Card Type	Fax, Modem (synchronous/asynchronous)
Chip Set	Unidentified
I/O Options	Speakerphone
Maximum Data Rate	14.4Kbps
Maximum Fax Rate	14.4Kbps
Data Bus	8-bit ISA
Fax Class	Class II
Data Modulation Protocol	Bell 103/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis
Fax Modulation Protocol	ITU-T V.17, V.21CH2, V.27ter, V.29, V.33
Error Correction/Compression	MNP5, V.42, V.42bis

CONNECTIONS
Function	Label		Function		Label
Line out		CN1		Microphone connection		CN4
Line in		CN2		Sound card connection		CN5
Speaker connection		CN3

SUPPORTED COMMAND SET

Basic AT Commands

AT, ‘+++’, ‘Comma’, A/

A, B, C, E, H, L, M, N, O, Q, S, V, W, X, Y, Z

&C, &D, &F, &G, &J, &K, &P, &S, &U, &V, &W, &Y, &Z

Extended AT Commands

\C, \G, \V, \X, %E

S Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S25, S26, S36

S37, S38, S46, S48

Note: Please see MHI Help file for full command documentation.

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 buffers 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
í \K5	Send break with transmitted data

COMMUNICATIONS MODE
Type:	Configuration
Format:	AT [cmds] &Qn [cmds]
Description:	Selects communications mode options
Command	Mode
í &Q0	Asynchronous mode, serial port speed follows connect speed.
&Q5	Error correction mode, to disable error correction use &Q0, &Q3 or &Q6, or modify S36, S46, or S48
&Q6	Buffered asynchronous mode

COMPRESSION
Type:	Configuration
Format:	AT [cmds] %Cn [cmds]
Description:	Selects data compression
Command	Function
%C0	MNP5 disabled
%C1	MNP5 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 MNP mode enabled
\N3	Auto-reliable mode enabled
\N4	LAPM reliable mode enabled
\N5	Auto-reliable LAPM and buffer mode enabled
\N6	Auto-reliable LAPM and buffer mode plus MNP enabled

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.
Modifier	Function
L	Re-dial last number
P	Pulse dialing enabled
S=n	Dial stored telephone number n=0-3
T	Tone dialing enabled
W	Dialing resumed following dial tone detection for amount of time specified in S7 register
,	Dialing paused for amount of time specified in S8 register
@	Wait for quiet answer for amount of time specified in S7 register
!	Modem commanded to go off-hook for .5 second before returning on-hook
;	Modem returned to command state after dialing

DICTIONARY SIZE
Type:	Configuration
Format:	AT [cmds] %Dn [cmds]
Description:	Controls dictionary size
Command	Function
%D0	Select 1/2Kbytes
%D1	Select 1Kbytes
%D2	Select 2Kbytes

ERROR CONTROL BUFFER SIZE - MAXIMUM
Type:	Register
Format:	AT [cmds] S50=n [cmds]
Default:	200
Range:	0-255
Unit:	1 Character
Description:	Sets the maximum buffer size for error control

ERROR CONTROL BUFFER SIZE - MINIMUM
Type:	Register
Format:	AT [cmds] S49=n [cmds]
Default:	10
Range:	0-255
Unit:	1 Character
Description:	Sets the minimum buffer size for error control

FLOW CONTROL TYPE
Type:	Configuration
Format:	AT [cmds] \Qn [cmds]
Description:	Sets type of flow control used by modem
Command	Function
\Q0	Flow control disabled
\Q1	XON/XOFF; software flow control; RTS/CTS bi-directional enabled
\Q2	Unidirectional CTS interface signal enabled
\Q3	Bi-directional RTS/CTS flow control enabled
\Q4	Unidirectional XON/XOFF flow control by DCE enabled

INACTIVITY TIMER
Type:	Configuration
Format:	AT [cmds] \Tn [cmds]
Default:	0
Range:	0-90
Unit:	1 minute
Description:	Sets the length of time that the modem does not receive information before it disconnects.

REPORT INFORMATION
Type:	Immediate
Format:	AT [cmds] In [cmds]
Description:	Displays information requested
Command	Function
I0	Reports 3-digit product code
I1	Reports checksum
I2	Return ‘OK’ response
I	Reports firmware version information
I4	Reports configuration settings