CONNECTIONS
Purpose	Location	Purpose	Location
Menu down	BT1	Line in	CN2
Mode select	BT2	RS-232/422	CN3
Menu up	BT3	DC power	CN4
Line out	CN1	Power switch	SW1

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
TX	Red	On	Modem is transmitting data
TX	Red	Off	Modem is not transmitting data
RX	Red	On	Modem is receiving data
RX	Red	Off	Modem is not receiving data
OH	Red	On	Modem is off-hook
OH	Red	Off	Modem is on-hook
AA	Red	On	Auto-answer enabled
AA	Red	Off	Auto-answer disabled
AA	Red	Blinking	Phone is ringing
EC	Red	On	Error correction enabled
EC	Red	Off	Error correction disabled
MR	Red	On	Power is on
MR	Red	Off	Power is off
TR	Red	On	DTR signal is high
TR	Red	Off	DTR signal is low
RS	Red	On	RTS signal is high
RS	Red	Off	RTS signal is low
CS	Red	On	CTS signal is high
CS	Red	Off	CTS signal is low
CD	Red	On	Carrier signal detected
CD	Red	Off	Carrier signal not detected
CD	Red	Blinking	Modem is retraining

CALLER ID
Type:	Configuration
Format:	AT [cmds] %CCID=n [cmds]
Example:	AT %CCID=2<CR>
Description:	Controls the Caller ID function.
Command	Function
» %CCID=0	Caller ID disabled.
%CCID=1	Caller ID displays formatted data.
%CCID=2	Caller ID displays raw hexadecimal data.

COMMAND SET
Type:	Configuration
Format:	AT [cmds] %DUMBn [cmds]
Example:	AT %DUMB1<CR>
Description:	Disables the AT command set.
Note:	The AT command set is always active for the first 20 seconds after the modem is powered up. AT%DUMB0 can be entered during this time period to re-enable the command set.
Command	Function
» %DUMB0	Command set enabled.
%DUMB1	Command set disabled.

EXTENDED RING
Format:		AT [cmds] S101=n [cmds]
Example:		ATS101=40<CR>
Default:		0
Range:		0 - 255
Unit:		Bit-mapped
Description:		Selects the response to extended ring types.
Bit	Value		Function
0	» 0 1		Do not respond to ring type A. Respond to ring type A.
1	» 0 1		Do not respond to ring type B. Respond to ring type B.
2	» 0 1		Do not respond to ring type C. Respond to ring type C.
3	» 0 1		Do not respond to ring type D. Respond to ring type D.
4	» 0 1		Do not respond to ring type E. Respond to ring type E.
5	» 0 1		Do not respond to ring type F. Respond to ring type F.
6	» 0 1		Do not respond to ring type G. Respond to ring type G.
7	» 0 1		Report RING for all ring types. Report RING n where n is the ring type.

HELP SCREENS
Type:	Immediate
Format:	AT [cmds] $H
Example:	AT $H<CR>
Description:	Shows modem help screens.

LCD DISPLAY STRING ECHO
Type:	Immediate
Format:	AT [cmds] %LCD? [cmds]
Example:	AT %LCD?<CR>
Description:	Returns the first two lines of text on the modem’s LCD display.

LCD DISPLAY STRING SET
Type:	Immediate
Format:	AT [cmds] %LCD="xxxx" [cmds]
Example:	AT %LCD="Preparing the fnord..."<CR>
Description:	Displays up to 24 characters on the first two lines of the modem’s LCD display.

LCD SCROLL RATE - LINE 1
Type:	Register
Format:	AT [cmds] S118=n [cmds]
Example:	ATS118=20<CR>
Default:	10
Range:	0-255
Unit:	.1 second
Description:	Sets the length of time that each message will be displayed on line 1 of the front panel LCD if there are more messages pending.

LCD SCROLL RATE - LINE 2
Type:	Register
Format:	AT [cmds] S119=n [cmds]
Example:	ATS119=5<CR>
Default:	10
Range:	0-255
Unit:	.1 second
Description:	Sets the length of time that each message will be displayed on line 2 of the front panel LCD if there are more messages pending.

REDIAL
Type:	Immediate
Format:	AT [cmds] DL
Example:	AT M1 DL<CR>
Description:	Redials the last number dialed.

REPORT INFORMATION
Type:	Immediate
Format:	AT [cmds] In [cmds]
Example:	AT I1 &W<CR>
Description:	Displays modem properties.
Command	Function
I0	Reports modem model and speed.
I1	Reports checksum number.
I2	Reports checksum result.
I3	Reports firmware version.
I4	Reports current command settings.
I6	Reports current connection’s statistics.

TIME MODE
Type:	Configuration
Format:	AT [cmds] %HOUR=n [cmds]
Example:	AT %HOUR=24<CR>
Description:	Sets the modem’s clock to display in 12- or 24-hour mode
Command	Function
» %HOUR=12	Normal 12-hour mode selected.
%HOUR=24	Military 24-hour mode selected.

TIME SET
Type:	Configuration
Format:	AT [cmds] %TIME=hhmmss [cmds]
Example:	AT %TIME=160401<CR>
Description:	Sets the modem’s clock.
Note:	Time given must be six digits long and in military format.

TEST MODES
Type:	Immediate
Format:	AT [cmds] &Tn
Example:	AT &T6<CR>
Description:	Performs and configures test modes.
Command	Function
&T0	End current test.
&T1	Begin local analog loopback test.
&T3	Begin local digital loopback.
&T4	Grant remote digital loopback request.
&T5	Deny remote digital loopback request.
&T6	Request remote digital loopback
&T7	Request remote digital loopback and self-test.
&T8	Begin local analog loopback and self-test.
&T19	Begin RTS/CTS cable test.
&T99	Begin front panel LCD display test.