Card Type	Modem
Chip Set	Unidentified
I/O Options:	Line in, line out, microphone in, speaker out
Maximum Modem Rate	56.0Kbps
Maximum Fax Rate	14.4Kbps
Data Modulation Protocol	Bell 103/212A ITU-T V.21, V.22, V.22bis, V.23, V.32bis, V.34, V.34bis, X2
Fax Modulation Protocol	ITU-T V.17, V.27ter, V.29
Error Correction/Compression	MNP5, V.42, V.42bis
Fax Class	I
Data Bus	16-bit ISA

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

SUPPORTED COMMAND SET

Basic AT Commands

AT, ‘+++’, A/

A, B, E, F, H, M, O, P, T, V

&C, &G, &T, &U

Special Commands

#CID

S Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25, S38

Note: See MHI Help File for full command documentation.

BREAK OPTIONS
Type:	Configuration
Format	AT [cmds] &Y n [cmds]
Description:	Sets the method for break transmission during error-control and ASB connections.
Command	Function
&Y0	Destructive signaling
&Y1	Destructive/expedited signaling
&Y2	In-sequence/expidated signaling
&Y2	In-sequence signaling

CONNECT MODE
Type:	Configuration
Format:	AT [cmds] &M n [cmds]
Description:	Controls the type of connection the modem will operate in
Command	Function
&M0	Normal mode enabled
&M4	Normal/MNP reliable mode enabled
&M5	MNP reliable mode enabled

CONTINUOUSLY REPEAT PREVIOUS COMMAND
Type:	Immediate
Format:	A>
Description:	Continuosly repeats previous command
Note: Do not precede this command with AT, or follow it with <CR>.

DATA COMPRESSION
Type:	Configuration
Format:	AT [cmds] &K n [cmds]
Description:	Enables data compression options
Command	Function
&K0	Data compression disabled
&K1	Automatic data compression enabled
&K2	Data compression enabled
&K3	Selective data compression enabled

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

DATA TERMINAL READY (DTR)
Type:	Configuration
Format:	AT [cmds] &D n [cmds]
Description:	Selects modem response to DTR
Command	Function
&D0	Modem does not respond to DTR
&D1	Modem goes to command mode on DTR toggle
&D2	Modem goes to command mode and disconnects (hangs up) on DTR toggle; Auto-Answer is disabled on low DTR.
&D3	Modem is initialized on DTR toggle

DCE LINE SPEED (MAXIMUM)
Type:	Configuration
Format	AT [cmds] &N n [cmds]
Description:	Sets the maximum allowable data exchange rate attempted during handshake process.
Command	Function
&N0	Highest link speed
&N1	300bps
&N2	1200bps
&N3	2400bps
&N4	4800bps
&N5	7200bps
&N6	9600bps
&N7	12.0Kbps
&N8	14.4Kbps
&N9	16.8Kbps
&N10	19.2Kbps
&N11	21.6Kbps
&N12	24.0Kbps
&N13	26.4Kbps
&N14	28.8Kbps
&N15	31.2Kbps
&N16	33.6Kbps
&N17	33.6Kbps
&N18	33.3Kbps
&N19	37.3Kbps
&N20	42.6Kbps
&N21	44.0Kbps
&N22	45.3Kbps
&N23	46.6Kbps
&N24	48.0Kbps
&N25	49.3Kbps
&N26	50.6Kbps
&N27	52.0Kbps
&N28	53.3Kbps
&N29	54.6Kbps
&N30	56.0Kbps
&N31	57.3Kbps

DCE LINE SPEED (MINIMUM)
Type:	Configuration
Format	AT [cmds] &U n [cmds]
Description:	Sets the minimum allowable data exchange rate attempted during handshake process.
Command	Function
&U0	Variable link rate
&U1	300bps
&U2	1200bps
&U3	2400bps
&U4	4800bps
&U5	7200bps
&U6	9600bps
&U7	12.0Kbps
&U8	14.4Kbps
&U9	16.8Kbps
&U10	19.2Kbps
&U11	21.6Kbps
&U12	24.0Kbps
&U13	26.4Kbps
&U14	28.8Kbps
&U15	31.2Kbps
&U16	33.6Kbps
&U17	33.6Kbps
&U18	33.3Kbps
&U19	37.3Kbps
&U20	42.6Kbps
&U21	44.0Kbps
&U22	45.3Kbps
&U23	46.6Kbps
&U24	48.0Kbps
&U25	49.3Kbps
&U26	50.6Kbps
&U27	52.0Kbps
&U28	53.3Kbps
&U29	54.6Kbps
&U30	56.0Kbps
&U31	57.3Kbps

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
DP	Pulse dialing enabled
DR	Answer mode enabled; originate mode disabled following handshake initiation.
DSn	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 5 seconds of silence 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$	HELP; dial commands

FACTORY DEFAULT PROFILE
Type:	Configuration
Format:	AT [cmds] &F [cmds]
Description:	Sets values in active profile to values found in the default profile
&F0	Load factory configuration 0; flow control disabled
&F1	Load factory configuration 1; hardware flow control enabled
&F2	Load factory configuration 2; software flow control enabled

FIXED DTE SPEED
Type:	Configuration
Format:	AT [cmds] &B n [cmds]
Description:	Selects fixed DTE speed options
Command	Function
&B1	Fixed DTE speed enabled
&B2	Fixed DTE speed in error correction mode enabled

FLOW CONTROL - RX
Type:	Configuration
Format:	AT [cmds] I n [cmds]
Description:	Enables receive flow control options
Command	Function
&I0	Flow control disabled
&I1	XON/XOFF flow control enabled
&I2	XON/XOFF filtered flow control enabled
&I3	HP enq/ack host mode enabled
&I4	HP enq/ack terminal mode enabled
&I5	XON/XOFF for non-error corrected mode enabled

FLOW CONTROL - TX
Type:	Configuration
Format:	AT [cmds] &H n [cmds]
Description:	Enables transmission flow control options
Command	Function
&H0	Flow control disabled
&H1	RTS to CTS flow control enabled
&H2	XON/XOFF flow control enabled
&H3	RTS to CTS & XON/XOFF flow control enabled

HELP - AMPERSAND COMMANDS
Type:	Immidiate
Format:	AT [cmds] &$ [cmds]
Description:	Displays ampersand command help file

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

REPORT INFORMATION
Type:	Immediate
Format:	AT [cmds] I n [cmds]
Description:	Displays information requested
Command	Function
I0	Reports product code
I1	Reports ROM checksum
I2	Tests and reports ROM checksum
I3	Reports product ID string
I4	Reports current settings
I5	Reports NVRAM settings
I6	Reports link diagnostics
I7	Reports product configuration
I9	Reports plug and play enumeration
I11	Reports link diagnostics

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

RESULT CODES
Type:	Configuration
Format:	AT [cmds] &A n [cmds]
Description:	Selects result code options
Command	Function
&A0	ARQ result codes disabled
&A1	ARQ result codes enabled
&A2	Modulation codes enabled
&A3	Extended result codes enabled

RTS
Type:	Configuration
Format:	AT [cmds] &R n [cmds]
Description:	Selects RTS options
Command	Function
&R1	RTS is ignored in command mode.
&R2	Receive to DTE/ RTS forced high

SELECT CALL PROGRESS RESULT CODES
Type:	Configuration
Format:	AT [cmds] X n [cmds]
Description:	Enables selection of tone detection and associated result code format options
Command	Function
X0	Basic result codes enabled
X1	Extended result codes enabled

SOFT RESET
Type:	Immediate
Format:	AT [cmds] Y n [cmds]
Description:	Restores modem profiles previously saved in non-volatile RAM using the &W and&F command.
Command	Function
Y0	Write the active profile to stored profile 0
Y1	Write the active profile to stored profile 1
Y2	Load factory configuration 0; flow control disabled
Y3	Load factory configuration 1; hardware flow control enabled
Y4	Load factory configuration 2; software flow control enabled

SOFT RESET
Type:	Immediate
Format:	AT [cmds] Z n [cmds]
Description:	Restores modem profiles previously saved in non-volatile RAM using the Y, &W and &F command.
Command	Function
Z0	Y setting determines reset
Z1	Write the active profile to stored profile 0
Z2	Write the active profile to stored profile 1
Z3	Load factory configuration 0; flow control disabled
Z4	Load factory configuration 1; hardware flow control enabled
Z5	Load factory configuration 2; software flow control enabled

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

BIT-MAPPED REGISTER S13
Type:	Register
Format:	AT [cmds] S13= n [cmds]
Range:	Unidentified
Unit:	Bit-mapped
Description:	Controls DTR reset, DS0, quick retrain, and escape sequence options
Bit	Value	Function
0	0 1	Reset on low DTR disabled Reset on low DTR enabled
1	0 1	Reduced non-error corrected transmit buffer disabled Reduced non-error corrected transmit buffer enabled
2	0 1	DEL=backspace disabled Set DEL=backspace
3	0 1	DS0 on DTR disabled DS0 on DTR enabled
4	0 1	DS0 on reset disabled DS0 on reset enabled
5	0	Not used
6	0 1	Quick retrain enabled Quick retrain disabled
7	0 1	Escape code hang-up disabled Escape code hang-up enabled

BIT-MAPPED REGISTER S15
Format	AT [cmds] S15= n [cmds]
Range:	Unidentified
Unit:	Bit-mapped
Description:	Selects compression, and MNP mode.
Bit	Value	Function
1 - 0	00 01	MNP/V.42 in V.22 mode enabled MNP/V.42 in V.22 mode disabled
2	00 01	MNP/V.42 in V.32 mode enabled MNP/V.42 in V.32 mode disabled
3	0 1	MNP handshake enabled MNP handshake disabled
4	0 1	MNP4 enabled MNP4 disabled
5	0 1	MNP3 enabled MNP3 disabled
6	0 1	Unusual MNP incompatibility enabled Unusual MNP incompatibility disabled
7	00 01 10 11	V.42 enabled V.42 disabled V.42 detect phase enabled V.42 detect phase disabled

BIT-MAPPED REGISTER S27
Format	AT [cmds] S27= n [cmds]
Range:	Unidentified
Unit:	Bit-mapped
Description:	Selects modulations and error correction flags
Bit	Value	Function
0	0 1	V.21 mode disabled V.21 mode enabled
1	0 1	TCM mode enabled TCM mode disabled
2	0 1	V.32 mode enabled V.32 mode disabled
3	0 1	2100Hz answer tone enabled 2100Hz answer tone disabled
4	0 1	V.23 fallback disabled V.23 fallback enabled
5	0 1	V32bis mode enabled V32bis mode disabled
6	0	Not used
7	0 1	Software compatibility mode disabled Software compatibility mode enabled

BIT-MAPPED REGISTER S32
Format:	AT [cmds] S32= n [cmds]
Range:	0-255
Description:	Select modulations and call control flags
Bit	Value	Function
0	0 1	V.8 call indicate disabled V.8 call indicate enabled
1	0 1	V.8 mode disabled V.8 mode enabled
2	0	Reserved
3	0 1	V.34 modulation enabled V.34 modulation disabled
4	0 1	V.34+ modulation enabled V.34+ modulation disabled
5	0 1	X2 modulation enabled X2 modulation disabled
6	0	Reserved
7	0	Reserved

BIT-MAPPED REGISTER S33
Format:	AT [cmds] S33= n [cmds]
Range:	0-255
Description:	Enables/disables symbol rates
Bit	Value	Function
0	0 1	2400 symbol rate enabled 2400 symbol rate disabled
1	0 1	2743 symbol rate enabled 2743 symbol rate disabled
2	0 1	2800 symbol rate enabled 2800 symbol rate disabled
3	0 1	3000 symbol rate enabled 3000 symbol rate disabled
4	0 1	3200 symbol rate enabled 3200 symbol rate disabled
5	0 1	3429 symbol rate enabled 3429 symbol rate disabled
6	0	Reserved
7	0 1	Shaping enabled Shaping disabled

BIT-MAPPED REGISTER S34
Format:	AT [cmds] S34= n [cmds]
Range:	0-255
Description:	Controls trellis coding options
Bit	Value	Function
0	0 1	8S-2D trellis encoding enabled 8S-2D trellis encoding disabled
1	0 1	16S-4D trellis encoding enabled 16S-4D trellis encoding disabled
2	0 1	32S-2D trellis encoding enabled 32S-2D trellis encoding disabled
3	0 1	64S-4D trellis encoding enabled 64S-4D trellis encoding disabled
4	0 1	Non-linear coding enabled Non-linear coding disabled
5	0 1	TX level deviation enabled TX level deviation disabled
6	0 1	Pre-emphasis enabled Pre-emphasis disabled
7	0 1	Pre-coding enabled Pre-coding disabled

BIT-MAPPED REGISTER S41
Format:	AT [cmds] S41= n [cmds]
Range:	Unidentified
Description:	Enables/disables destinctive ring
Bit	Value	Function
0	0 1	Distinctive ring disabled Distinctive ring enabled
7 - 1	0	Reserved

BREAK SEND
Type:	Configuration
Format:	AT [cmds] S21= n [cmds]
Range:	Unidentified
Unit:	.01 second
Description:	Sends break to modem

FLOW CONTROL CHARACTER - XOFF
Type:	Register
Format:	AT [cmds] S23= n [cmds]
Range:	0-255
Unit:	ASCII
Description:	Sets the character used to represent XOFF

FLOW CONTROL CHARACTER - XON
Type:	Register
Format:	AT [cmds] S22= n [cmds]
Range:	0-255
Unit:	ASCII
Description:	Sets the character used to represent XON

INACTIVITY TIMER
Type:	Register
Format	AT [cmds] S19= n [cmds]
Range:	0-255
Unit:	1 minute
Description:	Maximum duration of DTE and DCE inactivity allowed prior to initiating hang-up process.
Note: S19=0 disables the timer and allows indefinite inactivity.

TEST MODES
Type:	Register
Format:	AT [cmds] S16= n [cmds]
Range:	0-125
Unit:	Bit-mapped
Description:	Controls loopback tests, analog, digital, remote digital, and self tests.
Bit	Value	Function
0	0	Not used
1	0 1	Dial test not in progress Dial test in progress
2 - 7	0	Not Used

V.21 ANSWER MODE FALLBACK TIMER
Type:	Register
Format	AT [cmds] S29= n [cmds]
Range:	Unidentified
Unit:	Unidentified
Description:	Sets the amount of inacivity allowed in V.21 answer mode prior to initiating fallback

V.32 HANDSHAKE TIMER
Type:	Register
Format	AT [cmds] S28= n [cmds]
Range:	Unidentified
Unit:	.1 second
Description:	Sets the V.32 handshake time