Card Type	Modem (asynchronous)
Chipset	Rockwell
Maximum Data Rate	14.4Kbps
Maximum Fax Rate	14.4Kbps
Data Bus	Compaq communications bus
Fax Class	Class I & II
Data Modulation	Bell 103A/212A ITU-T V.21, V.22, V.23, V.22bis, 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

CONNECTIONS
Function	Label		Function		Label
Line out		CN1		Compaq communications bus		CN3
Line in		CN2

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, ‘comma’, A/

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

&C, &D, &F, &G, &K, &L, &M, &P, &Q, &R, &S, &T, &V, &W, &Y, &Z

Extended AT Commands

\A, \B, \G, \J, \L, \W

%C, %E, %F, %L

S-Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S12, S14, S16, S18, S21, S22, S23, S24, S25, S27,

S28, S29, S30, S31, S32, S33, S36, S38, S39, S40, S41, S46, S48, S82, S86, S91, S92, S95, S201

Special AT Commands

-K, -Q, *H, )M, @M, :E, #CID

Note: See MHI help file for full command documentation.

BREAK TYPE
Type:	Configuration
Format:	AT [cmds] \Kn [cmds]
Description:	Configures action of break signal
Command	Function
\K0	Online command mode enabled, do not send break to remote modem.
\K1	Break sent to remote modem and buffered cleared.
\K2	Online command mode enabled, do not send break to remote modem.
\K3	Send break to remote modem immediately.
\K4	Online command mode enabled, do not send break to remote modem.
í \K5	Send break with transmitted data.

CALLBACK
Type:	Configuration
Format:	AT [cmds] *Pn:xxxx:<#>
Description:	Stores the information for callback number n. When enabled, the modem will call back the phone number indicated and request the matching password.

CELLULAR DRIVER DOWNLOAD
Type:	Immediate
Format:	AT [cmds] ^C2
Description:	Initiates an ASCII transfer of a new cellular phone driver.

CELLULAR DRIVER INFORMATION
Type:	Immediate
Format:	AT [cmds] ^I [cmds]
Description:	Displays information about the currently loaded cellular phone driver.

CELLULAR PHONE STATUS
Type:				Immediate
Format:		AT [cmds] ^T6 [cmds]
Description:		Displays the current status of the connected cellular phone.
Bit	Value		Function
0	0 1		Cellular phone is not receiving an incoming call. Cellular phone is receiving an incoming call.
1	0 1		Cellular phone is not in use. Cellular phone is in use.
2	0 1		Cellular phone is not locked. Cellular phone is locked.
3	0 1		Cellular service present. Cellular service not present.
4	0 1		Cellular phone is off. Cellular phone is on.
5	0 1		Cellular driver is not initialized. Cellular driver is initialized.
6	0		Not used.
7	0 1		Cellular cable not detected. Cellular cable detected.

CONNECT MODE
Type:	Configuration
Format:	AT [cmds] \Nn [cmds]
Description:	Controls the type of connection the modem will connect with.
Command	Function
\N0	Modem will connect in normal mode.
\N1	Modem will connect in normal mode.
\N2	Modem will attempt V.42bis mode, then MNP mode, then hang up.
í \N3	Modem will attempt V.42bis mode, then MNP mode, then normal mode.
\N4	Modem will attempt V.42bis mode, then hang up.
\N5	Modem will attempt MNP mode, then hang up.

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
í S37=0	Speed of last connection.
S37=1	Maximum speed set to 300bps.
S37=2	Maximum speed set to 300bps.
S37=3	Maximum speed set to 300bps.
S37=5	Maximum speed set to 1200bps.
S37=6	Maximum speed set to 2400bps.
S37=7	Maximum speed set to 1200/75bps.
S37=8	Maximum speed set to 4800bps.
S37=9	Maximum speed set to 9600bps.
S37=10	Maximum speed set to 12Kbps.
S37=11	Maximum speed set to 14.4Kbps.
S37=12	Maximum speed set to 7200bps.

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
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	Dial following digits in pulse mode.
DS=n	Dial stored telephone number n.
DT	Dial following digits in tone mode.
DW	Dialing resumed following dial tone detection.
D,	Dialing paused for amount of time specified in S8 register.
D"WXY"	Optional method of denoting telephone numbers. Letters enclosed in quotes are interpreted as numbers according to the system found on a telephone keypad.
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.

DIAL (CON’T)
D&	Wait for AT&T credit card ("bong") tone detection function enabled. Waits for bong tone for amount of time specified by the S7 command.
D$	Wait for prompt tone detection function enabled. Waits for prompt tone for amount of time specified by the S7 command.
D^	Toggles calling tone on or off for this call.
D>	Sends grounding pulse on EARTH relay line.
D;	Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command.

DISPLAY STORED NUMBERS
Type:	Immediate
Format:	AT [cmds] \F [cmds]
Description:	Displays all stored numbers.

PROTOCOL/SPEED
Type:	Configuration
Format:	AT [cmds] Fn [cmds]
Description:	Selects the protocol and speed the modem will attempt to connect at.
Command	Function
F0	Auto-detect the highest common connect speed.
F1	Select V.21 or Bell 103 at 300bps speed.
F3	Select V.23 at 75/1200bps speed.
F4	Select V.22 at 1200bps speed.
F5	Select V.22bis at 2400bps speed.
F6	Select V.32/V.32bis at 4800bps speed.
F7	Select V.32bis at 7200bps speed.
F8	Select V.32bis/V.32 at 9600bps speed.
F9	Select V.32bis at 12Kbps speed.
F10	Select V.32bis at 14.4Kbps speed

REMOTE CONFIGURATION END
Type:	Configuration
Format:	AT [cmds] *E [cmds]
Description:	Ends the current remote configuration session.

REMOTE CONFIGURATION PASSWORD
Type:	Configuration
Format:	AT [cmds] *Cxxxx [cmds]
Description:	Stores the password that must be sent by a remote modem to enter a remote configuration session on the local modem.

REMOTE CONFIGURATION REQUEST
Type:	Configuration
Format:	AT [cmds] *Rn [cmds]
Description:	Requests the remote modem to start a remote configuration session.

REPORT INFORMATION
Type:	Immediate
Format:	AT [cmds] In [cmds]
Description:	Displays information requested.
Command	Function
I0	Reports modem model and speed.
I1	Reports ROM checksum.
I2	Tests and reports ROM checksum.
I3	Reports firmware revision.
I4	Reports OEM identifer.
I5	Reports country code.