Card Type	Modem (synchronous/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.27, V.29
Error Correction/Compression	MNP5, MNP10, V.42, V.42bis
Fax Class	Class I & II
Data Bus	Serial

CONNECTIONS
Function	Label	Function	Label
DC power in	CN1	Telephone line out	CN3
Serial port	CN2

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
ON	Red	On	Power is on
ON	Red	Off	Power is off
TR	Red	On	DTR signal is high
TR	Red	Off	DTR signal is low
CD	Red	On	Carrier signal detected
CD	Red	Off	Carrier signal not detected
CD	Red	Blinking	Phone is ringing
COMP	Red	On	Modem is connected with data compression
COMP	Red	Off	Modem is not connected with data compression

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, ‘comma’, A/

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

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

Extended AT Commands

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

%C, %E, %F, %L, %Q

Special AT Commands

*H, -K, )M, -Q

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, S29, S30, S31, S32, S33, S36, S38, S39, S46, S48, S82, S86, S91, S92, S95, S99

V.25bis Commands

CIC, CRN, CRS, DIC, RLD, RLF

Note: See MHI help file for complete information.

BIT-MAPPED REGISTER S40
Format		AT [cmds] S40=n [cmds]
Default:		107
Range:		0 - 255
Description:		Controls power level and break handling; selects MNP extended services, link negotiation, and block size.
Bit	Value	Function
0	0 í 1	MNP10 disabled. MNP10 enabled.
1	0 í 1	MNP10 at 2400 and 1200bps disabled. MNP10 at 2400 and 1200bps enabled.
2	í 0 1	Power level adjustment enabled. Power level adjustment disabled.
5, 4, 3	000 001 010 011 100 í 101	\K0 set. \K1 set. \K2 set. \K3 set. \K4 set. \K5 set.
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]
Default:		3
Range:		0 - 91
Description:		Selects compression, auto-retrain and auto-fallback/fall-forward, flow control, and MNP mode.
Note:		Be aware that bit 6 is out of order.
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. Auto-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	Not used.

BIT-MAPPED REGISTER S80
Format:			AT [cmds] S80=n [cmds]
Default:			1
Range:			1 - 225
Description:			Selects a command set and controls callback security and remote configuration.
Bit	Value			Function
4 - 0		00001			Not used.
5		í 0 1			AT command set enabled. V.25bis command set enabled.
6		í 0 1			Remote configuration disabled. Remote configuration enabled.
7		í 0 1			Callback security disabled. Callback security enabled.

CALLBACK PASSWORD
Type:	Configuration
Format:	AT [cmds] *Pn:xxxxx:<#>
Description:	Changes connection password number n. n must be between 0 and 4. The password must be between 6 and 12 characters. If no callback number is supplied, the modem will check for a password but will not perform a callback.

CALLBACK - DISPLAY PASSWORD TABLE
Type:	Immediate
Format:	AT [cmds] *L [cmds]
Description:	Displays the list of connection passwords.

COUNTRY CODE
Type:	Configuration
Format:	AT [cmds] *NCn [cmds]
Description:	Sets the factory defaults according to the country specified. The next power-up or ATZ command will reset the modem to the appropriate defaults.
Command	Function
*NC1	Set country code for Austria.
*NC2	Set country code for Belgium.
*NC3	Set country code for Denmark.
*NC4	Set country code for Finland.
*NC5	Set country code for France.
*NC6	Set country code for Germany.
*NC7	Set country code for Ireland.
*NC8	Set country code for Italy.
*NC9	Set country code for Luxembourg.
*NC10	Set country code for the Netherlands.
*NC11	Set country code for Norway.
*NC12	Set country code for Portugal.
*NC13	Set country code for Spain.
*NC14	Set country code for Sweden.
*NC15	Set country code for Switzerland.
*NC16	Set country code for Great Britain.
*NC20	Set country code for Canada.
*NC21	Set country code for Mexico.
*NC22	Set country code for the United States.
*NC40	Set country code for Australia.
*NC43	Set country code for Japan.
*NC47	Set country code for Singapore.
*NC48	Set country code for New Zealand.

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.
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!	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.

DISPLAY BLACKLIST NUMBERS
Type:	Immediate
Format:	AT [cmds] *B [cmds]
Description:	Displays the list of all the numbers on the blacklist and their statuses.

DISPLAY DELAYED NUMBERS
Type:	Immediate
Format:	AT [cmds] *D [cmds]
Description:	Displays the list of all delayed numbers and their statuses.

DISPLAY CONFIGURATION AND STATISTICS
Type:	Immediate
Format:	AT [cmds] \S [cmds]
Description:	Displays the settings of all commands.

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 production identification.
I5	Displays country code.
I6	Displays production identification.

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

LINE SPEED
Type:	Register
Format:	AT [cmds] S37=n [cmds]
Description:	Sets the maximum allowable data exchange rate attempted during the handshaking process.
í Command	Function
S37=0	Attempt to connect at fastest common speed.
S37=1	Set speed to 300bps.
S37=2	Set speed to 300bps.
S37=3	Set speed to 300bps.
S37=5	Set speed to 1200bps.
S37=6	Set speed to 2400bps.
S37=7	Attempt to connect with V.23.
S37=8	Set speed to 4800bps.
S37=9	Set speed to 9600bps.
S37=10	Set speed to 12Kbps.
S37=11	Set speed to 14.4Kbps.
S37=12	Set speed to 7200bps.

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 or Bell 212A at 1200bps speed.
F5	Select V.22bis at 2400bps speed.
F6	Select V.32 or V.32bis at 4800bps speed.
F7	Select V.32bis at 7200bps speed.
F8	Select V.32bis or V.32 at 9600bps speed.
F9	Select V.32bis at 12Kbps speed.
F10	Select V.32bis at 14.4Kbps speed.

TEST MODE - PTT
Type:	Immediate
Format:	AT [cmds] %TTnn [cmds]
Description:	Send PTT test signals for line tests.
Command	Function
%TT00	Send DTMF digit 0.
%TT01	Send DTMF digit 1.
%TT02	Send DTMF digit 2.
%TT03	Send DTMF digit 3.
%TT04	Send DTMF digit 4.
%TT05	Send DTMF digit 5.
%TT06	Send DTMF digit 6.
%TT07	Send DTMF digit 7.
%TT08	Send DTMF digit 8.
%TT09	Send DTMF digit 9.
%TT0A	Send DTMF digit *.
%TT0B	Send DTMF digit A.
%TT0C	Send DTMF digit B.
%TT0D	Send DTMF digit C.
%TT0E	Send DTMF digit #.
%TT0F	Send DTMF digit D.
%TT10	Send V.21 channel 1 mark symbol.
%TT11	Send V.21 channel 2 mark symbol.
%TT12	Send V.23 backward channel mark symbol.
%TT13	Send V.23 forward channel mark symbol.
%TT14	Send V.22 originate mark symbol at 600bps.
%TT15	Send V.22 originate mark symbol at 1200bps.
%TT16	Send V.22bis originate mark symbol at 2400bps.
%TT17	Send V.22 answer signal with guard tone if required.

TEST MODE - PTT (CON'T)
Command	Function
%TT18	Send V.22bis answer signal with guard tone if required.
%TT19	Send V.21 channel 1 space symbol.
%TT1A	Send V.21 channel 2 space symbol.
%TT1B	Send V.23 backward channel space symbol.
%TT1C	Send V.23 forward channel space symbol.
%TT1D	Send V.27ter carrier.
%TT1E	Send V.29 carrier.
%TT20	Send V.32 9600bps.
%TT21	Send V.32bis 14.4Kbps.
%TT22	Send V.17 14.4Kbps.
%TT30	Send silence (on-line), i.e., go off-hook.
%TT31	Send V.25 answer tone.
%TT32	Send 1800 Hz guard tone.
%TT33	Send 1300Hz V.25 calling tone.
%TT34	Send 1100Hz fax calling tone.

REMOTE CONFIGURATION CHARACTER
Type:	Register
Format:	AT [cmds] S202=n [cmds]
Default:	170
Range:	0 - 255
Unit:	1 ASCII character
Description:	Defines the character that, when sent four times within the guard time set by S12, will notify the remote modem that a remote configuration session has been requested. Values over 127 disables the remote configuration character.

REMOTE CONFIGURATION EXIT
Type:	Immediate
Format:	AT [cmds] *E [cmds]
Description:	Exits remote configuration mode.

REMOTE CONFIGURATION SECURITY - PASSWORD SELECTION
Type:	Configuration
Format:	AT [cmds] *C
Description:	Changes the password for remote configuration. The user will be prompted to enter the old and new passwords. Passwords must be exactly five characters, case insensitive.

REMOTE CONFIGURATION REQUEST
Type:	Immediate
Format:	AT [cmds] *R [cmds]
Description:	Requests to begin a remote configuration session with the remote modem.
Note:	The same function may be accomplished by sending the remote configuration character four times within the guard time set by register S202.

AT COMMAND
Type:	Immediate
Format:	CNL[cmds]
Description:	Executes an AT command string. The AT should not be included.

CALL REQUESTED NUMBER WITH IDENTIFICATION
Type:	Immediate
Format:	CRI<#>;xxxx
Description:	Dials the number given; it will ignore spaces and hyphens in the string; if the string is more than fifty characters long, a result of INV will be returned. The xxxx parameter is ignored.

REQUEST LISTED NUMBERS
Type:	Immediate
Format:	RLN
Description:	Requests the modem to return the list of stored numbers; if no numbers are stored, the modem will return LSN.