CONNECTIONS
Purpose	Location	Purpose	Location
Line in/line out	CN1	Line out/line out	CN2

COM PORT SELECTION
Port	SW1/3	SW1/4
COM1	Closed	Open
COM2	Open	Open
COM3	Closed	Closed
COM4	Open	Closed

FACTORY CONFIGURED SETTINGS
Switch	Setting
SW1/1	Unidentified
SW1/2	Unidentified

RESULT CODE CARRIAGE RETURN
Type:	Configuration
Format:	AT [cmds] %Gn [cmds]
Example:	AT %G1 &W<CR>
Description:	Appends carriage return to result codes.
Command	Function
%G0	Do not append carriage return.
» %G1	Append carriage return.

BUSY OUT
Format	AT [cmds] *Kn [cmds]
Example:	AT*K1<CR>
Default:	_
Range:	0-15
Unit:	Rings.
Description:	Sends busy signal after n rings without DTR signal.

CHARACTER LENGTH
Type:	Configuration
Format:	AT [cmds] \Fn [cmds]
Example:	AT \F3<CR>
Description:	Sets length of character.
Command	Function
__\F0	8 data bits, 1 stop bit, null parity.
\F1	8 data bits, 1 stop bit, odd parity.
\F2	8 data bits, 1 stop bit, even parity.
\F3	8 data bits, 2 stop bits, null parity.
\F4	7 data bits, 1 stop bit, null parity.
\F5	7 data bits, 1 stop bit, ___ parity.
\F6	7 data bits, 1 stop bit, even parity.
\F7	7 data bits, 2 stop bits, null parity.
\F8	7 data bits, 2 stop bits, odd parity.
\F9	7 data bits, 2 stop bits, even parity.
__\F10	Set character length to register S13.

COMPRESSION
Type:	Configuration
Format:	AT %Cn
Example:	AT %C0 *Y1<CR>
Description:	Selects data compression.
Command	Function
%C0	Data compression disabled.
__%C1	Data compression enabled.

CONNECT MODE
Type:	Configuration
Format:	AT [cmds] \Nn [cmds]
Example:	AT \N1 DT555-1212<CR>
Description:	Sets connect mode.
Command	Function
__\N1	Direct mode.
__\N0	Normal mode.
__\N2	Reliable mode.
__\N3	Auto-reliable mode.

DIAL CONTINUOUSLY
Type:	Configuration
Format:	AT [cmds] *Rn
Example:	AT *R0<CR>
Default:	0
Range:	0-9
Unit:	1 dial
Description:	Automatically dials next number in memory n times.

DISPLAY CURRENT COMMAND STATUS
Type:	Immediate
Format:	AT [cmds] \S [cmds]
Example:	AT &Z2=9W1-303-555-1212 \S<CR>
Description:	Displays current setting of modem commands.

DTR DIALING
Type:	Configuration
Format:	AT [cmds] %Dn [cmds]
Example:	AT %D1 DT555-1212<CR>
Description:	Turns DTR dialing on and off.
Command	Function
» %D0	DTR dialing disabled.
%D1	DTR dialing enabled.

ERROR CORRECTION MODE
Type:	Configuration
Format:	AT [cmds] *Yn [cmds]
Example:	AT *Y1 %C1<CR>
Description:	Selects active error-correction protocols.
Command	Function
*Y0	Auto-detect mode.
» *Y1	MNP and V.42bis enabled.
*Y2	V.42bis only enabled.
*Y3	MNP only enabled.

FLOW CONTROL
Type:	Configuration
Format:	AT [cmds] %Fn [cmds]
Example:	AT %F1 &K3<CR>
Description:	Selects flow control.
Command	Function
%F0	Flow control disabled.
%F1	Flow control enabled for DTE and DCE
» %F2	Flow control enabled.

FLOW CONTROL PASSTHROUGH
Type:	Configuration
Format:	AT [cmds] *Pn [cmds]
Example:	AT *P0 &W<CR>
Description:	Allows modem to act on, then transmit XON/XOFF characters.
Command	Function
» *PO	Passthrough enabled.
*P1	Passthrough disabled.

FLOW CONTROL TYPE
Type:	Configuration
Format:	AT [cmds] \Qn [cmds]
Example:	AT \Q0 A<CR>
Description:	Sets type of flow control used by modem.
Command	Function
» \Q0,\Q1,\Q2	XON/XOFF flow control enabled.
\Q3	CTS/RTS flow control enabled.

INACTIVITY TIMER
Type:	Register
Format:	AT [cmds] \Tn [cmds]
Example:	AT\T20<CR>
Default:	0
Range:	0-255
Unit:	1 second
Description:	Sets the length of time that the modem does not receive information before it disconnects.

INITIALIZATION STRING
Type:	Configuration
Format:	AT [cmds] *Vn=<cmds>
Example:	AT *V1=ATS11=45 M0<CR>
Description:	Stores string to be executed on power up or reset.

INITIALIZATION STRING DISPLAY
Type:	Immediate
Format:	AT [cmds] *V?
Example:	AT *V?<CR>
Description:	Displays stored strings to be executed on power up or reset.

LEASED LINE RECEIVE ATTENUATION
Type:	Configuration
Format:	AT [cmds] %Ln [cmds]
Example:	AT %L1 &W<CR>
Description:	Sets the attenuation for reception when in leased-line mode.
Command	Function
%L0	0 to -43 dB
» %L1	0 to -33 dB
%L2	0 to -26 dB
%L3	0 to -16 dB

LEASED LINE TRANSMISSION ATTENUATION
Type:	Configuration
Format:	AT [cmds] %Tn [cmds]
Example:	AT %T12<CR>
Default:	15
Range:	0 - 15
Unit:	.5 dB
Description:	Sets the attenuation for transmission when in leased-line mode.

NEGOTIATE LINE SPEED
Type:	Configuration
Format:	AT [cmds] %Qn [cmds]
Example:	AT %Q1 &W<CR>
Description:	Allows modem to negotiate down to Bell 202/V.23 while in answer mode
Command	Function
» %Q0	Bell 202/V.23 mode disabled.
%Q1	Substitute 300bps modes with Bell 202/V.23 when answering.

PULSE MODE INTERDIGIT DELAY
Type:	Configuration
Format:	AT [cmds] %Pn [cmds]
Example:	AT %N1 %P1 P<CR>
Description:	Sets interval between digits in pulse mode.
Command	Function
» %P0	750ms
%P1	650ms
%P2	850ms

PULSES PER DIGIT
Type:	Configuration
Format:	AT [cmds] %Nn [cmds]
Example:	AT %N1 %P1 P<CR>
Description:	Sets the number of pulses per digit dialed while in pulse mode.
Command	Function
» %N0	Digit value is number of pulses (0 digit generates 10 pulses).
%N1	Digit value minus ten pulses generated (0 digit generates 10 pulses).
%N2	Digit value plus one pulses generated (0 digit generates 1 pulse).

CD SIGNAL
Type:	Configuration
Format:	AT [cmds] %Vn [cmds]
Example:	AT %V0 Q0<CR>
Description:	CD signal state reflects remote modem’s RTS status.
Command	Function
» %V0	CD normal.
%V1	CD controlled by remote RTS signal.

RESET MODEM TO STORED PROFILE
Type:	Immediate
Format:	AT [cmds] %Sn [cmds]
Example:	AT%S6<CR>
Description:	Resets modem to stored profile.

ROAD KEY CUSTOMIZE
Type:	Configuration
Format:	AT [cmds] *A^x^x^x^x [cmds]
Example:	AT *A^M^H^I^I &W<CR>
Description:	Sets the key for Remote Options Access and Downloading (^ indicates ctrl key depressed). The default is ^R^O^A^D.

RESULT CODE FORMAT
Type:	Configuration
Format:	AT [cmds] \Vn [cmds]
Example:	AT \V0 Q0<CR>
Description:	Selects word or numeric format for information-text and result codes.
Command	Function
\V1	Numeric format enabled.
\V0	Verbose (word) format enabled.

ROAD INITIATE
Type:	Immediate
Format:	AT [cmds] *U [cmds]
Example:	AT *B0 *U O<CR>
Description:	Commands the modem to transmit stored Remote Access Options and Downloading key. The modem must have already connected.

ROAD KEY ENABLE
Type:	Configuration
Format:	AT [cmds] *Bn [cmds]
Example:	AT *B0 *U O<CR>
Description:	Enables Remote Options Access and Downloading.
Command	Function
» *B0	R.O.A.D. disabled.
*B1	R.O.A.D. enabled.

S-REGISTER DISPLAY
Type:	Immediate
Format:	AT [cmds] %R [cmds]
Example:	AT %R &W<CR>
Description:	Display contents of all S-registers.

SOFTWARE SETUP
Type:	Configuration
Format:	AT [cmds] *Sn [cmds]
Example:	AT *S1<CR>
Description:	Configures modem to communicate with specific communications software.
Command	Function
» *S0	Normal mode, Crosstalk compatible.
*S1	Smartcom II Ver. 3.0 compatible.
*S3	Smartcom III Ver. 1.0 compatible.

TIME AND DATE DISPLAY
Type:	Immediate
Format:	AT [cmds] \D? [cmds]
Example:	AT \D0=12:30 \D1=03/26 \D?<CR>
Description:	Display time and date.

TIME AND DATE SET
Type:	Configuration
Format:	AT [cmds] \Dn=xxxx [cmds]
Example:	AT \D0=12:30 \D1=03/26 \D?<CR>
Description:	Sets time and date.
Command	Function
\D0	Set time.
\D1	Set date.

COMMAND SET - V.25bis
Type:	Configuration
Format:	AT [cmds] V.25
Example:	AT V.25<CR>
Description:	Enables V.25bis mode.

AT COMMAND SET
Type:	Immediate
Format:	ATC
Example:	ATC<CR>
Description:	Switch to AT command set.

CLEAR STORED NUMBER
Type:	Configuration
Format:	CLAnn
Example:	CLA 07 <CR>
Description:	Deletes number stored at memory location n.

DISPLAY STORED NUMBERS
Type:	Immediate
Format:	RLNn
Example:	RLN2<CR>
Description:	Display insecure number in memory location n. If no number is given, all insecure numbers will be displayed.

REDIAL
Type:	Immediate
Format:	DLN
Example:	DLN<CR>
Description:	Redial last number dialed by CRN command.

STORED NUMBERS LIST
Type:	Result code
Format:	LSNxxxx
Example:	LSN 443-3388
Description:	Displays stored numbers. xxxx may specify a memory location, phone number, or status. If no code was specified with RLN, all stored numbers are displayed.