Card Type	Fax, Modem (synchronous/asynchronous)
Chip Set	Unidentified
Maximum Data Rate	28.8Kbps
Maximum Fax Rate	14.4Kbps
Data Bus	External
Fax Class	Class I
Data Modulation Protocol	Bell 103/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34
Fax Modulation Protocol	ITU-T V.17, V.21CH2, V.27ter, V.29
Error Correction/Compression	MNP5, V.42bis

CONNECTIONS
Function	Label		Function		Label
Line in		CN1		DC power		CN4
Line out		CN2		Power switch		SW1
RS-232/422		CN3

USER CONFIGURABLE SETTINGS
Function	Label	Position
í SMART mode	JP1	Open
DUMB mode	JP1	Closed

DIAGNOSTIC LED(S)
LED	Color		Status		Condition
TST	Red		Blinking		Errors detected and error correction activated
TST	Red		Off		No errors detected
AA	Red		On		Auto-answer enabled
AA	Red		Off		Auto-answer disabled
AA	Red		Blinking		Phone is ringing
CD	Red		On		Carrier signal detected
CD	Red		Off		Carrier signal not detected
CD	Red		Blinking		Modem is retraining
OH	Red		On		Modem is off-hook
OH	Red		Off		Modem is on-hook
RD	Red		On		Modem is receiving data
RD	Red		Off		Modem is not receiving data
SD	Red		On		Modem is transmitting data
SD	Red		Off		Modem is not transmitting data
TR	Red		On		DTR signal is high
TR	Red		Off		DTR signal is low
MR	Red		On		Power is on
MR	Red		Off		Power is off
MR	Red		Blinking		Modem in self-test mode
H Status		M Status		L Status		Condition
Green		Green		Green		Modem operating at 28.8Kbps
Green		Green		Off		Modem operating at 26.4Kbps
Green		Off		Green		Modem operating at 24Kbps
Green		Off		Off		Modem operating at 21.6Kbps
Off		Green		Green		Modem operating at 19.2Kbps
Off		Green		Off		Modem operating at 16.8Kbps
Red		Red		Red		Modem operating at 14.4Kbps
Red		Red		Off		Modem operating at 12Kbps
Red		Off		Red		Modem operating at 9600bps
Red		Off		Off		Modem operating at 7200bps
Off		Red		Red		Modem operating at 4800bps
Off		Red		Off		Modem operating at 2400bps
Off		Off		Red		Modem operating at 1200bps
Off		Off		Off		Modem operating at 300bps

AUTO-RELIABLE FALLBACK CHARACTER
Type:	Configuration
Format:	AT [cmds] %An [cmds]
Default:	19
Range:	0-127
Unit:	ASCII
Description:	Sets the character used as the auto-reliable fallback character; %A0 will disable this function.

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
\C2	Data is discarded; modem returns to normal mode on receiving auto-reliable fallback character.

AUTOMATIC POWER LEVEL ADJUSTMENT
Type:	Configuration
Format:	AT [cmds] %Pn [cmds]
Description:	Controls automatic transmit power level adjustment during leased-line mode
Command	Function
í %P0	Automatic power level adjustment disabled
%P1	Automatic power level adjustment enabled

BIT-MAPPED REGISTER S14
Format:		AT [cmds] S14=n [cmds]
Default:		138
Range:		0-255
Unit:		Bit-mapped
Description:		Controls echo, result codes and display, dial mode, smart/dumb mode, restore profile on power-up, and answer/originate mode.
Bit	Value	Function
0	í 0 1	V.42 extended result code disabled V.42 extended result code enabled
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	Restore profile 0 on power-up Restore profile 1 on power-up
7	0 í 1	Answer mode enabled Originate mode enabled

BIT-MAPPED REGISTER S21
Format		AT [cmds] S21=n [cmds]
Default:		48
Range:		0-254
Unit:		Bit-mapped
Description:		Selects line type, CTS/DCD/DSR signals, low DTR action, and the long space disconnect function.
Bit	Value	Function
0	0	Not used
1	í 0 1	Switched line Leased-line
2	í 0 1	CTS follows RTS 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	0 í 1	DCD forced high DCD normal
6	í 0 1	DSR forced high DSR normal
7	í 0 1	Long space disconnect function disabled Long space disconnect function enabled

BIT-MAPPED REGISTER S22
Format		AT [cmds] S22=n [cmds]
Default:		118
Range:		0-127
Unit:		Bit-mapped
Description:		Controls speaker volume and controls, and limits results codes.
Bit	Value	Function
1, 0	00 01 í 10 11	Low level volume Low level volume Medium level volume High level volume
3, 2	00 í 01 10 11	Speaker off Speaker off on carrier Speaker always on Speaker on during handshake
6 - 4	000 100 101 110 í 111	Basic result codes only enabled Basic and connection speed result codes enabled Basic and connection speed result codes and dialtone detection enabled All result codes except dialtone detection enabled All result codes enabled

BIT-MAPPED REGISTER S23
Format		AT [cmds] S23=n [cmds]
Default:		Unidentified
Range:		0-60
Unit:		Bit-mapped
Description:		Controls DTE rate and parity.
Bit	Value	Function
3 - 0	0000 0001 0010 0011 0100 0101 0110 0111 1000 1001 1010 1011 1100	Sets serial port speed to 110bps Sets serial port speed to 300bps Sets serial port speed to 600bps Sets serial port speed to 1200bps Sets serial port speed to 2400bps Sets serial port speed to 4800bps Sets serial port speed to 9600bps Sets serial port speed to 14400bps Sets serial port speed to 19200bps Sets serial port speed to 38400bps Sets serial port speed to 56700bps Sets serial port speed to 76800bps Sets serial port speed to 115200bps
5, 4	í 00 01 10 11	Parity even Space Parity Parity odd Mark or No Parity

BIT-MAPPED REGISTER S27
Format		AT [cmds] S27=n [cmds]
Default:		5
Range:		0-165
Unit:		Bit-mapped
Description:		Selects synchronous/asynchronous mode, line type, clock source, and ITU-T/Bell modes.
Bit	Value	Function
2 - 0	000 001 010 011 í 101	Asynchronous mode Asynchronous off-line command mode then synchronous connect mode Synchronous terminal support Synchronous connect mode on originating a call Error correction mode
3	í 0	Not used
5, 4	í 00 01 10	Local modem generates transmit clock source Local DTE generates transmit clock source Remote DCE/DTE generates transmit clock source
6, 7	í 00 01 10	ITU/T mode Bell mode ITU/T V.23 at 1200bps (not used on US versions)

BIT-MAPPED REGISTER S28
Format		AT [cmds] S28=n [cmds]
Default:		Unidentified
Range:		0-27
Unit:		Bit-mapped
Description:		Controls automatic power level adjustment and line speed.
Bit	Value	Function
0	í 0 1	Automatic power level adjustment disabled Automatic power level adjustment enabled
4 - 1	0000 0001 0010 0011 0100 0101 0110 0111 1000 1001 1010 1011 1100 1101	Set line speed to 300bps Set line speed to 1200bps Set line speed to 2400bps Set line speed to 4800bps Set line speed to 7200bps Set line speed to 9600bps Set line speed to 12Kbps Set line speed to 14.4Kbps Set line speed to 16.8Kbps Set line speed to 19.2Kbps Set line speed to 21.6Kbps Set line speed to 24Kbps Set line speed to 26.4Kbps Set line speed to 28.8Kbps

BIT-MAPPED REGISTER S40
Format:			AT [cmds] S40=n [cmds]
Default:			3
Range:			0-3
Description:			Sets the maximum transmittable block size
Bit	Value			Function
1, 0		00 01 10 í 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:			0
Range:			0-1
Description:			Selects data compression
Bit	Value			Function
0		í 0 1			Data compression disabled MNP5 enabled

BREAK SEND
Type:	Configuration
Format:	AT [cmds] \Bn [cmds]
Default:	3
Range:	1-9
Unit:	.1 second
Description:	Sends break to modem

COMMUNICATIONS MODE
Type:	Configuration
Format:	AT [cmds] &Qn [cmds]
Description:	Selects communications mode options
Command	Mode
&Q0	Asynchronous mode
&Q1	Asynchronous off-line command mode then synchronous connect mode
&Q2	Synchronous terminal support
&Q3	Synchronous connect mode on originating a call
í &Q5	Error correction mode

COMPRESSION
Type:	Configuration
Format:	AT [cmds] %Cn [cmds]
Description:	Selects data compression
Command	Function
í %C0	Data compression disabled
%C1	MNP5 enabled

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
í \N1	Direct mode enabled
\N2	MNP reliable mode enabled
\N3	Auto-reliable mode enabled

DATA SET READY (DSR)
Type:	Configuration
Format:	AT [cmds] &Sn [cmds]
Description:	Selects DSR options
Command	Function
í &S0	DSR forced high
&S1	DSR high only while modem is handshaking or connected

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

EXTENDED RESULT CODES
Type:	Configuration
Format:	AT [cmds] \Vn [cmds]
Description:	Selects MNP extended result codes
Command	Function
í \V0	MNP extended result codes disabled
\V1	MNP extended result codes enabled

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	XON/XOFF flow control enabled
í \Q2	CTS flow control by DCE enabled
\Q3	Bidirectional RTS/CTS flow control enabled

INACTIVITY TIMER
Type:	Configuration
Format:	AT [cmds] \Tn [cmds]
Default:	0
Range:	0-90
Unit:	1 second
Description:	Sets the length of time that the modem does not receive information before it disconnects.

INACTIVITY TIMER
Type:	Register
Format:	AT [cmds] S39=n [cmds]
Default:	0
Range:	0-90
Unit:	1 second
Description:	Sets the length of time that the modem does not receive information before it disconnects.

MAXIMUM BLOCK SIZE FOR TRANSMISSION
Type:	Configuration
Format:	AT [cmds] \An [cmds]
Description:	Sets the maximum transmittable block size
Command	Function
\A0	MNP block size is 64 characters
\A1	MNP block size is 128 characters
\A2	MNP block size is 192 characters
í \A3	MNP block size is 256 characters

RTS/CTS
Type:	Configuration
Format:	AT [cmds] &Rn [cmds]
Description:	Selects RTS/CTS options
Command	Function
í &R0	CTS follows RTS
&R1	RTS is ignored; CTS forced high.

TEST MODES
Type:		Register
Format:		AT [cmds] S16=n [cmds]
Default:		0
Range:		0-125
Unit:		Bit-mapped
Description:		Controls loopback tests, analog, digital, remote digital, and self tests.
Bit	Value	Function
0	í 0 1	Local analog loopback not in progress Local analog loopback in progress
1	í 0	Not used
2	í 0 1	Local digital loopback not in progress Local digital loopback in progress
3	í 0 1	Modem not in remote digital loopback Remote digital loopback in progress
4	í 0 1	Remote digital loopback not requested Remote digital loopback requested
5	í 0 1	Remote digital loopback w/ self-test not in progress Remote digital loopback w/ self-test in progress
6	í 0 1	Local analog loopback w/ self-test not in progress Local analog loopback w/ self-test in progress

XON/XOFF PASS-THROUGH
Type:	Configuration
Format:	AT [cmds] \Xn [cmds]
Description:	Selects whether XON/XOFF signals are sent to remote modem
Command	Function
\X0	XON/XOFF signals trapped by local modem
í \X1	XON/XOFF passed through local modem