Card Type	Modem (asynchronous)
Chipset	Unidentified
Maximum Data Rate	14.4Kbps
Maximum Fax Rate	14.4Kbps
Data Modulation	Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis
Fax Modulation	ITU-T V.17, V.21CH2, V.27ter, V.29
Error Correction/Compression	MNP5, MNP10, V.42, V.42bis
Fax Class	Class II
Data Bus	PCMCIA Type II

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, ‘comma’, A/

A, B, E, H, L, M, N, O, Q, V, W, X, Y, Z

&C, &D, &F, &G, &J, &L, &P, &R, &S, &T, &W, &Y, &Z

Extended AT Commands

\A, \B, \C, \G, \J, \N, \V, \Y, \Z

%A, %C, %L

Special AT Commands

*H, )M, @M

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, S36, S38

Note: See MHI help file for complete information.

AUTO-REDIAL
Type:	Register
Format:	AT [cmds] S41=n [cmds]
Default:	0
Range:	0 - 10
Unit:	1 retry
Description:	Sets the number of times the modem will automatically redial a call that failed to connect.

AUTO-RELIABLE FALLBACK CHARACTER
Type:	Configuration
Format:	AT [cmds] S46=n [cmds]
Default:	13
Range:	0 - 127
Unit:	1 ASCII character
Description:	Sets the character used as the auto-reliable fallback character.

AUTO-RELIABLE FALLBACK CHARACTER ENABLE
Type:	Configuration
Format:	AT [cmds] &Nn [cmds]
Description:	Enables or disables the auto-reliable fallback character.
Command	Function
&N0	Auto-reliable fallback character disabled.
í &N1	Auto-reliable fallback character enabled.

AUTO-RELIABLE TIME BUFFER CONFIGURATION
Type:	Configuration
Format:	AT [cmds] &On [cmds]
Description:	Controls the handling of incoming data during the auto-reliable negotiation time period.
Command	Function
&O0	Data is discarded.
í &O1	Date is sent to DTE.

AUTO-RETRAIN
Type:	Configuration
Format:	AT [cmds] &En [cmds]
Description:	Controls auto-retrain mode.
Command	Function
&E0	Auto-retrain disabled.
í &E1	Auto-retrain enabled.

ANSWER/ORIGINATE DETECTION PATTERNS
Type:	Configuration
Format:	AT [cmds] &An [cmds]
Description:	Selects whether the modem will use answer and originate detection patterns in originate mode.
Command	Function
&A0	Answer and originate detection patterns disabled in originate mode.
í &A1	Answer and originate detection patterns enabled in originate mode.

BIT-MAPPED REGISTER S39
Format:			AT [cmds] S39=n [cmds]
Default:			0
Range:			0 - 187
Description:			Controls power-up profile, local serial port speed, break type, and auto-retrain.
Bit	Value			Function
1, 0		í 00 01 10 11			Restore profile 0 on power-up. Restore profile 1 on power-up. Restore profile 2 on power-up. Restore profile 3 on power-up.
2		0			Not used.
3	í 0 1			Local serial port speed set with S23. Local serial port speed fixed at 115.2Kbps.
5, 4		í 00 01 10			Break sent with transmitted data. Break sent to remote modem immediately. Break sent to remote modem and buffers cleared.
6		0			Not used.
7		í 0 1			Auto-retrain enabled. Auto-retrain disabled.

BIT-MAPPED REGISTER S49
Format:			AT [cmds] S49=n [cmds]
Default:			Unidentified
Range:			0 - 148
Description:			Controls flow control type and the compromise equalizer.
Bit	Value			Function
4 - 0	00000 í 00011 00100 01000 01100 10000 10100			Flow control disabled. RTS/CTS flow control enabled. XON/XOFF flow control enabled. Unidirectional transparent XON/XOFF flow control enabled. Local transparent XON/XOFF flow control enabled. Internal XON/XOFF flow control enabled. Internal local XON/XOFF flow control enabled.
6, 5		00			Not used.
7		0 1			Compromise equalizer enabled. Compromise equalizer disabled.

BREAK TYPE
Type:	Configuration
Format:	AT [cmds] &In [cmds]
Description:	Configures action of break signal.
Command	Function
&I0	Break sent with transmitted data.
&I1	Break sent to remote modem immediately.
&I2	Break sent to remote modem and buffers cleared.

BREAK TYPE
Type:	Configuration
Format:	AT [cmds] \Kn [cmds]
Description:	Configures action of break signal.
Command	Function
\K1	Break sent to remote modem and buffers cleared.
\K3	Break sent to remote modem immediately.
\K5	Break sent with transmitted data.

COMMUNICATIONS MODE
Type:	Configuration
Format:	AT [cmds] &Qn [cmds]
Description:	Selects the communications mode the modem will use.
Command	Function
&Q0	Modem will operate in asynchronous mode.
&Q4	Modem will operate in direct mode.
&Q5	Modem will use MNP reliable in asynchronous mode.
í &Q6	Modem will use V.42 auto-reliable asynchronous mode.
&Q7	Modem will use V.42 reliable asynchronous mode.

COMPRESSION
Type:	Configuration
Format:	AT [cmds] &Un [cmds]
Description:	Selects whether the modem will use data compression.
Command		Function
&U0		Data compression disabled.
í &U1		Data compression enabled.

COMPRESSION/ERROR CORRECTION TYPE
Type:	Register
Format:	AT [cmds] S44=n [cmds]
Description:	Returns a value indicating the type of error correction and compression in use for the last connection.
Value	Meaning
0	Last connection used no error correction.
2	Last connection used MNP2 error correction.
3	Last connection used MNP3 error correction.
4	Last connection used MNP4 error correction.
5	Last connection used MNP5 compression.
6	Last connection used V.42 error correction.
7	Last connection used V.42bis compression.

CONNECTION TYPE
Type:	Register
Format:	AT [cmds] S43? [cmds]
Description:	Returns a value indicating the type and speed of the last connection.
Value	Meaning
0	Last connection was at 300bps with no error-correction.
1	Last connection was at 1200bps with no error-correction.
2	Last connection was at 2400bps with no error-correction.
3	Last connection was at 1200bps in MNP mode.
4	Last connection was at 2400bps in MNP mode.
5	Last connection was at 1200bps in V.42 mode.
6	Last connection was at 2400bps in V.42 mode.
7	Last connection was at 4800bps with no error-correction.
8	Last connection was at 4800bps in MNP mode.
9	Last connection was at 4800bps in V.42 mode.
10	Last connection was at 9600bps with no error-correction.
11	Last connection was at 9600bps in MNP mode.
12	Last connection was at 9600bps in V.42 mode.
13	Last connection was at 300bps in MNP mode.
14	Last connection was at 300bps in V.42 mode.
15	Last connection was at 7200bps with no error-correction.
16	Last connection was at 7200bps in MNP mode.
17	Last connection was at 7200bps in V.42 mode.
18	Last connection was at 12Kbps with no error-correction.
19	Last connection was at 12Kbps in MNP mode.
20	Last connection was at 12Kbps in V.42 mode.
21	Last connection was at 14.4Kbps with no error-correction.
22	Last connection was at 14.4Kbps in MNP mode.
23	Last connection was at 14.4Kbps in V.42 mode.

CONNECTION FAILURE CODES
Type:	Register
Format	AT [cmds] S45? [cmds]
Description:	Returns a value which indicate the cause of a connection failure.
Value	Meaning
0	Carrier signal lost.
1	User interrupted the connection.
2	Train sequence failed.
3	Retrain sequence failed.
4	Inactivity timer time limit reached.
5	Long Space Disconnect time limit reached.
6	Remote modem failed to respond to feature negotiation.

DIAL
Type:	Immediate
Format:	AT [cmds] D<#> [cmds]
Description:	Dials the telephone number indicated according to any modifiers included in the string.
Command	Function
DJ	MNP10 link will be negotiated at 1200bps for this call.
DK	MNP10 power level adjustment enabled for this call.
DL	Re-dial last number.
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.
DW	Dialing resumed following dial tone detection.
D,	Dialing paused for amount of time specified in S8 register.
D/	Dialing paused for 1/8 second.
D!	Flash function initiated. Modem commanded to go off-hook for specified time before returning on-hook.
D@	Wait for Quiet 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.

DISCONNECT BUFFER DELAY
Type:	Configuration
Format	AT [cmds] %Dn [cmds]
Default:	20
Range:	0-255
Unit:	.1 second
Description:	Sets maximum duration allowed during buffered data calls for modem to perform clearing functions after losing carrier-signal or receiving a clear call signal from the remote modem and before initiating hang-up process. A value of 0 causes the modem to hang up without waiting.

DISPLAY INFORMATION
Type:	Immediate
Format:	AT [cmds] In [cmds]
Description:	Displays information requested about the modem.
Command	Function
I0	Displays product identification code.
I1	Displays ROM checksum.
I2	Tests and reports ROM checksum.
I3	Displays firmware revision.
I4	Displays ASCII test string.
I5	Displays chipset revision.

DISPLAY STORED PROFILES
Type:	Immediate
Format:	AT [cmds] \Sn [cmds]
Description:	Displays the requested stored information.
Command	Function
\S0	Displays stored profiles 0 and 1, and stored numbers 0 - 2.
\S1	Displays stored profiles 2 and 3, and stored numbers 0 - 3.

DISPLAY STORED PROFILES
Type:	Immediate
Format:	AT [cmds] &Vn [cmds]
Description:	Displays the requested stored information.
Command	Function
&V0	Displays stored profiles 0 and 1, and stored numbers 0 - 2.
&V1	Displays stored profiles 2 and 3, and stored numbers 0 - 3.

FLOW CONTROL
Type:	Configuration
Format:	AT [cmds] &Kn [cmds]
Description:	Enables flow control options.
Command	Function
&K0	Flow control disabled.
í &K3	RTS/CTS flow control enabled.
&K4	XON/XOFF flow control enabled.
&K8	Unidirectional transparent XON/XOFF flow control enabled.
&K12	Local transparent XON/XOFF flow control enabled.
&K16	Internal XON/XOFF flow control enabled.
&K20	Internal local XON/XOFF flow control enabled.

FLOW CONTROL CHARACTER - XON
Type:	Register
Format:	AT [cmds] S47=n [cmds]
Default:	17
Range:	0-255
Unit:	1 ASCII character
Description:	Sets the character used to represent XON.

FLOW CONTROL CHARACTER - XOFF
Type:	Register
Format:	AT [cmds] S48=n [cmds]
Default:	10
Range:	0-255
Unit:	1 ASCII character
Description:	Sets the character used to represent XOFF.

INACTIVITY TIMER
Type:	Register
Format:	AT [cmds] S40=n [cmds]
Default:	0
Range:	0 - 255
Unit:	1 minute
Description:	Sets the length of time that the modem does not receive information before it disconnects; S40=0 will disable.

LINE SPEED
Type:	Register
Format	AT [cmds] S37=n [cmds]
Description:	Sets the maximum allowable data exchange rate attempted during handshaking process.
Command	Function
í S37=0	Speed of last connection
S37=3	Set speed to 300bps.
S37=5	Set speed to 1200bps.
S37=6	Set speed to 2400bps.
S37=7	Set speed to 4800bps.
S37=9	Set speed to 9600bps.
S37=10	Set speed to 9600bps.
S37=11	Set speed to 300bps.
S37=15	Set speed to 4800bps.
S37=16	Set speed to 7200bps.
S37=17	Set speed to 9600bps.
S37=18	Set speed to 12Kbps.
S37=19	Set speed to 14.4Kbps.

LOCK SERIAL PORT
Type:	Configuration
Format:	AT [cmds] &Bn [cmds]
Description:	Sets operation of serial port speed.
Command	Function
&B0	Serial speed follows connect speed.
í &B1	Serial speed locked.

TRANSMISSION LEVEL ATTENUATION - LEASED LINE
Type	Register
Format	AT [cmds] S35=n [cmds]
Default	9
Range	0 - 15
Unit	-1 dBm
Description	Sets the signal attenuation level for transmission over leased phone lines.

V.32 - COMPROMISE EQUALIZER
Type%	Configuration
Format%	AT [cmds] %En [cmds]
Description%	Controls V.32 compromise equalizer.
Command	Function
%E0	Compromise equalizer disabled.
%E1	Compromise equalizer enabled.