Card Type	Fax, Modem (asynchronous), Voice
Chip Set	Unidentified
I/O Options	Speakerphone, Voicemail
Maximum Data Rate	28.8Kbps
Maximum Fax Rate	14.4Kbps
Data Bus	PCMCIA Type II
Fax Class	Class I & II
Data Modulation Protocol	Bell 103/212A 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	MNP10, V.42bis

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
í %E2	Auto-fallback/fall-forward enabled

BIT-MAPPED REGISTER S14
Format:		AT [cmds] S14? [cmds]
Default:		Read-only
Range:		0-174
Unit:		Bit-mapped
Description:		Controls echo, result codes and display, dial mode, and answer/originate mode.
Bit	Value	Function
0	í 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	Not used
5	í 0 1	Tone dial enabled Pulse dial enabled
6	í 0	Not used
7	0 í 1	Answer mode enabled Originate mode enabled

BIT-MAPPED REGISTER S21
Format		AT [cmds] S21? [cmds]
Default:		Read-only
Range:		0-252
Unit:		Bit-mapped
Description:		Selects CTS/DCD/DSR signals, low DTR action, and the long space disconnect function.
Bit	Value	Function
1, 0	00	Not used
2	0 í 1	CTS forced high CTS follows RTS
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? [cmds]
Default:		Read-only
Range:		0-127
Unit:		Bit-mapped
Description:		Controls speaker volume and controls, and limits results codes.
Bit	Value	Function
1, 0	00 01 10 í 11	Off volume Low level volume Low level volume Low 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? [cmds]
Default:		Read-only
Range:		0-189
Unit:		Bit-mapped
Description:		Grants/denies remote digital loopback, controls DTE rate and parity, and sets guard tone.
Bit	Value	Function
0	í 0 1	Remote digital loopback denied Remote digital loopback allowed
3 - 1	000 001 010 í 011 100 101 110	Sets serial port speed to 0-300bps 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 19200bps
5, 4	00 01 10 í 11	Parity even Not used Parity odd No Parity
7, 6	í 00 01 10	Guard tone disabled Guard tone disabled Guard tone 1800Hz enabled

BIT-MAPPED REGISTER S27
Format		AT [cmds] S27=n [cmds]
Default:		Read-only
Range:		0-74
Unit:		Bit-mapped
Description:		Selects asynchronous mode and ITU-T/Bell modes.
Bit	Value	Function
3, 1, 0	000 í 101 110	Direct asynchronous mode Reliable asynchronous mode Normal asynchronous mode
5, 4, 2	í 0	Not used
6	í 0 1	ITU/T mode Bell mode

BIT-MAPPED REGISTER S28
Format		AT [cmds] S28? [cmds]
Default:		Read-only
Range:		0-128
Unit:		Bit-mapped
Description:		Controls MNP10 link negotiation
Bit	Value	Function
5 - 0	0	Not used
7, 6	í 00 01 10	Link will be negotiated at highest possible speed Link will be negotiated at 1200bps Link will be negotiated at 4800bps

BIT-MAPPED REGISTER S31
Format:		AT [cmds] S31? [cmds]
Default:		Read-only
Range:		0-202
Description:		Select automode and extended result code format.
Bit	Value		Function
0	í 0		Not used
1	0 í 1		Auto-mode detection disabled; In originate mode or answer mode, handshake occurs only in mode designated by S37 register. In originate mode, handshake begins at line speed designated by the S37 register. Modem can shift to a slower speed if necessary. In answer mode, handshake attempted with the following protocols in order - V.FC, V.32terbo, V.32bis, V.32, V.22bis, V.22 or Bell 212, V.21, and Bell 103
3, 2	í 00 01 10		Enables CONNECT result codes to report DTE speed Full reporting of CONNECT result codes Enables CONNECT result codes to report DCE speed
5, 4	í 00		Not used
7, 6	í 11		Not used

BIT-MAPPED REGISTER S40
Format		AT [cmds] S40? [cmds]
Default:		Read-only
Range:		0-238
Unit:		Bit-mapped
Description:		Controls power level and break handling; selects MNP extended services, and block size.
Bit	Value	Function
1, 0	í 00 01 10	MNP extended services disabled MNP extended services enabled MNP extended services enabled; except during LAP-M answer detection phase.
2	í 0 1	Power level adjustment enabled Power level adjustment disabled
5, 4, 3	000 001 010 011 100 í 101	\K0 \K1 \K2 \K3 \K4 \K5
7, 6	00 01 í 10 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? [cmds]
Default:		Read-only
Range:		0-219
Unit:		Bit-mapped
Description:		Selects compression, auto-retrain, flow control, MNP10 fall-back, and MNP mode.
Bit	Value	Function
1 - 0	00 01 10 í 11	Data compression disabled MNP5 enabled V.42bis enabled MNP5 and V.42bis enabled
6, 2	00 01 í 10	Auto-retrain disabled Auto-retrain enabled Auto-fallback/fall-forward enabled
3	í 0 1	Flow control disabled Flow control enabled
4	í 0 1	Stream mode for MNP Block mode for MNP
5	í 0	Not used
7	0 í 1	MNP10 at 4800bps enabled MNP10 at 2400 and 1200bps enabled

BIT-MAPPED REGISTER S201
Format:		AT [cmds] S201=n [cmds]
Default:		50
Range:		0-190
Description:		Controls power level, and compromise equalizer.
Bit	Value		Function
4 - 0	00000 00001 00010 ... 01010 01011 ...to... í 10010 ...to... 11110			Initial power level -26dBm Initial power level -30dBm Initial power level -10dBm ... Initial power level -10dBm Initial power level -11dBm ...to... Initial power level -18dBm ...to... Initial power level -30dBm
5	0 í 1			Equalizer disabled Equalizer enabled
6	í 0			Not used
7	í 0 1			MNP10EC disabled MNP10EC enabled

BIT-MAPPED REGISTER S210
Format:		AT [cmds] S210=n [cmds]
Default:		13
Range:		0-13
Description:		Selects symbol rates and controls asymmetric rates.
Bit	Value		Function
2 - 0	000 001 010 011 100 í 101		2400 2400 2400, 2800 2400, 2800, 3000 2400, 2800, 3000, 3200 2400, 2800, 3000, 3200, 3429
3	0 í 1		Disable V.34 asymmetric rate Enable V.34 asymmetric rate

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

BREAK TYPE
Type:		Configuration
Format:		AT [cmds] \Kn [cmds]
Description:		Configures action of break signal
Command	Break from DTE		Modem receives \B	Break received from remote modem
\K0	Online command mode enabled, send no break to remote modem		Break sent to remote modem and buffered cleared	Buffers cleared, break sent to DTE
\K1	Break sent to remote modem and buffered cleared		Break sent to remote modem and buffered cleared	Buffers cleared, break sent to DTE
\K2	Online command mode enabled, send no break to remote modem		Send break to remote modem immediately	Break sent immediately to DTE
\K3	Send break to remote modem immediately		Send break to remote modem immediately	Break sent immediately to DTE
\K4	Online command mode enabled, send no break to remote modem		Send break with transmitted data	Break sent with received data to the DTE
í \K5	Send break with transmitted data		Send break 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
%C1	MNP5 enabled
%C2	V.42bis enabled
í %C3	MNP5 and V.42bis

COMPROMISE EQUALIZER
Type:	Configuration
Format:	AT [cmds] :En [cmds]
Description:	Controls compromise equalizer
Command	Function
:E0	Equalizer disabled
í :E1	Equalizer 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
\N1	Direct mode enabled
\N2	Reliable mode enabled
í \N3	Auto-reliable mode enabled
\N4	LAP-M mode enabled
\N5	MNP mode enabled

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
DJ	Link will be negotiated at 1200bps for this call only
DK	Power level adjustment enabled for this call only
DL	Re-dial last number
DP	Pulse dialing enabled
DR	Not used
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 specified time 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 5seconds, is received prior to executing the rest of the dial string.
D^	Enables calling tone for this call only
D&	Wait for prompt tone detection function enabled. Waits for prompt tone for amount of time specified by the S7 command.
D;	Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command.

DOWNLOAD TO FLASH MEMORY
Type:	Immediate
Format:	AT [cmds] ** [cmds]
Description:	Initiates downloading to flash memory

FLASH DIAL MODIFIER TIME
Type:	Register
Format	AT [cmds] S29? [cmds]
Default:	Read-only
Range:	0-255
Unit:	.01 second
Description:	Time the modem will go on-hook upon receiving the ! dial modifier in dial string.

FLOW CONTROL
Type:	Configuration
Format:	AT [cmds] \Gn [cmds]
Description:	Selects modem port flow control
Command	Function
í \G0	Flow control disabled
\G1	Flow control enabled

FLOW CONTROL
Type:	Register
Format	AT [cmds] S39? [cmds]
Default:	Read-only
Range:	0, 3-6
Description:	Displays the current flow control
Value	Meaning
0	Flow control disabled
í 3	RTS/CTS flow control enabled
4	XON/XOFF flow control enabled
5	Transparent XON/XOFF flow control enabled
6	Both RTS/CTS and XON/XOFF flow control enabled

FLOW CONTROL CHARACTER - XON
Type:	Register
Format:	AT [cmds] S32=n [cmds]
Default:	17
Range:	0-255
Unit:	ASCII
Description:	Sets the character used to represent XON

FLOW CONTROL CHARACTER - XOFF
Type:	Register
Format:	AT [cmds] S33=n [cmds]
Default:	19
Range:	0-255
Unit:	ASCII
Description:	Sets the character used to represent XOFF

LINE SIGNAL LEVEL
Type:	Immediate
Format:	AT [cmds] %L [cmds]
Description:	Returns a value which indicates the received line signal level

LINE SIGNAL QUALITY
Type:	Immediate
Format:	AT [cmds] %Q [cmds]
Description:	Returns a value which indicates line signal quality

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
í \A1	MNP block size is 128 characters
\A2	MNP block size is 192 characters
\A3	MNP block size is 256 characters

MNP - EXTENDED SERVICES
Type:	Configuration
Format:	AT [cmds] -Kn [cmds]
Description:	Selects MNP extended services; conversion from V.42(LAP-M) to an MNP10 connection.
Command	Function
-K0	MNP extended services disabled
í -K1	MNP extended services enabled
-K2	MNP extended services enabled; except during LAP-M answer detection phase.

MNP10 - EC
Type:	Configuration
Format:	AT [cmds] -SEC=x,y [cmds]
Description:	Controls MNP10 error correction and set initial transmit level
Command		Function
x=0		MNP10EC disabled
x=1		MNP10EC enabled
y=(10-30)		10-30 in -dBm
-SEC?		Displays parameters

MNP10 - FALLBACK
Type:	Configuration
Format:	AT [cmds] -Qn [cmds]
Description:	Allows MNP10 to fall back to speeds slower than 4800bps
Command	Function
-Q0	MNP10 at 4800bps enabled
í -Q1	MNP10 at 2400 and 1200bps enabled

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 highest possible speed
*H1	Link will be negotiated at 1200bps
*H2	Link will be negotiated at 4800bps

MNP10 - POWER LEVEL ADJUST
Type:	Configuration
Format:	AT [cmds] )Mn [cmds]
Description:	Controls automatic transmit power level adjustment during MNP 10 link negotiation
Command	Function
í )M0	Power level adjustment disabled
)M1	Power level adjustment enabled
)M2	Power level adjustment during MNP10 negotiation; power level remains fixed.

MODULATION SELECTION
Type:	Configuration
Format:	AT [cmds] +MS=x,y,z,a [cmds]
Description:	Sets options for active protocol; the transfer rates specified by z and a must be valid for the protocol selected.
Command	Function
x=0	V.21
x=1	V.22
x=2	V.22bis
x=3	V.23
x=9	V.32
x=10	V.32bis
x=11	V.34
x=64	Bell 103
x=69	Bell 212A
x=74	V.FC
y=0	Automode disabled
y=1	Auto-detect highest speed enabled
z, a=300	Set minimum or maximum transfer rate at 300bps, respectively.
z, a=600	Set minimum or maximum transfer rate at 600bps, respectively.
z, a=1200	Set minimum or maximum transfer rate at 1200bps, respectively.
z, a=2400	Set minimum or maximum transfer rate at 2400bps, respectively.
z, a=4800	Set minimum or maximum transfer rate at 4800bps, respectively.
z, a=7200	Set minimum or maximum transfer rate at 7200bps, respectively.
z, a=9600	Set minimum or maximum transfer rate at 9600bps, respectively.
z, a=12000	Set minimum or maximum transfer rate at 12000bps, respectively.
z, a=14400	Set minimum or maximum transfer rate at 14400bps, respectively.
z, a=16800	Set minimum or maximum transfer rate at 16800bps, respectively.
z, a=19200	Set minimum or maximum transfer rate at 19200bps, respectively.
z, a=24000	Set minimum or maximum transfer rate at 24000bps, respectively.
z, a=26400	Set minimum or maximum transfer rate at 26400bps, respectively.
z, a=28800	Set minimum or maximum transfer rate at 28800bps, respectively.

REPORT INFORMATION
Type:	Immediate
Format:	AT [cmds] In [cmds]
Description:	Displays information requested
Command	Function
I0	Reports product code
I1	Reports ROM checksum
I2	Reports OK
I3	Reports ROM revision level and model
I4	Reports modem identifier string
I5	Reports country code
I6	Reports data pump model and code revision
I7	Reports DAA code for external DAA (if not installed, reports 255)

SLEEP TIMER
Type:	Register
Format	AT [cmds] S24=n [cmds]
Default:	10
Range:	0-255
Unit:	1 second
Description:	Maximum duration of DTE and DCE inactivity allowed prior to initiating low-power sleep mode; S24=0 will disable.

TEST MODES
Type:		Register
Format:		AT [cmds] S16? [cmds]
Default:		Read-only
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

TRANSMISSION LEVEL
Type:	Configuration
Format:	AT [cmds] @Mn [cmds]
Default:	Unidentified
Range:	11-30
Unit:	-1dBm
Description:	Sets the initial signal level for transmission
Command	Function
@M0	-26 dBm
@M1	-30 dBm
@M2-@M10	-10 dBm

TRANSMISSION LEVEL - FAX
Type:	Register
Format:	AT [cmds] S92=n [cmds]
Default:	10
Range:	0-15
Unit:	-1 dBm
Description:	Sets the signal level for transmission while in fax mode

TRANSMISSION LEVEL - LEASED-LINE
Type:	Register
Format:	AT [cmds] S99=n [cmds]
Default:	10
Range:	0-15
Unit:	-1 dBm
Description:	Sets the signal level for transmission over leased-lines

TRANSMISSION LEVEL - PSTN
Type	Register or Configuration
Format	AT [cmds] S91=n [cmds]
Default	10
Range	0-15
Unit	-1 dBm
Description	Sets the signal level for transmission over switched phone lines