V.22bis enabled

BIT-MAPPED REGISTER S201
Format	AT [cmds] S41= n [cmds]
Range:	Unidentified
Unit:	Bit-mapped
Description:	Controls cellular transmit level
Bit	Value	Function
4 - 0	00 01	Initial cellular power lever setting disabled Initial cellular power lever setting enabled
5	00 01	Compromise equalizer disabled Compromise equalizer enabled
6, 7	0	Not used

BREAK OPTIONS
Type:	Register
Format	AT [cmds] S82= n [cmds]
Description:	For compatibility purposes only. Performs no function

CONNECTION FAILURE CODES
Type:	Register
Format	AT [cmds] S86? [cmds]
Description:	Reports codes which correspond to the possible causes of a connection failure
Value	Meaning
0	Normal hang up
4	Carrier signal lost
5	No error-control detected for remote modem during feature negotiation
9	No common protocol found
12	No failure - remote modem disconnected normally
13	Remote modem failed to respond after 10 re-transmissions same message
14	Violation of negotiated protocol caused failure

DCE LINE SPEED
Type:	Register
Format	AT [cmds] S37= n [cmds]
Description:	Sets the maximum allowable data exchange rate attempted during handshake process.
Command	Function
S37=0	Speed of last connection
S37=1	300bps
S37=2	300bps
S37=3	300bps
S37=5	V.22 at 1200bps
S37=6	V.22bis at 2400bps
S37=7	V.23
S37=8	V.32 or V.32bis at 4800bps
S37=9	V.32 or V.32bis at 9600bps
S37=10	V.32bis at 12.0Kbps
S37=11	V.32bis at 14.4Kbps
S37=12	V.32bis at 7200bps
S37=15	VFC at 14.4Kbps
S37=16	VFC at 16.8Kbps
S37=17	VFC at 19.2Kbps
S37=18	VFC at 21.6Kbps
S37=19	VFC at 24.0Kbps
S37=20	VFC at 24.6Kbps
S37=21	VFC at 28.8Kbps

ERROR CORRECTION/COMPRESSION
Type:	Register
Format:	AT [cmds] S46= n [cmds]
Description:	Selects active error correction and compression protocols
Command	Function
S46=136	LAP-M only, no compression
S46=138	LAP-M with V.42bis data compression

ERROR CORRECTION NEGOTIATION
Type:	Register
Format	AT [cmds] S36= n [cmds]
Description:	Selects the action of the modem if it fails to connect with the error-correction protocol set in &Q.
Command	Function
S36=0	Hang up
S36=1	Attempt a direct connection
S36=3	Attempt a buffered connection
S36=4	Attempt a connection at MNP2-4; if that fails, hang up.
S36=5	Attempt a connection at MNP2-4; if that fails, attempt a direct connection.
S36=7	Attempt a connection at MNP2-4; if that fails, attempt a buffered connection.

FEATURE NEGOTIATION OPTIONS
Type:	Register
Format:	AT [cmds] S48= n [cmds]
Description:	Selects active error correction and compression protocols
Command	Function
S48=0	Detection negotiation disabled, XID negotiation disabled
S48=7	Detection negotiation and XID negotiation enabled
S48=128	Fall-back to options set in S36

FLOW CONTROL
Type:	Register
Format	AT [cmds] S39? [cmds]
Description:	Displays the current flow control
Value	Meaning
0	Flow control disabled
3	RTS/CTS flow control enabled
4	XON/XOFF flow control enabled
5	Transparent XON/XOFF flow control enabled
6	Both RTS/CTS & XON/XOFF flow control enabled