Card Type	Modem/Fax card
Chip Set	Texas Instruments
I/O Options	Line out, phone in
Maximum Modem Rate	33.6Kbps
Maximum Fax Rate	14.4Kbps
Data Modulation Protocol	Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.32, V.32bis, V.34, V.34bis
Fax Modulation Protocol	ITU-T V.17, V.21CH2, V.27ter, V.29
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		CN2		Phone in		CN3

SERIAL PORT ADDRESS
Setting	J3/A	J3/B	J3/C
COM1 (3F8h)	Closed	Closed	Closed
COM2 (2F8h)	Open	Closed	Closed
COM3 (3E8h)	Closed	Open	Closed
COM4 (2E8h)	Open	Open	Closed
Disabled	Open	Open	Open

INTERRUPT
Setting	J4/A	J4/B	J4/C	J4/D	J4/E
IRQ2	On	Off	Off	Off	Off
IRQ3	Off	On	Off	Off	Off
IRQ4	Off	Off	On	Off	Off
IRQ5	Off	Off	Off	On	Off
IRQ7	Off	Off	Off	Off	On

SUPPORTED COMMAND SET

Basic AT Commands

AT, ‘+++’, ‘comma’, A/

A, B, E, F, H, M, O, S, V

&C, &D, &G, &T, &W, &Z

S Registers

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

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
DR	Answer mode enabled; originate mode disabled following handshake initiation.
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/	Delays for 125 msec. before proceeding with dial
D#,D*	Extended touch tone pad tones
D$	Displays a list of dial commands

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 results of RAM self test
I3	Reports product type
I4	Reports current modem settings
I5	Reports NVRAM settings
I6	Reports link diagnostics
I7	Reports product configuration
I9	Reports plug and play information
I11	Reports call statistics

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

RESULT CODES
Type:	Configuration
Format:	AT [cmds] Qn [cmds]
Description:	Enables modem to send result codes to the DTE
Command	Function
Q0	Result code sending enabled
Q1	Result code sending disabled
Q2	Displays result codes in originate mode
Q3	Displays result codes only in ring mode

SELECT CALL PROGRESS RESULT CODES
Type:	Configuration
Format:	AT [cmds] Xn [cmds]
Description:	Enables selection of tone detection and associated result code format options
Command	Function
X0	Busy and dial tone detection disabled; result codes 0 - 4 enabled.
X1	Busy and dial tone detection disabled; result codes 0 - 5 & 10 - 25 enabled.
X2	Busy tone detection disabled, dial tone detection enabled; result codes 0 - 6 & 10 -155 enabled.
X3	Busy tone detection enabled, dial tone detection disabled; result codes 0 - 4, 8 - 155 enabled.
X4	Busy and dial tone detection enabled; result codes 0 -1 & 3 - 155 enabled.

RESET DEFUALT CONFIGURATION
Type:	Configuration
Format:	AT [cmds] Yn [cmds]
Description:	Tells the modem which profile to use the next time the modem is turned on or reset
Command	Function
Y0	Load profile 0
Y1	Load profile 1
Y2	Generic template
Y3	Hardware flow control
Y4	Software flow control

SOFT RESET
Type:	Immediate
Format:	AT [cmds] Zn [cmds]
Description:	Restores modem profiles previously saved in non-volatile RAM using the &W command.
Command	Function
Z0	Restore NVRAM setting selected by Y command
Z1	Restore NVRAM setting 0
Z2	Restore NVRAM setting 1
Z3	Restore factory default setting 0
Z4	Restore factory default setting 1
Z5	Restore factory default setting 2

COMMANDS
Type:	Configuration
Format:	AT [cmds] &$ [cmds]
Description:	Displays a list of ampersand commands

MODIFY RESPONSES
Type:	Configuration
Format:	AT [cmds] &An [cmds]
Description:	Determines whether the modem sends MNP responses
Command	Function
&A0	ARQ result codes disabled
&A1	Append /ARQ to word CONNECT responses when an error correction connection is made.
&A2	Append additional V.32 indicator in result codes for calls at or above 4800bps
&A3	Append protocol of call

DTE INTERFACE
Type:	Configuration
Format:	AT [cmds] &Bn [cmds]
Description:	Controls DTE interface speed
Command	Function
&B0	Change serial port speed to match rate of connection
í &B1	Serial port speed is independent of connection speed
&B2	In answer mode, serial port speed is fixed only for ARQ calls

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	Sets values to standard factory configuration
&F1	Sets values to factory configuration 0
&F2	Sets values to factory configuration 1

FLOW CONTROL
Type:	Configuration
Format:	AT [cmds] &Hn [cmds]
Description:	Enables flow control options
Command	Function
&H0	Flow control disabled
&H1	Hardware flow control enabled
&H2	Software flow control enabled
&H3	Hardware and software flow control enabled

FLOW CONTROL PASS THROUGH
Type:	Configuration
Format:	AT [cmds] &In [cmds]
Description:	Enables flow control options
Command	Function
&I0	XON/XOFF flow control disabled
&I1	Process XON/XOFF signals to your modem and remote system
&I2	Process XON/XOFF signals to your modem only

DATA COMPRESSION
Type:	Configuration
Format:	AT [cmds] &Kn [cmds]
Description:	Enables data compression
Command	Function
&K0	Data compression disabled
&K1	Data compression is enabled if the DTE data rate is higher than the link rate and the remote DCE supports either MNP5 or V.42bis
&K2	Data compression enabled
&K3	MNP5 disabled, V.42bis enabled

COMMUNICATIONS MODE
Type:	Configuration
Format:	AT [cmds] &Mn [cmds]
Description:	Selects communications mode
Command	Mode
&M0	Normal mode
&M4	V.42 auto-reliable mode
&M5	V.42 or MNP reliable mode

CONNECTION SPEED UPPER LIMIT
Type:	Configuration
Format:	AT [cmds] &Nn [cmds]
Description:	Sets required connection speed if &U is set to 0; otherwise, sets fastest allowed connection speed.
Command	Function
&N0	No maximum connect speed.
&N1	Set maximum connect speed to 300bps.
&N2	Set maximum connect speed to 1200bps.
&N3	Set maximum connect speed to 2400bps.
&N4	Set maximum connect speed to 4800bps.
&N5	Set maximum connect speed to 7200bps.
&N6	Set maximum connect speed to 9600bps.
&N7	Set maximum connect speed to 12Kbps.
&N8	Set maximum connect speed to 14.4Kbps.
&N9	Set maximum connect speed to 16.8Kbps.
&N10	Set maximum connect speed to 19.2Kbps.
&N11	Set maximum connect speed to 21.6Kbps.
&N12	Set maximum connect speed to 24Kbps.
&N13	Set maximum connect speed to 26.4Kbps.
&N14	Set maximum connect speed to 28.8Kbps.
&N15	Set maximum connect speed to 31.2Kbps.
&N16	Set maximum connect speed to 33.6Kbps.

PULSE DIALING RATIO
Type:	Configuration
Format:	AT [cmds] &Pn [cmds]
Description:	Selects pulse dial make/break ratio
Command	Function
í &P0	39/61ms at 10pps (North America)
&P1	33/67ms at 10pps (Europe)

RECEIVE DATA
Type:	Configuration
Format:	AT [cmds] &Rn [cmds]
Description:	Selects RTS options
Command	Function
&R1	RTS is ignored by modem.
í &R2	Modem sends data to DTE only if RTS is on

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

CONNECTION SPEED LOWER LIMIT
Type:	Configuration
Format:	AT [cmds] &Un [cmds]
Description:	Sets slowest allowed connection speed if &N is set to 1 or higher.
Command	Function
í &U0	No minimum connect speed.
&U1	Set minimum connect speed to 300bps.
&U2	Set minimum connect speed to 1200bps.
&U3	Set minimum connect speed to 2400bps.
&U4	Set minimum connect speed to 4800bps.
&U5	Set minimum connect speed to 7200bps.
&U6	Set minimum connect speed to 9600bps.
&U7	Set minimum connect speed to 12Kbps.
&U8	Set minimum connect speed to 14.4Kbps.
&U9	Set minimum connect speed to 16.8Kbps.
&U10	Set minimum connect speed to 19.2Kbps.
&U11	Set minimum connect speed to 21.6Kbps.
&U12	Set minimum connect speed to 24Kbps.
&U13	Set minimum connect speed to 26.4Kbps.
&U14	Set minimum connect speed to 28.8Kbps.
&U15	Set minimum connect speed to 31.2Kbps.
&U16	Set minimum connect speed to 33.6Kbps.

BREAK HANDLING
Type:	Configuration
Format:	AT [cmds] &Yn [cmds]
Description:	Sets break handling
Command	Function
&Y0	Destructive, but doesn’t sent break
&Y1	Destructive, expedited
&Y2	Nondestructive, expedited

INACTIVITY TIMER
Type:	Register
Format	AT [cmds] S19=n [cmds]
Default:	0
Unit:	1 second
Description:	Activates when there is no activity on the phone line. Modem hangs up at time-out
Note: S19=0 disables the timer and allows an indefinite duration.

MNP OR V.42 MODE DELAY
Type:	Register
Format	AT [cmds] S21=n [cmds]
Range:	Unidentified
Unit:	10ms
Description:	Sets the length of breaks sent from modem to computer.

FLOW CONTROL CHARACTER - XON
Type:	Register
Format:	AT [cmds] S22=n [cmds]
Range:	Unidentified
Unit:	ASCII
Description:	Sets the character used to represent XON

FLOW CONTROL CHARACTER - XOFF
Type:	Register
Format:	AT [cmds] S23=n [cmds]
Range:	Unidentified
Unit:	ASCII
Description:	Sets the character used to represent XOFF