Card Type	Modem (synchronous/asynchronous)
Chip Set	Unidentified
Maximum Data Rate	28.8Kbps
Maximum Fax Rate	14.4Kbps
Data Bus	Serial
Fax Class	Class II
Data Modulation Protocol	Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34 Rockwell V.FC
Fax Modulation Protocol	ITU-T V.17, V.27ter, V.29
Error Correction/Compression	MNP5, MNP10, V.42, V.42bis

CONNECTIONS
Function	Label	Function	Label
Mode button	BT1	Serial port	CN2
Talk/Data button	BT2	Telephone line out	CN3
DC power in	CN1	Power switch	SW2
Note: BT1 may be used to change the modem's speed when the command set is disabled.

USER CONFIGURABLE SETTINGS
Setting	Label	Position
í Modem is configured for switched line mode	JP1	Pins 1 & 2 closed
Modem is configured for leased line mode	JP1	Pins 2 & 3 closed
í DTR normal (when %F1 set only)	SW1/1	Off
DTR forced high (when %F1 set only)	SW1/1	On
í DSR normal (when %F1 set only)	SW1/2	Off
DSR follows DTR (when %F1 set only)	SW1/2	On
í Test pattern disabled (when #F1 set and SW1/4 off only)	SW1/3	Off
Test pattern enabled (when #F1 set and SW1/4 off only)	SW1/3	On
Auto-answer enabled (when SW1/4 on)	SW1/3	Off
Auto-answer disabled (when SW1/4 on)	SW1/3	On
í Command set enabled	SW1/4	Off
Command set disabled	SW1/4	On
í Analog loopback test disabled (when #F1 set and SW1/4 off only)	SW1/5	Off
Analog loopback test enabled (when #F1 set and SW1/4 off only)	SW1/5	On
Modem will operate in asynchronous mode (when SW1/4 on)	SW1/5	Off
Modem will operate in synchronous mode (when SW1/4 on)	SW1/5	On
í Remote digital loopback test disabled (when #F1 set and SW1/4 off only)	SW1/6	Off
Remote digital loopback test enabled (when #F1 set and SW1/4 off only)	SW1/6	On
Modem will operate in answer mode (when SW1/4 on)	SW1/6	Off
Modem will operate in originate mode (when SW1/4 on)	SW1/6	On

COMMAND SET SELECTION (WHEN %F0 SET ONLY)
Setting	SW1/1	SW1/2
í Asynchronous AT command set	Off	Off
Asynchronous V.25bis command set	Off	On
Synchronous V.25bis command set in HDLC mode	On	Off
Synchronous V.25bis command set in bisynchronous mode	On	On

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
TD	Red	Blinking	Modem is transmitting data
TD	Red	Off	Modem is not transmitting data
RD	Red	Blinking	Modem is receiving data
RD	Red	Off	Modem is not receiving data
OH	Red	On	Modem is off-hook
OH	Red	Off	Modem is on-hook
CD	Red	On	Carrier signal detected
CD	Red	Off	Carrier signal not detected
AA	Red	On	Auto-answer enabled
AA	Red	Off	Auto-answer disabled
AA	Red	Blinking	Modem is in test mode
TR	Red	On	DTR signal is high
TR	Red	Off	DTR signal is low

DIAGNOSTIC LED(S) (CON’T)
1 Status	2 Status	3 Status	Condition
Slow blink	Off	Off	Modem is connected at 300bps
Slow blink	Off	On	Modem is connected at 1200/75bps
Slow blink	On	Off	Modem is connected at 1200bps
Slow blink	On	On	Modem is connected at 2400bps
Off	On	On	Modem is connected at 4800bps
On	Off	Off	Modem is connected at 7200bps
On	Off	On	Modem is connected at 9600bps
On	On	Off	Modem is connected at 12Kbps
On	On	On	Modem is connected at 14.4Kbps
Medium blink	On	Off	Modem is connected at 16.8Kbps
Medium blink	Off	On	Modem is connected at 19.2Kbps
Medium blink	On	On	Modem is connected at 21.6Kbps
Fast blink	Off	Off	Modem is connected at 24Kbps
Fast blink	On	Off	Modem is connected at 26.4Kbps
Fast blink	On	On	Modem is connected at 28.8Kbps
Off	Off	Slow blink	Modem is connected at 2400bps in fax mode
Off	On	Slow blink	Modem is connected at 4800bps in fax mode
On	Off	Slow blink	Modem is connected at 7200bps in fax mode
On	On	Slow blink	Modem is connected at 9600bps in fax mode
On	Slow blink	Slow blink	Modem is connected at 14.4Kbps in fax mode

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, ‘comma’, A/

A, E, H, L, N, P, T, V, W, Z

&D, &F, &G, &P, &R, &S, &T, &W, &X, &Y, &Z

Extended AT Commands

\A, \B, \N, \Q, \T, \X

%C, %E, %Q

Special AT Commands

:E, *H, -K, )M, -Q

S-Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S16, S18, S25, S26, S29, S30, S38, S95

V.25bis Commands

The V.25bis command set is unidentified.

Note: See MHI help file for complete information.

UNIDENTIFIED COMMANDS
Command	Default
F	Unidentified
\K	5
&Q	Unidentified
#R	Immediate

AUTO-RANGE TIME
Type:	Register
Format:	AT [cmds] S47=n [cmds]
Default:	8
Range:	1 - 255
Unit:	1 second
Description:	The function of this command is unidentified.

BREAK LENGTH
Type:	Register
Format:	AT [cmds] S43=n [cmds]
Default:	15
Range:	0 - 255
Unit:	1 mS
Description:	Sets the default length of transmitted break signals.

BUFFER FAILSAFE OVERRUN
Type:	Register
Format:	AT [cmds] S82=n [cmds]
Default:	60
Range:	1 - 255
Unit:	1 byte
Description:	The function of this command is unidentified.

BUFFER MAXIMUM LEVEL
Type:	Register
Format:	AT [cmds] S80=n [cmds]
Default:	15
Range:	1 - 19
Unit:	5% of the total buffer space
Description:	Sets the percentage of the buffer that must be full before the modem sends the character or signal to pause the data.

BUFFER MINIMUM LEVEL
Type:	Register
Format:	AT [cmds] S81=n [cmds]
Default:	3
Range:	1 - 19
Unit:	5% of the total buffer space
Description:	Sets the percentage of the buffer that must be empty before the modem sends the character or signal to restart the data.

BUFFER OVERFLOW
Type:	Configuration
Format:	AT [cmds] #On [cmds]
Description:	Sets the modem's response when a buffer overflows.
Command	Function
í #O0	Modem drops incoming characters when buffer overflows.
#O1	Modem disconnects when transmit buffer overflows.
#O2	Modem disconnects when receive buffer overflows.
#O3	Modem disconnects when either buffer overflows.

CALLBACK DELAY
Type:	Register
Format:	AT [cmds] S27=n [cmds]
Default:	0
Range:	0 - 255
Unit:	1 second
Description:	Sets the amount of time that must elapse between the modem disconnecting and beginning a callback sequence.

CALLING TONE
Type:	Configuration
Format:	AT [cmds] #Cn [cmds]
Description:	Controls whether the modem will send a V.25 calling tone when originating a call.
Command	Function
#C0	Calling tone disabled.
í #C1	Calling tone enabled.

CLOCK START
Type:	Configuration
Format:	AT [cmds] &Hn [cmds]
Description:	Selects when the modem begins generating a clock signal when in synchronous mode.
Command		Function
í &H0		Clock signal always generated.
&H1		Clock signal only generated after modem is connected.

COMMAND LINE TIMEOUT
Type:	Register
Format:	AT [cmds] S69=n [cmds]
Default:	60
Range:	0 - 255
Unit:	1 second
Description:	The function of this register is unidentified.

COMMAND SET
Type:	Immediate
Format:	AT [cmds] #Mn [cmds]
Description:	Selects the command set the modem will recognise.
Command		Function
í #M0		Asynchronous AT command set enabled.
#M1		Asynchronous V.25bis command set enabled.
#M2		Synchronous V.25bis command set enabled in HDLC mode.
#M3		Synchronous V.25bis command set enabled in bisynchronous mode.

COMMAND VERIFICATION
Type:	Configuration
Format:	AT [cmds] #Vn [cmds]
Description:	Selects whether the modem verifies entered commands.
Command	Function
#V0	Command verification disabled.
í #V1	Command verification enabled.

COMMUNICATIONS MODE
Type:	Configuration
Format:	AT [cmds] &Mn [cmds]
Description:	Selects communications mode.
Command	Mode
í &M0	Modem operates in asynchronous mode.
&M1	Modem operates in synchronous connect mode and asynchronous off-line command mode.
&M2	Modem operates in synchronous mode; DTR dialing enabled.
&M4	Modem operates in asynchronous mode; DTR dialing enabled.

CONNECT MESSAGE
Type:	Configuration
Format:	AT [cmds] %Pn [cmds]
Description:	Sets when DCD is raised compared to when the CONNECT message is displayed.
Command	Function
í %P0	DCD is raised before CONNECT message is displayed.
%P1	DCD is raised after CONNECT message is displayed.

CTS SIGNAL
Type:	Configuration
Format:	AT [cmds] %Kn [cmds]
Description:	Controls the behaviour of the CTS signal.
Command	Function
í %K0	CTS normal.
%K1	CTS forced low during dialing and handshaking.

CTS SIGNAL
Type:	Configuration
Format:	AT [cmds] %Rn [cmds]
Description:	Controls the behaviour of the CTS signal.
Command	Function
í %R0	CTS signal controlled by &R command.
%R1	CTS follows RTS.
%R2	CTS follows DTR when off-line.

DATA LENGTH
Type:	Configuration
Format:	AT [cmds] &Bn [cmds]
Description:	Selects the length of data words for the local serial port.
Command		Function
&B0		8 bit data words selected.
&B1		9 bit data words selected.
&B2		10 bit data words selected.
&B3		11 bit data words selected.
í &B4		Modem auto-detects 10 or 11 bit word length.

DCD SIGNAL
Type:	Configuration
Format:	AT [cmds] &Cn [cmds]
Description:	Controls the behaviour of the DCD signal.
Command	Function
&C0	DCD forced high.
í &C1	DCD forced high after carrier signal is detected.
&C2	DCD forced high except at disconnect.
&C3	DCD forced high for voice mode.

DCD SIGNAL
Type:	Configuration
Format:	AT [cmds] %Tn [cmds]
Description:	Controls the behaviour of the DCD signal.
Command	Function
í %T0	DCD normal.
%T1	DCD forced high.

DES ENCRYPTION
Type:	Configuration
Format:	AT [cmds] #En [cmds]
Description:	Selects whether the modem will use DES en/decryption on transmitted and received data.
Command	Function
í #E0	DES encryption disabled.
#E1	DES encryption enabled.

DIAL
Type:	Immediate
Format:	AT [cmds] D<#>;[cmds]
Description:	Dials the telephone number indicated according to any modifiers included in the string.
Command	Function
DF	Calling tone disabled for this call.
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.
DM	Make a LAPM reliable mode connection this call.
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!	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^	Calling tone disabled for this call.
D;	Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command.

DIRECT CALLING
Type:	Configuration
Format:	AT [cmds] #Dn [cmds]
Description:	Selects whether the modem may use V.25bis direct calling procedures.
Command		Function
í #D0		V.25bis direct calling procedures disabled.
#D1		V.25bis direct calling procedures enabled.

DIRECT MODE FALLBACK
Type:	Configuration
Format:	AT [cmds] \Jn [cmds]
Description:	Selects whether the modem is allowed to fall back to direct mode.
Command		Function
í \J0		Direct mode fallback disabled.
\J1		Direct mode fallback enabled.

DISCONNECT CAUSE
Type:	Register (read-only)
Format:	AT [cmds] S42? [cmds]
Description:	The meanings of the values for this register are unidentified.

DISCONNECT CAUSE - PREVIOUS CALL
Type:	Register (read-only)
Format:	AT [cmds] S74? [cmds]
Description:	The meanings of the values for this register are unidentified.

DISCONNECT DELAY
Type:	Configuration
Format:	AT [cmds] %Dn [cmds]
Default:	0
Range:	Unidentified
Unit:	1 second
Description:	Sets the delay before disconnection.

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

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 displays ROM checksum result.
I3	Displays modem manufacturer.
I4	Displays firmware revision and release date.
I5	Displays manufacturer information.
I9	Displays firmware model.

DISPLAY PROFILES
Type:	Immediate
Format:	AT [cmds] &Vn [cmds]
Description:	Displays the configuration profile indicated.
Command	Function
&V	Displays current command settings.
&V0	Displays stored profile 0.
&V1	Displays stored profile 1.
&V2	Displays stored profile 2.
&V3	Displays stored profile 3.
&V8	Displays the differences between the active and the default profile.

DSR SIGNAL
Type:	Configuration
Format:	AT [cmds] %Sn [cmds]
Description:	Controls the behaviour of the DSR signal.
Command	Function
í %S0	DSR normal.
%S1	DSR follows DTR.

EXTENDED RESULT CODES
Type:	Configuration
Format:	AT [cmds] %Un [cmds]
Description:	Selects which extended result codes the modem will display.
Command	Function
í %U0	/REL result codes will be displayed for all error correction connections.
%U1	V.42 result codes will be displayed.
%U2	V.42 and V.42bis, MNP2 - 5, MNP10, and DES result codes will be displayed.

EXTENDED RESULT CODES - /REL
Type:	Configuration
Format:	AT [cmds] \Vn [cmds]
Description:	Selects /REL extended result codes.
Command	Function
í \V0	/REL result codes disabled.
\V1	/REL result codes enabled.
\V8	Extended result codes enabled.
\V9	Extended result codes enabled with diagnostic information.

FLASH DIAL MODIFIER TIME
Type:	Register
Format	AT [cmds] S100=n [cmds]
Default:	5
Range:	1 - 10
Unit:	.1 second
Description:	Time the modem will go on-hook upon receiving the ! dial modifier in dial string.

FLOW CONTROL
Type:	Configuration
Format:	AT [cmds] &Kn [cmds]
Description:	Selects the type of flow control the modem will use.
Command	Function
&K0	Flow control disabled.
&K3	RTS/CTS flow control enabled.
&K4	XON/XOFF flow control enabled.
&K5	Transparent XON/XOFF flow control enabled.
í &K9	Failsafe flow control enabled.

FRONT PANEL SWITCHES SW1/1 AND SW1/2
Type:	Configuration
Format:	AT [cmds] %Fn [cmds]
Description:	Controls the function of front panel switches SW1/1 and SW1/2.
Command		Function
%F0		Switches SW1/1 and SW1/2 control V.25bis settings.
í %F1		Switches SW1/1 and SW1/2 control DSR and DTR settings.

FRONT PANEL TESTS
Type:	Configuration
Format:	AT [cmds] #Fn [cmds]
Description:	Selects whether the front panel switches may be used to cause the modem to enter a test mode.
Command		Function
í #F0		Front panel test modes disabled.
#F1		Front panel test modes enabled.

HELP
Type:	Immediate
Format:	AT [cmds] ? [cmds]
Description:	Displays help on the modem's commands.

HELP SCREEN LENGTH
Type:	Register
Format:	AT [cmds] S97=n [cmds]
Default:	24
Range:	1 - 255
Unit:	1 line
Description:	Sets the number of lines of text of the help screen the modem will display before pausing.

HELP SCREEN WIDTH
Type:	Register
Format:	AT [cmds] S96=n [cmds]
Default:	80
Range:	1 - 255
Unit:	1 column
Description:	Sets the number of characters wide the modem will format the help screen to display.

INTERRUPT DIALING SEQUENCE
Type:	Configuration
Format:	AT [cmds] &Nn [cmds]
Description:	Selects whether a dial or connect sequence may be interrupted by user input.
Command	Function
&N0	Dial interrupt disabled.
í &N1	Dial interrupt enabled.

LED MODE
Type:	Configuration
Format:	AT [cmds] %Mn [cmds]
Description:	Sets what the front-panel LEDs indicate.
Command	Function
í %M0	LEDs indicate line speed.
%M1	LEDs indicate line quality, V.42 and MNP errors, and flow control.

LINE TYPE
Type:	Configuration
Format:	AT [cmds] &Ln [cmds]
Description:	Selects the type of telephone line the modem is connected to.
Command		Function
í &L0		Modem is connected to switched line.
&L1		Modem is connected to leased line.
&L2		Modem is connected to leased line in auto-originate mode.
&L3		Modem is connected to leased line in auto-answer mode.

LOCAL SERIAL PORT SPEED
Type:	Configuration
Format:	AT [cmds] Rn [cmds]
Description:	Sets the speed of the local serial port.
Command	Function
R9	Set local serial port speed to 9600bps.
R14	Set local serial port speed to 14.4Kbps.
R19	Set local serial port speed to 19.2Kbps.
R28	Set local serial port speed to 28.8Kbps.
R38	Set local serial port speed to 38.4Kbps.
R57	Set local serial port speed to 57.6Kbps.
R115	Set local serial port speed to 115.2Kbps.
R230	Set local serial port speed to 230.4Kbps.

LOCAL SERIAL PORT SPEED - NON-STANDARD
Type:	Configuration
Format:	AT [cmds] %Nn [cmds]
Description:	Selects non-standard serial port speeds above 14.4Kbps.
Command		Function
í %N0		Standard serial port speeds used.
%N1		Speeds above 14.4Kbps are 20.8Kbps, 41.6Kbps, and 62.4Kbps.
%N2		Speeds above 14.4Kbps are 19.2Kbps, 28.8Kbps, 38.4Kbps, and 51.2Kbps.

LOCAL SERIAL PORT SPEED - V.25bis MODE
Type:	Configuration
Format:	AT [cmds] #Qn [cmds]
Description:	Sets the speed of the local serial port when in V.25bis mode.
Command	Function
#Q9	Set local serial port speed to 9600bps.
#Q14	Set local serial port speed to 14.4Kbps.
#Q19	Set local serial port speed to 19.2Kbps.
#Q28	Set local serial port speed to 28.8Kbps.
#Q38	Set local serial port speed to 38.4Kbps.
#Q57	Set local serial port speed to 57.6Kbps.
#Q115	Set local serial port speed to 115.2Kbps.
#Q230	Set local serial port speed to 230.4Kbps.

MNP10
Type:	Configuraion
Format:	AT [cmds] #Kn [cmds]
Description:	Selects whether the modem will attempt to use MNP10 error correction.
Command		Function
#K0		MNP10 disabled.
í #K1		MNP10 enabled.
#K2		MNP10 enabled for cellular connections only.

MNP10 LINK NEGOTIATION
Type:	Configuration
Format:	AT [cmds] %Hn [cmds]
Description:	Sets the speed at which MNP10 link negotiation will occur.
Command	Function
í %H0	Link will be negotiated at speed set by B command.
%H1	Link will be negotiated at 1200bps.
%H2	Link will be negotiated at 4800bps.
%H3	Link will be negotiated at 9600bps.
%H9	Link will be negotiated at speed set by B command and modem will not fall forward.

ON-LINE
Type:	Immediate
Format:	AT [cmds] On
Description:	Instructs the modem to return to the on-line state.
Note:	O3 through O7 are only valid for V.32 and V.32bis connections.
Command	Function
O0	Return to on-line state.
O1	Return to on-line state and initiate retrain sequence.
O2	Initiate retrain sequence.
O3	Re-negotiate speed to 4800bps and return to on-line state.
O4	Re-negotiate speed to 7200bps and return to on-line state.
O5	Re-negotiate speed to 9600bps and return to on-line state.
O6	Re-negotiate speed to 12Kbps and return to on-line state.
O7	Re-negotiate speed to 14.4Kbps and return to on-line state.

PROTOCOL/SPEED
Type:	Configuration
Format:	AT [cmds] Bn [cmds]
Description:	Selects the protocol and speed the modem will attempt to connect at.
Command	Function
B0	Select protocol specified by #B at 1200bps.
B1	Auto-detect the highest common connect speed.
B2	Select protocol specified by #B at 1200bps.
B3	Select V.21 at 300bps speed.
B4	Select Bell 103 at 300bps speed.
B5	Select V.23 at 1200/75bps speed.
B6	Select V.22 at 1200bps speed.
B7	Select Bell 212A at 1200bps speed.
B8	Select V.22bis at 2400bps speed.
B9	Auto-detect the highest common connect speed.
B10	Select V.32 at 4800bps speed.
B11	Select V.32bis at 7200bps speed.
B12	Select V.32bis uncoded at 9600bps speed.
B13	Select V.32bis at 9600bps speed.
B14	Select V.32bis at 12Kbps speed.
B15	Select V.32bis at 14.4Kbps speed.
B16	Select V.34 at 14.4Kbps speed.
B17	Select V.34 at 16.8Kbps speed.
B18	Select V.34 at 19.2Kbps speed.
B19	Select V.34 at 21.6Kbps speed.
B20	Select V.34 at 24Kbps speed.
B21	Select V.34 at 26.4Kbps speed.
B22	Select V.34 at 28.8Kbps speed.

PROTOCOL/SPEED MODIFIER
Type:	Configuration
Format:	AT [cmds] #Bn [cmds]
Description:	Selects the communication protocol for low-speed data calls.
Command	Protocol
í #B0	B2 indicates modem will use ITU-T V.22 at 1200bps; B0 indicates modem will use V.23 at 1200bps.
#B1	B0 indicates modem will use ITU-T V.22 at 1200bps; B2 indicates modem will use V.23 at 1200bps.

REMOTE CONFIGURATION
Type:	Configuration
Format:	AT [cmds] #An [cmds]
Description:	Sets whether the modem will allow remote configuration sessions.
Command	Function
#A0	Remote configuration disabled.
#A1	Remote configuration enabled.
í #A2	Remote configuration enabled and configuration password required.

REMOTE CONFIGURATION CHARACTER
Type:	Register
Format:	AT [cmds] S67=n [cmds]
Default:	42
Range:	0 - 127
Unit:	1 ASCII character
Description:	Defines the character that, when sent four times within the guard time set by S12, will notify the modem that a remote configuration session has been requested.

REMOTE CONFIGURATION SEQUENCE GUARD TIME
Type:	Register
Format	AT [cmds] S66=n [cmds]
Default:	10
Range:	1 - 255
Unit:	.1 second
Description:	Maximum allowable time between remote configuration character sequence initiation and completion for the remote configuration sequence to be executed.

REMOTE CONFIGURATION SEQUENCE
Type:	Immediate
Format:	****<WAIT>
Description:	Initiates the remote configuration escape sequence, requesting to begin a remote configuration session with the remote modem. The modem must receive the four characters set with the S67 command within the time allotted by S66.
Note:	Do not precede this command with AT.

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

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; basic result codes only enabled.
X1	Busy and dial tone detection disabled; basic result codes with connect speed enabled.
X2	Busy tone detection disabled, dial tone detection enabled; basic result codes with connect speed enabled.
X3	Busy tone detection enabled, dial tone detection disabled; basic result codes with connect speed enabled.
X4	Busy and dial tone detection enabled; basic result codes with connect speed enabled.
í X5	Busy and dial tone detection enabled; basic result codes with connect speed enabled; RINGING response enabled..
X6	Busy tone detection enabled, dial tone detection disabled; basic result codes with connect speed enabled; RINGING response enabled.

SECURITY MENU MODE
Type:	Immediate
Format:	AT [cmds] #S
Description:	Commands the modem to enter security menu mode.

SPEAKER MODE
Type:	Configuration
Format:	AT [cmds] Mn [cmds]
Description:	Selects various speaker options.
Command	Function
M0	Speaker disabled.
í M1	Speaker enabled until carrier signal detected.
M2	Speaker enabled.
M3	Speaker enabled following dialing, then disabled after carrier signal detected.
M4	Speaker enabled during dialing, answering, and line speed changes.

SYNCHRONOUS MODE ENCODING
Type:	Configuration
Format:	AT [cmds] #Nn [cmds]
Description:	Selects the type of character encoding the modem will use when in synchronous V.25bis mode.
Command		Function
í #N0		Modem will use NRZ encoding.
#N1		Modem will use NRZI encoding.

TRANSMISSION LEVEL
Type:	Configuration
Format:	AT [cmds] %Ln [cmds]
Default:	Unidentified
Range:	11 - 19
Unit:	-1 dBm
Description:	Sets the signal level for transmission. If no value is given the current transmission level is displayed.

V.13 REMOTE RTS
Type:	Configuration
Format:	AT [cmds] *Rn [cmds]
Description:	Toggles V.13 remote RTS signaling.

V.22bis AND BELOW EQM THRESHHOLD
Type:	Register
Format:	AT [cmds] S45=n [cmds]
Default:	98
Range:	0 - 255
Unit:	Unidentified
Description:	Sets the quality threshhold for connections at V.22bis and below.

V.22bis ON LEASED LINE
Type:	Configuration
Format:	AT [cmds] #In [cmds]
Description:	Selects whether the modem will use the switched line standard for V.22bis modulation when operating over a leased line connection.
Command		Function
í #I0		Modem will use leased line V.22bis over leased lines.
#I1		Modem will use switched line V.22bis over leased lines.

V.25bis CHARACTER SET
Type:	Configuration
Format:	AT [cmds] #Un [cmds]
Description:	Selects the character set the modem will use when in V.25bis mode.
Command		Function
í #U0		Modem will use ASCII characters.
#U1		Modem will use EBCDIC characters.

V.25bis IGNORE INCOMING CALL
Type:	Register
Format:	AT [cmds] S71=n [cmds]
Default:	0
Range:	0 - 30
Unit:	1 second
Description:	The function of this register is unidentified.

V.32 AND V.32bis EQM THRESHHOLD
Type:	Register
Format:	AT [cmds] S33=n [cmds]
Default:	3
Range:	0 - 255
Unit:	Unidentified
Description:	Sets the quality threshhold for connections at V.32 and V.32bis.

V.34 MODE
Type:	Configuration
Format:	AT [cmds] *Cn [cmds]
Description:	Selects whether the modem will use V.34 mode.
Command	Function
í *C0	V.34 mode enabled.
*C1	V.34 mode disabled; V.FC used for 28.8Kbps connections..

V.42 DETECTION PHASE
Type:	Configuration
Format:	AT [cmds] #Jn [cmds]
Description:	Selects whether the modem will go through the V.42 detection phase.
Command	Function
#J0	V.42 detection phase disabled.
í #J1	V.42 detection phase enabled.

V.42 DETECTION PHASE TIME
Type:	Register
Format:	AT [cmds] S62=n [cmds]
Default:	75
Range:	0 - 255
Unit:	10 mS
Description:	Sets the length of the V.42 detection phase.

VOICE - DEAD MAN TIMEOUT
Type:	Register
Format:	AT [cmds] S105=n [cmds]
Default:	30
Range:	0 - 255
Unit:	1 second
Description:	The function of this command is unidentified.

WELCOME MESSAGE
Type:	Configuration
Format:	AT [cmds] *Wxxxx|xxxx [cmds]
Description:	Sets the welcome message displayed to incoming connections. The vertical bar (|) character may be used to specify line breaks. The message must be 80 characters or less.

WELCOME MESSAGE DISPLAY
Type:	Configuration
Format:	AT [cmds] %Wn [cmds]
Description:	Selects whether the modem will display the welcome message to incoming connections.
Note:	See the *W command for more information.
Command	Function
í %W0	Welcome message will not be displayed.
%W1	Welcome message will be displayed.