Card Type	Modem/Fax card
Chip Set	Unidentified
I/O Options	Line out, phone in, microphone in, speaker out
Maximum Modem Rate	33.6Kbps
Maximum Fax Rate	14.4Kbps
Data Modulation Protocol	Bell 103A/212A ITU-T V34, V.32bis, V.32, V.22bis, V.23, V.22, V.21, Rockwell V.FC
Fax Modulation Protocol	ITU-T V.17, V.27ter, V.29, T.4, T.30
Error Correction/Compression	MNP5, V.42, V.42bis
Fax Class	Class I & II
Data Bus	8-bit ISA
Card Size	Half-length

CONNECTIONS
Function	Label		Function		Label
Line out		CN1		Speaker out		CN3
Phone in		CN2		Microphone in		CN4

SERIAL PORT ADDRESS
Setting	S1	JP4	JP5	JP6	JP8
COM1 (3F8h)	3 & 4, 7 & 8	1 & 2	1 & 2	1 & 2	Open
COM2 (2F8h)	3 & 4, 11 & 12	1 & 2	1 & 2	1 & 2	Open
COM3 (3E8h)	1 & 2, 7 & 8	1 & 2	1 & 2	1 & 2	Open
COM4 (2E8h)	1 & 2 11 & 12	1 & 2	1 & 2	1 & 2	Open
Plug and play enabled	N/A	2 & 3	2 & 3	2 & 3	Closed
Note: Pins designated are in the closed position.

IRQ INTERRUPT
Setting	S1
IRQ3	Pins 9 & 10 closed
IRQ4	Pins 5 & 6 closed
IRQ5	Pins 13 & 14 closed
IRQ7	Pins 15 & 16 closed

SUPPORTED COMMAND SET

Basic AT Commands

AT, ‘+++’, A/

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

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

Extended AT Commands

\A, \B, \G

%C, %L, %Q

S Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S24, S25, S27

S29, S30, S31, S32, S33, S38, S40, S91, S92, S95

Special Commands

+MS

Note: See MHI Help File for full command documentation.

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
í 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.
D^	Toggles calling tone enable/disable: Applicable to current dialing attempt only
DJ	Perform MNP 10 link negotiation at 1200bps
DK	Enable power level adjustment during MNP 10 link negotiation

REPORT INFORMATION
Type:	Immediate
Format:	AT [cmds] In [cmds]
Description:	Displays information requested
Command	Function
I0	Reports four digit product code
I1	Reports ROM checksum
I2	Reports "ERROR"
I3	Reports firmware revision
I4	Reports OEM defined identifier string
I5	Reports country code parameter
I6	Reports modem data pump model and internal code revision
I7	Reports the DAA code

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

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
í N1	Auto-mode detection enabled

NEGOTIATION PROGRESS
Type:	Configuration
Format:	AT [cmds] Wn [cmds]
Description:	Reports error correction call progress
Command	Function
W0	Error correction call progress reported.
W1	Error correction call progress not reported.
W2	Error correction call progress not reported. Enables CONNECT result codes to report DCE speed.

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,		NONE	Command 2	Command 3	Command 4
&Q1, &Q4		Command 1	Command 2	Command 3	Command 4
&Q2, &Q3		Command 3	Command 3	Command 3	Command 3
Command	Function
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
Command 4	Modem performs a warm start.

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
í &F0	Sets values to factory configuration 0
&F1	Sets values to factory configuration 1

GUARD TONE
Type:	Configuration
Format:	AT [cmds] &Gn [cmds]
Description:	Commands the modem to transmit a guard tone in V.22/V.22bis
Note: Used primarily for international data transmission
Command	Function
í &G0, &G1	Guard tone disabled
&G2	1800Hz guard tone enabled

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	Hardware and software flow control enabled

COMMUNICATIONS MODE
Type:	Configuration
Format:	AT [cmds] &Qn [cmds]
Description:	Selects communications mode options
Command	Mode
&Q0	Asynchronous mode, serial port speed follows connect speed.
&Q1	Asynchronous off-line command mode and synchronous connect mode.
&Q2	Asynchronous off-line command mode - modem autodials first number in directory, then synchronous connect mode.
&Q3	Asynchronous off-line command mode on low DTR, synchronous connect mode on high DTR.
&Q5	Error correction mode
&Q6	Buffered asynchronous mode

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

BREAK TYPE
Type:		Configuration
Format:		AT [cmds] \Kn [cmds]
Description:		Configures action of break signal
Command	Break from DTE during normal or MNP mode		Break from DTE during direct mode	Break received from remote modem
\K0	Online command mode enabled, send no break to remote modem		Send break to remote modem	Buffers cleared, break sent to DTE
\K1	Break sent to remote modem and buffered cleared		Send break to remote modem	Buffers cleared, break sent to DTE
\K2	Online command mode enabled, send no break to remote modem		Send break to remote modem	Break sent immediately to DTE
\K3	Send break to remote modem immediately		Send break to remote modem	Break sent immediately to DTE
\K4	Online command mode enabled, send no break to remote modem		Send break to remote modem	Break sent with received data to the DTE
\K5	Send break with transmitted data		Send break to remote modem	Break sent with received data to the DTE

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 mode enabled
\N3	Auto-reliable mode enabled
\N4	LAPM reliable mode enabled
\N5	MNP reliable mode enabled

AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD
Type:	Configuration
Format:	AT [cmds] %En [cmds]
Description:	Controls auto-retrain mode and fallback/fall-forward
Command	Function
í %E0	Auto-retrain disabled
%E1	Auto-retrain enabled
%E2	Auto-fallback/fall-forward enabled
%E3	Auto-fallback/fall-forward enabled. Fast hang-up.

BIT-MAPPED REGISTER S19
Format:		AT [cmds] S19=n [cmds]
Unit:		Bit-mapped
Description:		Defines the options for AutoSync operations. S19 must be set to desired value before &Q4 is issued
Bit	Value	Function
0	0	Reserved
1	í 0 1	Enable BCS Enable HDLC
2	í 0 1	Disable address detection Enable address detection
3	í 0 1	NRZI coding select NZI coding select
4	í 0 1	Mark idle Flag or sync idle
5-7	0	Reserved

HDLC ADDRESS/BSC SYNC CHARACTER
Type:	Register
Format	AT [cmds] S20=n [cmds]
Default:	0
Range:	0-255
Description:	Defines the HDLC address or BSC sync character for AutoSync operation. S20 must be set to desired value before &Q4 is issued.

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 í 01 10 11	Low volume Low level volume Medium level volume High level volume
3, 2	00 í 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
7	0	Reserved

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 í 1	Remote digital loopback denied Remote digital loopback allowed
3 - 1	000 001 010 í 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 19200bps Sets serial port speed to 38400bps or higher
5, 4	00 01 10 í 11	Parity even Not used Parity odd Mark or No Parity
7, 6	í 00 01 10	Guard tone disabled Guard tone disabled Guard tone 1800Hz enabled

BIT-MAPPED REGISTER S28
Format		AT [cmds] S28=n [cmds]
Range:		0-31
Unit:		Bit-mapped
Description:		Controls V.23 split speed, transmit/receive speed, half duplex; and pulse dialing.
Bit	Value	Function
0-2	0	Reserved
4, 3	í 00 01 10 11	39ms make/61ms break at 10pps 33ms make/67ms break at 10pps 39ms make/61ms break at 20pps 33ms make/67ms break at 20pps
5	0	Reserved
6-7	í 0 01 10	Link will be negotiated at highest possible speed Link will be negotiated at 1200bps Link will be negotiated at 4800bps

BIT-MAPPED REGISTER S36
Format		AT [cmds] S36=n [cmds]
Unit:		Bit-mapped
Description:		This register is read when S48 contains the value 128 or if an attempted link correction fails.
Bit	Value	Function
0-2	000 001 010 011 100 101 110 í 111	Modem disconnect Modem stays on-line and direct mode connection is established Not used Modem stays online and a normal mode connection is established An MNP connection is attempted. If it fails, the modem disconnects An MNP connection is attempted. If it fails, a direct mode connection is established Reserved An MNP connection is attempted. If it fails, a normal mode connection is established

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=4	Reserved
S37=5	V.22 at 1200bps
S37=6	V.22bis 2400bps
S37=7	V.23
S37=8	V.32/V.32bis at 4800bps
S37=9	V.32/V.32bis at 9600bps
S37=10	V.32bis at 12.0Kbps
S37=11	V.32bis at 14.4Kbps
S37=12	V.32bis at 7200bps

BIT-MAPPED REGISTER S39
Format		AT [cmds] S39=n [cmds]
Unit:		Bit-mapped
Description:		Displays the current flow control
Bit	Value	Function
0-2	000 í 011 100 101 110	Flow control disabled RTS to CTS flow control disabled XON/XOFF flow control enabled Transparent XON/XOFF flow control enabled UnidirectionalXON/XOFF flow control enabled

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	000 í 001 010	MNP Extended Services disabled MNP Extended Services enabled MNP Extended Services enabled
1	í 0 1	Auto adjustment enabled Forced adjustment disabled
5, 4, 3	000 001 010 011 100 í 101	AT\K0 AT\K1 AT\K2 AT\K3 AT\K4 AT\K5
7, 6	00 í 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 í 11	Data compression disabled MNP5 enabled V.42bis enabled MNP5 and V.42bis enabled
6,2	í 00 01 10	Auto-retrain disabled Auto-retrain enabled Fallback/fall forward enabled
3	í 0 1	Flow control disabled Flow control enabled
4	í 0 1	Stream mode for MNP Block mode for MNP
5	0	Reserved
7	0 í 1	Fallback to V.22bis/V22 disabled Fallback to V.22bis/V22 enabled

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
í 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

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