Card Type	Modem
Chip Set	Unidentified
I/O Options	Line out, line in, microphone in, speaker out
Maximum Modem Rate	56Kbps
Maximum Fax Rate	14.4Kbps
Data Modulation Protocol	Bell 103/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34, V.34+, K56flex
Fax Modulation Protocol	ITU-T V.17, V.21 CH2, V.27ter, V.29
Error Correction/Compression	MNP5, V.42, V.42bis
Fax Class	Unidentified
Data Bus	8-bit ISA

CONNECTIONS
Function	Label		Function		Label
Line out (RJ-11)		CN1		Microphone in		CN3
Line in (RJ-11)		CN2		Speaker out		CN4

SERIAL PORT ADDRESS
Setting	J1	J2	J3	J4
í COM1 (3F8h)	Closed	Closed	Open	Open
COM2 (2F8h)	Closed	Open	Open	Closed
COM3 (3E8h)	Open	Closed	Closed	Open
COM4 (2E8h)	Open	Open	Closed	Closed

INTERRUPT SELECTION
IRQ	J5	J6	J7	J8
2	Closed	Open	Open	Open
3	Open	Closed	Open	Open
í 4	Open	Open	Closed	Open
5	Open	Open	Open	Closed

SUPPORTED COMMAND SET

Basic AT Commands

AT, ‘+++’, A/

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

&C, &P, &Q, &R, &T, &V, &W, &Y, &Z

Extended AT Commands

%C, %E, %L, %Q

\A, \B, \K, \N, \V

Special Commands

-K

S Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9,S10, S11, S12, S14, S16, S18, S21, S22, S23, S24, S25

S26, S27, S28, S29, S30, S31, S32, S33, S37, S39, S41, S91, S92

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 S37 register. If S37=0 handshake follows interface speed
N1	Auto-mode detection enabled. Handshake begins at line speed designated by the S37 register. If S37=0 handshake at highest possible speed with fallback to lower speed if necessary

COMMUNICATIONS MODE
Type:	Configuration
Format:	AT [cmds] &Mn [cmds]
Description:	Selects communications mode
Command	Mode
&M0	Asynchronous mode

DATA SET READY (DSR)
Type:	Configuration
Format:	AT [cmds] &Sn [cmds]
Description:	Selects DSR options
Command	Function
&S0	DSR forced high
&S1	DSR acts per V.25

DATA TERMINAL READY (DTR)
Type:	Configuration
Format:	AT [cmds] &Dn [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

DIAL
Type:	Immediate
Format:	AT [cmds] D<#> [cmds]
Description:	Dials telephone number according to any modifiers included in the string

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

FLOW CONTROL
Type:	Configuration
Format:	AT [cmds] &Kn [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	Unidirectional XON/XOFF flow control enabled

GUARD TONE
Type:	Configuration
Format:	AT [cmds] &Gn [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

JACK TYPE
Type:	Configuration
Format:	AT [cmds] &Jn [cmds]
Description:	For purposes compatibility only. Performs no function

LINE TYPE
Type:	Configuration
Format:	AT [cmds] &Ln [cmds]
Description:	Selects line type
Command	Line Type
&L0	Switched line (PSTN/Dial-up)

REPORT INFORMATION
Type:	Immediate
Format:	AT [cmds] In [cmds]
Description:	Displays information requested
Command	Function
I0	Reports product ID code
I1	Reports ROM checksum
I2	Tests and reports ROM checksum
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] Ln [cmds]
Description:	Controls speaker volume
Command	Function
L0	Low volume setting
L1	Low volume setting
L2	Medium volume setting
L3	Highest volume setting

TRANSMIT CARRIER
Type:	Configuration
Format:	AT [cmds] Cn [cmds]
Description:	Command non-functional; for compatibility only.
Command	Function
C1	Returns OK

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

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

BREAK OPTIONS
Type:		Register
Format		AT [cmds] S82=n [cmds]
Description:		Sets the method for break transmission during error-control and ASB connections.
Command	Function
S82=3	Expedited signaling, immediately send timed break
S82=7	Destructive signaling, buffers cleared, immediately send timed break
S82=128	In-sequence signaling, timed break sent in sequence with transmitted data