Card Type	Modem
Chip Set	Motorola
I/O Options	25-pin DTE port, line in, line out
Maximum Data Rate	33.6Kbps
Maximum Fax Rate	14.4Kbps
Data Modulation Protocol	Bell 103, 212A ITU-T V.21, V.22, V.22bis, V.27, V.29, V.32, V.32bis, V.33, V.34
Fax Modulation Protocol	ITU-T V.17, V.21 CH2, V.27ter, V.29
Error Correction/Compression	MNP5, V.42, V.42bis
Fax Class	Class I
Data Bus	External

CONNECTIONS
Function	Label		Function		Label
Line out		CN1		Power cord		CN4
Line in		CN2		Power switch		SW1
25-pin DTE port		CN3

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
TR	Unidentified	On	DTR signal is high
TR	Unidentified	Off	DTR signal is low
CS	Unidentified	On	CTS signal is high
CS	Unidentified	Off	CTS signal is low
RS	Unidentified	On	RTS signal is high
RS	Unidentified	Off	RTS signal is low
CD	Unidentified	On	Carrier signal detected or error correction negotiation completed
CD	Unidentified	Off	Carrier signal not detected
RD	Unidentified	On	Modem is receiving data
RD	Unidentified	Off	Modem is not receiving data
TD	Unidentified	On	Modem is transmitting data
TD	Unidentified	Off	Modem is not transmitting data

SUPPORTED COMMAND SET

Basic AT Commands

+++, ‘comma’, A/

A, E, F, M, O, V, X

&G, &P, &T, &W, &X, &Y

Extended AT Commands

\A, \G, \T, \X, \V

%A

S-Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S16, S18, S22

Note: See MHI documentation for complete information.

COMMUNICATIONS MODE
Type:	Configuration
Format:	AT [cmds] &Mn [cmds]
Description:	Selects the active communications mode.
Command	Function
&M0	Asynchronous command and data modes.
&M1	Asynchronous command and synchronous connect mode.
&M2	DTR dialing enabled and synchronous connect mode.
&M3	Manual dialing only and synchronous connect mode.
&M4	V.25bis BISYNC command and synchronous connect mode (ASCII).
&M5	V.25bis SDLC command and synchronous connect mode (NRZ).
&M6	V.25bis asynchronous command and synchronous connect mode.
&M7	V.25bis asynchronous command and asynchronous connect mode.
&M8	V.25bis BISYNC command and synchronous connect mode (EBCDIC).
&M9	V.25bis asynchronous command and synchronous connect mode (EBCDIC, NRZ).
&M10	V.25bis SDLC command and synchronous connect mode (ASCII, NRZ).
&M11	V.25bis SDLC command and synchronous connect mode (EBCDIC, NRZ).

CONFIGURATION PROFILES
Type:	Immediate
Format:	AT [cmds] &V [cmds]
Description:	Displays active and stored configuration profiles
Command	Function
&V0	Displays configuration profiles
&V1	Displays received signal options
&V2	Displays active profile

CTS SIGNAL
Type:	Configuration
Format:	AT [cmds] &Rn [cmds]
Description:	Selects the function of the CTS signal.
Command	Function
&R0	RTS to CTS delay enabled.
í &R1	CTS forced high.
&R2	CTS follows CD.
&R9	CTS follows RTS.

DATA TERMINAL READY (DTR)
Type:	Configuration
Format:	AT [cmds] &Dn [cmds]
Description:	Selects modem response to DTR
Command	Function
í&D0	DTR override
&D1	DTR toggle causes online command mode
&D2	Normal DTR operations
&D3	Resets on receipt of DTR

DCD SIGNAL
Type:	Configuration
Format:	AT [cmds] &Cn [cmds]
Description:	Configures the behavior of the DCD signal.
Command	Function
í &C0	DCD forced high.
&C1	DCD normal.
&C2	DCD forced high except during handshaking and disconnecting.
&C3	DCD follows remote RTS signal.

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.
DS=n	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 .5sec before returning on-hook.
D@	Wait for Quite 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.

DSR SIGNAL
Type:	Configuration
Format:	AT [cmds] &Sn [cmds]
Description:	Controls the behaviour of the DSR signal.
Command	Function
í &S0	DSR forced high.
&S1	DSR normal.
&S2	DSR normal, except forced low on disconnect.
&S3	DSR follows OH.

EXTENDED RESULT CODES
Type:	Configuration
Format:	AT [cmds] Wn [cmds]
Description:	Enables selection of additional result codes.
Command	Function
W0	Negotiation displays disabled
W1	Negotiation displays enabled
W2	Enables CONNECT result codes to report DCE speed

FACTORY DEFAULT PROFILE
Type:	Configuration
Format:	AT [cmds] &Fn [cmds]
Description:	Sets values in active profile to values found in the default profile
Command	Function
&F0	Load factory profile 1
&F1	Load factory profile 1
&F1	Load factory profile 2
&F3	Load factory profile 3
&F4	Load factory profile 4
&F5	Load factory profile 5
&F6	Load factory profile 6
&F7	Load factory profile 7
&F8	Load factory profile 8
&F9	Load factory profile 9

HANG UP MODE
Type:	Immdeiate/Configuration
Format:	AT [cmds] Hn [cmds]
Description:	Commands the modem to go on- or off-hook, and selects how the modem will hang up.
Command	Function
H0	Modem commanded to go on-hook (hang up).
H1	Modem commanded to go off-hook (pick up).
H2	Set hang up mode to normal on next ATH0 command
H3	Set hang up mode to fast on next ATH0 command

LINE TYPE
Type:	Configuration
Format:	AT [cmds] &Ln [cmds]
Description:	Selects line type
Command	Line Type
&L0	Switched line (PSTN/Dial-up)
&L1	2-wire leased-line
&L2	4-wire leased-line

LONG SPACE DISCONNECT
Type:	Configuration
Format:	AT [cmds] Yn [cmds]
Description:	Commands the modem to disconnect after a 4 second break is detected
Command	Function
Y0	Long space disconnect function disabled
Y1	Long space disconnect function enabled

PULSE DIALING RATIO
Type:	Configuration
Format:	AT [cmds] &Pn [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] In [cmds]
Description:	Displays information requested
Command	Function
I0	Reports product code
I1	Reports EPROM checksum
I3	Reports product version
I4	Reports Motorola V.3600
I5	Report reason for last disconnect

RESTORE PROFILE ON POWER-UP
Type:	Configuration
Format:	AT [cmds] &Yn [cmds]
Description:	Restores a selected profile into the active profile on power-up (hard reset) &Y? displays power-up profile
Command	Function
&Y0	Restore profile 1 on power-up
&Y1	Restore profile 2 on power-up

RESULT CODES
Type:	Configuration
Format:	AT [cmds] Qn [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

SOFT RESET
Type:	Immediate
Format:	AT [cmds] Zn [cmds]
Description:	Restores modem profiles previously saved in non-volatile RAM using the &W command.
Command	Function
Z0	Restore setting 1
Z1	Restore setting 2

SPEAKER VOLUME
Type:	Configuration
Format:	AT [cmds] Ln [cmds]
Description:	Controls speaker volume
Command	Function
L0	Low volume setting
L1	Low volume setting
L2	Low volume setting
L3	High volume setting

AUTO-RELIABLE TIME BUFFER CONFIGURATION
Type:	Configuration
Format:	AT [cmds] \Cn [cmds]
Description:	Controls the handling of incoming data during auto-reliable time period
Command	Function
í \C0	Data is discarded
\C1	Data is buffered

AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD
Type:	Configuration
Format:	AT [cmds] %En [cmds]
Description:	Controls auto-retrain mode and fallback/fall-forward
Command	Function
%E0	Auto-retrain disabled
%E1	Auto-retrain enabled

BREAK SEND
Type:	Configuration
Format:	AT [cmds] \Bn [cmds]
Range:	1-255
Default:	35
Unit:	20ms
Description:	Sends break to modem

BREAK TYPE
Type:		Configuration
Format:		AT [cmds] \Kn [cmds]
Description:		Configures action of break signal.
Command	Break from DTE connect state, reliable/normal mode		Break from DTE Direct mode	Modem receives \B	Break issued: command state, reliable/normal mode
\K0	Enter command mode, do not send break to remote modem.		Send break to remote modem immediately, then enter command mode.	Buffers cleared and break sent to remote modem.	Buffers cleared and break sent to DTE.
\K1	Buffers cleared and break sent to remote modem.		Send break to remote modem immediately.	Buffers cleared and break sent to remote modem.	Buffers cleared and break sent to DTE.
\K2	Enter command mode, do not send break to remote modem.		Send break to remote modem immediately, then enter command mode.	Send break to remote modem immediately.	Send break to DTE immediately.
\K3	Send break to remote modem immediately.		Send break to remote modem immediately.	Send break to remote modem immediately.	Send break to DTE immediately.
\K4	Enter command mode, do not send break to remote modem.		Send break to remote modem immediately, then enter command mode.	Send break to remote modem with transmitted data.	Break sent with received data to the DTE.
í \K5	Send break with transmitted data.		Send break to remote modem immediately.	Send break to remote modem with transmitted data.	Break sent with received data to the DTE.

COMPRESSION
Type:	Configuration
Format:	AT [cmds] %Cn [cmds]
Description:	Selects data compression
Command	Function
%C0	Data compression disabled
í %C1	V.42bis enabled on transmit and receive data
%C2	V.42bis enabled on transmit data
%C3	V.42bis enabled on receive data

CONNECT MODE
Type:	Configuration
Format:	AT [cmds] \Nn [cmds]
Description:	Controls the type of connection the modem will operate in
Command	Function
\N0	Normal mode enabled
\N1	Direct mode enabled
\N2	Reliable mode enabled
\N3	Auto-reliable mode enabled
\N4	V.42 reliable mode enabled
\N5	MNP reliable mode enabled
\N6	V.42 or MNP reliable mode enabled
í \N7	V.42, MNP or normal mode enabled

CONNECTION SPEED LOWER LIMIT
Type:	Configuration
Format:	AT [cmds] %Ln [cmds]
Description:	Sets slowest allowed connection speed.
Command	Function
%L0	No minimum speed.
%L1	No minimum speed.
%L2	Select 1200bps minimum speed.
%L3	Select 2400bps minimum speed.
%L4	Select 4800bps minimum speed.
%L5	Select 9600bps uncoded minimum speed.
%L6	Select 9600bps minimum speed.
%L7	Select 7200bps minimum speed.
%L8	Select 12Kbps minimum speed.
%L9	Select 14.4Kbps minimum speed.
%L11	Select 16.8Kbps minimum speed.
%L12	Select 19.2Kbps minimum speed.
%L13	Select 21.6Kbps minimum speed.
%L14	Select 24Kbps minimum speed.
%L15	Select 26.4Kbps minimum speed.
%L16	Select 28.8Kbps minimum speed.
%L17	Select 31.2Kbps minimum speed.
%L18	Select 33.6Kbps minimum speed.

CONNECTION SPEED UPPER LIMIT
Type:	Configuration
Format:	AT [cmds] %Bn [cmds]
Description:	Sets fastest allowed connection speed.
Command	Function
%B0	Follow serial port speed.
%B1	Select 300bps maximum speed.
%B2	Select 1200bps maximum speed.
%B3	Select 2400bps maximum speed.
%B4	Select 4800bps maximum speed.
%B5	Select 9600bps uncoded maximum speed.
%B6	Select 9600bps maximum speed.
%B7	Select 7200bps maximum speed.
%B8	Select 12Kbps maximum speed.
%B9	Select 14.4Kbps maximum speed.
%B11	Select 16.8Kbps maximum speed.
%B12	Select 19.2Kbps maximum speed.
%B13	Select 21.6Kbps maximum speed.
%B14	Select 24Kbps maximum speed.
%B15	Select 26.4Kbps maximum speed.
%B16	Select 28.8Kbps maximum speed.
%B17	Select 31.2Kbps maximum speed.
%B18	Select 33.6Kbps maximum speed.

DISCONNECT BUFFER DELAY
Type:	Configuration
Format:	AT [cmds] %Dn [cmds]
Range:	0-255
Unit:	1 second
Description:	Sets the length of time that the modem processes data in its send and receive buffers before it disconnects.

DISPLAY PRODUCT VERSION
Type:	Immediate
Format:	AT [cmds] %V [cmds]
Description:	Displays product version.

FLOW CONTROL TYPE
Type:	Configuration
Format:	AT [cmds] \Qn [cmds]
Description:	Sets type of flow control used by modem
Command	Function
\Q0	Flow control disabled
\Q1	Bi-directional XON/XOFF flow control enabled
\Q2	DTE RTS/CTS flow control enabled
í \Q3	Bi-directional RTS/CTS flow control enabled
\Q4	DCE flow control disabled
\Q5	DCE XON/XOFF flow control enabled
\Q6	DCE RTS/CTS flow control enabled
\Q7	DCE RTS/CTS flow control enabled

LOCK SERIAL PORT
Type:	Configuration
Format:	AT [cmds] \Jn [cmds]
Description:	Sets operation of serial port speed
Command	Function
í \J0	Serial speed locked
\J1	Serial speed follows connect speed
\J2	230.4Kbps DTE speed enabled
\J3	230.4Kbps DTE speed disabled

REMOTE CONFIGURATION
Type:	Configuration
Format:	AT [cmds] %T=n [cmds] AT [cmds] D<#>%Tn [cmds]
Description:	Initiates a remote configuration session. This command may follow a dial command, omitting the equal sign, to initiate remote configuration immediately on connection. %T with no parameter will quit the current session.

REMOTE CONFIGURATION PASSWORD
Type:	Configuration
Format:	AT [cmds] %P1=nnnn [cmds]
Default:	N/A
Range:	0-99999999, D, <none>
Description:	Sets the security code that a remote modem must send to begin a remote configuration sessions. If nnnn is omitted, the code will be cleared; if a D is given, remote configuration is disabled.

RETRAIN SENSITIVITY
Type:	Configuration
Format:	AT [cmds] %Rn [cmds]
Description:	Sets how poor line conditions must be before the modem will initiate a retrain.
Command	Function
%R0	Modem will not initiate retrain.
%R1	Modem will initiate retrain when the Bit Error Rate exceeds 10-5.
%R2	Modem will initiate retrain when the Bit Error Rate exceeds 10-4.
%R3	Modem will initiate retrain when the Bit Error Rate exceeds 10-3.

RING INDICATOR
Type:	Configuration
Format:	AT [cmds] \Rn [cmds]
Description:	Controls the behavior of the ring indicator signal on pin 22 of the serial port.
Command	Function
\R0	Ring indicate signal high during rings and forced high for duration of call.
\R1	Ring indicate signal high during rings only.

V.42 DETECTION
Type:	Configuration
Format:	AT [cmds] \Mn [cmds]
Description:	Enables/disables fast data sequence expedite V.42 link negotiation
Command	Function
\M0	V.42 fast data sequence enabled
í \M1	V.42 fast data sequence disabled

ANSWER/ORIGINATE
Type:	Configuration
Format:	AT [cmds] *ORn [cmds]
Description:	Selects either answer or originate mode in leased line operation
Command	Function
*OR0	Originate mode enabled
*OR1	Answer mode enabled

AUTO-ANSWER OVERRIDE
Type:	Immediate
Format:	AT [cmds] *IC [cmds]
Description:	Instructs the modem to ignore the incoming call, if the modem is set to automatically answer.

AUTO-DIAL STORED NUMBER
Type:	Configuration
Format:	AT [cmds] *Aun [cmds]
Range:	0-9
Description:	Sets the auto-dialing function to dial the number stored in memory location n.

BILATERAL DIGITAL LOOPBACK
Type:	Configuration
Format:	AT [cmds] *DGn [cmds]
Description:	Enables/disables bilateral loopback test
Command	Function
í *DG0	Bilateral digital loopback test disabled
*DG1	Bilateral digital loopback test enabled

CALLBACK NUMBER
Type:	Configuration
Format:	AT [cmds] $Cn=x [cmds]
Description:	Programs callback number x and assigns it to user number n. Required for security levels 2 & 3.

CALLER ID
Type:	Configuration
Format:	AT [cmds] *IDn [cmds]
Description:	Controls the Caller ID function
Command	Function
*ID0	Caller ID disabled
*ID1	Caller ID enabled

COMMAND SET
Type:	Configuration
Format:	AT [cmds] *NTn [cmds]
Description:	Disables the AT command set.
Command	Function
*NT0	Command set disabled.
*NT1	Command set enabled.

DIAL BACKUP
Type:	Configuration
Format:	AT [cmds] *DBn [cmds]
Description:	Controls dial backup operation
Command	Function
*DB0	Manual dial backup enabled
*DB1	Automatic dial backup enabled

DISCONNECT RESET
Type:	Configuration
Format:	AT [cmds] *ROn [cmds]
Description:	Selects whether the modem will reset on disconnect.
Command	Function
*RO0	Modem will not reset on disconnect.
*RO1	Modem will reset on disconnect.

DISPLAY SERIAL NUMBER
Type:	Immediate
Format:	AT [cmds] $V [cmds]
Description:	Displays product serial number.

DISPLAY STORED NUMBERS
Type:	Immediate
Format:	AT [cmds] *ND [cmds]
Description:	Displays all stored phone numbers.

DISTINCTIVE RING
Type:	Configuration
Format:	AT [cmds] *DR=n [cmds]
Description:	Controls the Distinctive Ring function
Command	Function
*DR=0	Distinctive Ring disabled
*DR=1	Distinctive Ring enabled

EXTENDED PASSWORD FEATURES
Type:	Configuration
Format:	AT [cmds] $Wn [cmds]
Description:	Sets extended password features. Command set by superuser (system administrator) $W? queries setting
Command	Function
$W0	Clears extended settings
$W1	Enables a regular user to change his password and callback number
$W2	Enables a remote user to gain superuser privileges

FORCE RETRAIN
Type:	Immediate
Format:	AT [cmds] *RRn [cmds]
Description:	Forces the modem to attempt to retrain to the selected speed.
Command	Function
*RR0	Attempt 2400bps speed.
*RR1	Attempt 4800bps speed.
*RR2	Attempt 7200bps speed.
*RR3	Attempt 9600bps speed.
*RR4	Attempt 12Kbps speed.
*RR5	Attempt 14.4Kbps speed.
*RR6	Attempt 16.8Kbps speed.
*RR7	Attempt 19.2Kbps speed.
*RR8	Attempt 21.6Kbps speed.
*RR9	Attempt 24Kbps speed.
*RR10	Attempt 26.4Kbps speed.
*RR11	Attempt 28.8Kbps speed.
*RR12	Attempt 31.2Kbps speed.
*RR13	Attempt 33.6Kbps speed.

HELP SCREENS
Type:	Immediate
Format:	AT $H=xxxx
Description:	Shows help screens. If a string is included as shown in the example, the modem will search for the string; otherwise, the whole help section will be displayed.

HIGH SECURITY ENABLE
Type:	Configuration
Format:	AT [cmds] $EH=x [cmds]
Description:	Enables security for password x. Superuser password must be specified

ILLEGAL ATTEMPT COUNTER
Type:	Configuration
Format:	AT [cmds] $Mn [cmds]
Description:	Keeps count of illegal attempts by users to gain superuser status. Superuser may enter user account n to reset count of specific user. $M* resets illegal attempt count for all users.

LINE CURRENT DISCONNECT
Type:	Configuration
Format:	AT [cmds] *LCn [cmds]
Description:	Causes the modem to disconnect if the telephone line’s current drops.
Command	Function
*LC0	Line current disconnect disabled
*LC1	Disconnect after 8ms if current is lost.
*LC2	Disconnect after 90ms if current is lost.

LOCAL ANALOG LOOPBACK
Type:	Configuration
Format:	AT [cmds] *LAn [cmds]
Description:	Enables/disables DTE controlled local analog loopback
Command	Function
í *LA0	Local analog loopback disabled. Pin 18 toggle ignored
*LA1	Local analog loopback enabled (pin 18)

LOCAL LOGOFF
Type:	Configuration
Format:	AT [cmds] $$ [cmds]
Description:	Allows user to logoff after local session

LOCAL LOGON
Type:	Configuration
Format:	AT [cmds] $n=x [cmds]
Description:	Allows user n secure logon with password x

LOCAL SERIAL PORT SPEED CHANGE ON PIN 23
Type:	Configuration
Format:	AT [cmds] *FBn [cmds]
Description:	Selects whether a voltage transition on pin 23 will cause the modem to change the serial port speed.
Command	Function
*FB0	Pin 23 transition ignored.
*FB1	Pin 23 negative causes modem to increase serial port speed; pin 23 positive causes modem to decrease serial port speed.

MANUAL DIAL BACKUP
Type:	Configuration
Format:	AT [cmds] *LDn [cmds]
Description:	Autodials the number if modem is in originate mode and manual dial backup is selected. Available for leased line operation only

MODULATION PROTOCOLS
Type:	Configuration
Format:	AT [cmds] *MMn [cmds]
Description:	Selects the protocol to use on the next connection.
Command	Function
*MM0	Auto-detect fastest common protocol.
*MM1	V.21.
*MM2	Bell 103.
*MM4	Bell 212A.
*MM5	V.22bis.
*MM6	V.27bis 4-wire leased line
*MM8	V.29 4-wire leased line
*MM10	V.33 4-wire leased line
*MM11	V.32bis.
*MM12	V.34.

PASSWORD SELECTION
Type:	Configuration
Format:	AT [cmds] $C=x, y [cmds]
Description:	Changes password where x represents the old password and y the new password. Setting y to (-) deletes password x from memory and disables security features

PASSWORD SELECTION
Type:	Configuration
Format:	AT [cmds] $Pn=x [cmds]
Range (n):	0 - 50
Range (x):	4 - 34
Unit (x):	ASCII
Description:	Selects password x and assigns it to user number n. Superuser privileges are given to user number 1.

REMOTE CONFIGURATION
Type:	Configuration
Format:	AT [cmds] *RAn [cmds]
Description:	Enables/disables remote configuration
Command	Function
*RA0	Remote configuration disabled
*RA1	Remote configuration disabled

REMOTE CONNECTION SPEED
Type:	Configuration
Format:	AT [cmds] *RBn [cmds]
Description:	Forces the DTE speed to selected setting
Command	Function
*RB0	300bps
*RB1	600bps
*RB2	1200bps
*RB3	2400bps
*RB4	4800bps
*RB5	7200bps
*RB6	9600bps
*RB7	12.0Kbps
*RB8	14.4Kbps
*RB9	16.8Kbps
*RB10	19.2Kbps
*RB11	21.6Kbps
*RB12	24.0Kbps
*RB13	26.4Kbps
*RB14	28.8Kbps
*RB15	28.4Kbps
*RB16	57.6Kbps
*RB17	115.2Kbps

REMOTE DIGITAL LOOPBACK
Type:	Configuration
Format:	AT [cmds] *RDn [cmds]
Description:	Enables/disables DTE controlled remote digital loopback
Command	Function
í *RD0	Remote digital loopback disabled. Pin 21 toggle ignored
*RD1	Remote digital loopback enabled (pin 21)

REMOTE FORMAT
Type:	Configuration
Format:	AT [cmds] *RFn [cmds]
Description:	Selects number of data bits, number of stop bits and parity in remote configuration
Command	Function
*RF0	7 data bits, mark parity, 1 stop bit
*RF1	7 data bits, no parity, 2 stop bits
*RF2	7 data bits, odd parity, 1 stop bit
*RF3	7 data bits, even parity, 1 stop bit
*RF4	8 data bits, mark parity, 1 stop bit
*RF5	8 data bits, no parity, 1 stop bit
*RF6	8 data bits, odd parity, 1 stop bit
*RF7	8 data bits, even parity, 1 stop bit

REMOTE SAVE
Type:	Configuration
Format:	AT [cmds] *RQn [cmds]
Description:	Selects whether to save or discard remote configuration
Command	Function
*RQ0	Save remote configuration and exit
*RQ1	Discard remote configuration and exit

RESULT CODE MODE
Type:	Configuration
Format:	AT [cmds] *RCn [cmds]
Description:	Selects normal or Motorola result code numbering.
Command	Function
í *RC0	Result code 15 is CONNECT 4800 and code 18 is CONNECT 9600 (standard).
*RC1	Result code 11 is CONNECT 4800 and code 12 is CONNECT 9600 (Motorola).

RETURN TO LEASED LINE FROM DIAL BACKUP
Type:	Configuration
Format:	AT [cmds] *LBn [cmds]
Description:	If modem is in dial backup mode, switches to leased line operation. During leased line operation with forced answer enabled; modem waits for a dial backup call

SECURITY - REPORT BLOCK USER SETTINGS
Type:	Immediate
Format:	AT [cmds] $IBn [cmds]
Description:	Reports security level and callback number for block of ten consecutive numbers starting with user number n. Command set by superuser (system administrator).

SECURITY - REPORT USER SETTINGS
Type:	Immediate
Format:	AT [cmds] $In [cmds]
Description:	Reports security level and callback number for user n. A normal user may only check his own settings

SECURITY DISABLE
Type:	Configuration
Format:	AT [cmds] $D=x [cmds]
Description:	Disables security for password x. $D? queries setting

SECURITY ENABLE
Type:	Configuration
Format:	AT [cmds] $E=x [cmds]
Description:	Enables security for password x. $E? queries setting

SECURITY LEVEL
Type:	Configuration
Format:	AT [cmds] $Ln=x [cmds]
Description:	Assigns security level x to user number n. Command set by superuser (system administrator)

SECURITY RESET
Type:	Configuration
Format:	AT [cmds] $DR[cmds]
Description:	Resets security to its initial state. All passwords are deleted. Not available for remote configuration

SECURITY RESET
Type:	Configuration
Format:	AT [cmds] $F=x$x [cmds]
Description:	Resets security to factory default settings. x=superuser password

STORE PASSWORD
Type:	Configuration
Format:	AT [cmds] $S=x [cmds]
Description:	Sets an empty password to location x. Only effective when password memory is empty or only has one password stored.

SUPERUSER PRIVILEGE
Type:	Configuration
Format:	AT [cmds] $S=x [cmds]
Description:	Allows normal user to gain superuser status by entering superuser password x

SYSTEM STATUS
Type:	Immediate
Format:	AT [cmds] $E? [cmds]
Description:	Queries system security status

TALK/DATA MODE
Type:	Immediate
Format:	AT [cmds] *DAn [cmds]
Description:	Selects talk or data mode.
Command	Function
í *DA0	Talk mode enabled.
*DA1	Data mode enabled.

TRANSMISSION LEVEL - LEASED-LINE
Type	Configuration
Format	AT [cmds] TLn [cmds]
Range	0-30
Unit	-1 dBm
Description	Sets the signal level for transmission over leased-lines

TRANSMISSION LEVEL - SWITCHED LINE
Type:	Configuration
Format:	AT [cmds] *TDn [cmds]
Default:	9
Range:	9-30
Unit:	-1 dBm
Description:	Sets the transmitted signal level when the modem is connected to a switched phone line.

USER REMOVAL
Type:	Configuration
Format:	AT [cmds] $Rn [cmds]
Range (n):	2 - 50
Description:	Removes user n from active status without deleting user information. Command set by superuser (system administrator). Superuser (user number 1) may not be removed from system.

USER STATUS
Type:	Immediate
Format:	AT [cmds] $S? [cmds]
Description:	Queries whether current user has normal or superuser security status

V.32 HANDSHAKE OPTIONS
Type:	Configuration
Format:	AT [cmds] *FTn [cmds]
Description:	Shortens V.32 and V.32bis handshake time.
Command	Function
*FT0	Normal handshake sequence.
*FT1	Training time is shortened by 2 seconds in V.32 and V.32bis modes.

V.34 RETRAIN SENSITIVITY
Type:	Configuration
Format:	AT [cmds] *THn [cmds]
Description:	Sets how poor line conditions must be before the modem will initiate a retrain when in V.34 mode.
Command	Function
*TH0	Modem will initiate retrain when the Bit Error Rate exceeds 10-6.
*TH1	Modem will initiate retrain when the Bit Error Rate exceeds 10-4.
*TH2	Modem will initiate retrain when the Bit Error Rate exceeds 10-2.

V.34 SPLIT-SPEED
Type:	Configuration
Format:	AT [cmds] *ASn [cmds]
Description:	Controls V.34 asymmetric bit rate capability.
Command	Function
*AS0	V.34 split-speed disabled.
*AS1	V.34 split-speed enabled.

AUTO-RELIABLE FALLBACK CHARACTER
Type:	Register
Format:	AT [cmds] S64=n [cmds]
Default:	0
Range:	0-127
Unit:	ASCII
Description:	Sets the character used as the auto-reliable fallback character. S64=0 will disable this function.

BIT-MAPPED REGISTER S14
Format:		AT [cmds] S14=n [cmds]
Range:		0-255
Unit:		Bit-mapped
Description:		Controls echo, result codes and display, dial mode, and answer/originate mode.
Bit	Value	Function
0	0	Not used
1	0 í 1	Command echo disabled Command echo enabled
2	í 0 1	Result codes enabled Result codes disabled
3	0 í 1	Display result codes in numeric format Display result codes in verbose format
4	í 0 1	Smart mode Dumb mode
5	í 0 1	Tone dial enabled Pulse dial enabled
6	í 0 1	Cleardown enabled Cleardown disabled
7	0 í 1	Answer mode enabled Originate mode enabled

BIT-MAPPED REGISTER S21
Format		AT [cmds] S21=n [cmds]
Range:		0-255
Unit:		Bit-mapped
Description:		Selects CTS/DCD/DSR signals, low DTR action, and the long space disconnect function.
Bit	Value	Function
0	í 00 10 01 11	DSR forced high DSR normal DSR off 5 seconds after disconnect DSR follows off-hook
1	00 í 10 01 11	DCD forced high DCD normal DCD off 5 seconds after disconnect DCD follows RTS
2	0 í 1	CTS follows RTS by S26 delay CTS forced high
4, 3	00 01 í 10 11	DTR signal ignored Modem goes to command mode on low DTR Modem disconnects on low DTR; Auto-Answer is disabled. Modem is initialized on low DTR
5	00 í 10 01 11	DCD forced high DCD normal DCD off 5 seconds after disconnect DCD follows RTS
6	í 00 10 01 11	DSR forced high DSR normal DSR off 5 seconds after disconnect DSR follows off-hook
7	0 í 1	Long space disconnect function disabled Long space disconnect function enabled