Card Type	Modem (asynchronous)
Chip Set	Unidentified
Maximum Data Rate	9600bps
Maximum Fax Rate	Unidentified
Data Bus	8-bit ISA
Fax Class	Class I & II
Data Modulation Protocol	Bell 103/212A ITU-T V.21, V.22, V.22bis, V.32
Fax Modulation Protocol	Unidentified
Error Correction/Compression	MNP5, V.42, V.42bis

CONNECTIONS
Function	Label		Function		Label
Line out/in		CN1		Line in/out		CN2

SERIAL PORT ADDRESS
Setting	SW1/1	SW1/2
COM1 (3F8h)	Off	Off
COM2 (2F8h)	Off	On
COM3 (3E8h)	On	Off
COM4 (2E8h)	On	On

INTERRUPT SELECTION
Setting	SW1/3	SW1/4
2	On	On
3	Off	On
4	Off	Off
5	On	Off

SUPPORTED COMMAND SET

Basic AT Commands

AT, ‘Comma’, A/

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

&C, &D, &F, &G, &K, &L, &M, &P, &Q, &R, &S, &T, &U, &V, &W, &Y, &Z

Extended AT Commands

\A, \B, \C, \G, \J, \O, \U, \V, \X, \Y, \Z

%A, %E, %G

S Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S22, S25

S26, S27, S30, S37, S95, S108, S109, S110

Special Commands

"H, "O, -C, -J, -V

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

BIT-MAPPED REGISTER S23
Format		AT [cmds] S23=n [cmds]
Default:		15
Range:		0-191
Unit:		Bit-mapped
Description:		Grants/denies remote digital loopback, controls DTE rate and parity, and sets guard tone.
Bit	Value	Function
0	0 í 1	Remote digital loopback denied Remote digital loopback allowed
3 - 1	000 001 010 011 100 101 110 í 111	Sets serial port speed to 0-300bps Sets serial port speed to 1200bps Sets serial port speed to 2400bps Sets serial port speed to 4800bps Sets serial port speed to 7200bps Sets serial port speed to 9600bps or 14400bps Sets serial port speed to 19200bps Sets serial port speed to 38400bps or 57600bps
5, 4	í 00 01 10 11	Parity even Space or No parity Parity odd Mark Parity
7, 6	í 00 01 10	Guard tone disabled Guard tone 550Hz enabled Guard tone 1800Hz enabled

BREAK TYPE
Type:		Configuration
Format:		AT [cmds] \Kn [cmds]
Description:		Configures action of break signal
Command	Break from DTE in RELIABLE or NORMAL mode		Modem receives \B during command state	Break from DTE in DIRECT mode	Break received from remote modem
\K0	Online command mode enabled, send no break to remote modem		Break sent to remote modem and buffers cleared	Online command mode enabled, send break to remote modem	Buffers cleared, break sent to DTE
\K1	Break sent to remote modem and buffers cleared		Break sent to remote modem and buffers cleared	Send break to remote modem immediately	Buffers cleared, break sent to DTE
\K2	Online command mode enabled, send no break to remote modem		Send break to remote modem immediately	Online command mode enabled, send break to remote modem	Break sent immediately to DTE
\K3	Send break to remote modem immediately		Send break to remote modem immediately	Send break to remote modem immediately	Break sent immediately to DTE
\K4	Online command mode enabled, send no break to remote modem		Send break with transmitted data	Online command mode enabled, send break to remote modem	Break sent with received data to the DTE
í \K5	Send break with transmitted data		Send break with transmitted data	Send break to remote modem immediately	Break sent with received data to the DTE

COMPRESSION
Type:	Configuration
Format:	AT [cmds] %Cn [cmds]
Description:	Selects data compression
Command	Function
%C0	MNP5 disabled
í %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	MNP reliable mode enabled
í \N3	V.42 auto-reliable mode enabled
\N4	V.42 reliable mode enabled
\N5	LAPM/Normal mode 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
P	Pulse dialing enabled
R	Answer mode enabled, originate mode disabled following handshake initiation
S=n	Dial stored telephone number n=0-3
T	Tone dialing enabled
W	Dialing resumed following dial tone detection
,	Dialing paused for amount of time specified in S8 register
!	Modem commanded to go off-hook for specified time before returning on-hook
@	Wait for quiet answer
;	Modem returned to command state after dialing

DTE CONNECT SPEED
Type:	Configuration
Format:	AT [cmds] S112=n [cmds]
Description:	Select the DTE speed during data transfer
Command		Function
í S112=0		Last AT speed
S112=1		Not used
S112=2		Sets DTE speed to 300bps
S112=3		Sets DTE speed to 1200bps
S112=4		Sets DTE speed to 2400bps
S112=5		Sets DTE speed to 4800bps
S112=6		Sets DTE speed to 7200bps
S112=7		Sets DTE speed to 9600bps
S112=8		Sets DTE speed to 12000bps
S112=9		Sets DTE speed to 14400bps
S112=10		Sets DTE speed to 16800bps
S112=11		Sets DTE speed to 19200bps
S112=12		Sets DTE speed to 38400bps
S112=13		Sets DTE speed to 57600bps
S112=14		Sets DTE speed to 600bps

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	Bi-directional XON/XOFF flow control enabled
\Q2	Unidirectional hardware flow control enabled
í \Q3	Bi-directional hardware flow control enabled (RTS/CTS)

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 product code
I1	Reports ROM checksum
I2	Tests and reports ROM checksum
I3	Reports ROM components
I4	Reports modem capabilities