Card Type	Fax, Modem (synchronous/asynchronous)
Chip Set	Unidentified
Maximum Data Rate	14.4Kbps
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
Fax Modulation Protocol	ITU-T V.17, V.21CH2, V.27ter, V.29
Error Correction/Compression	MNP5, V.42bis

ACCEPT RELIABLE MODE
Type:	Immediate
Format:	AT [cmds] \U [cmds]
Description:	Accepts remote modem’s request for MNP link

AUTO-RETRAIN
Type:	Configuration
Format:	AT [cmds] %En [cmds]
Description:	Selects auto-retrain mode
Command	Function
í %E0	Auto-retrain disabled
%E1	Auto-retrain enabled

BIT-MAPPED REGISTER S14
Format		AT [cmds] S14=n [cmds]
Default:		Read-only
Range:		0-255
Unit:		Bit-mapped
Description:		Controls echo, result codes, result code display, dial mode, and answer/originate mode.
Bit	Value	Function
0	0 1	On-line echo disabled On-line echo enabled
1	0 1	Command echo disabled Command echo enabled
2	0 1	Result codes disabled Result codes enabled
3	0 1	Display result codes in numeric format Display result codes in verbose format
4	N/A	Not used
5	0 1	Tone dial enabled Pulse dial enabled
6	0 1	Modem returns result codes normally Modem returns result codes during originate only
7	0 1	Answer mode enabled Originate mode enabled

BIT-MAPPED REGISTER S21
Format		AT [cmds] S21=n [cmds]
Default:		Read-only
Range:		0-255
Unit:		Bit-mapped
Description:		Selects jack type, CTS signal, low DTR action, DCD signal, DSR signal, and the long space disconnect function.
Bit	Value	Function
0	0 1	Selects RJ-11, RJ-41S, or RJ45S jack Selects RJ-12 or RJ-13 jack
1	0 1	User profile 0 User profile 1
2	0 1	CTS follows RTS CTS forced high
4, 3	00 01 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 1	DCD forced high DCD normal
6	0 1	DSR forced high DSR normal
7	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 - 255
Unit:		Bit-mapped.
Description:		Controls volume and speaker settings, result codes, and make/break pulse ratio.
Bit	Value	Function
1, 0	00 01 10 11	Lowest volume setting Low volume setting Medium volume setting Highest volume setting
3, 2	00 01 10 11	Speaker disabled Speaker enabled until carrier signal detected Speaker enabled Speaker enabled following dialing, then disabled after carrier signal detected.
6, 5 ,4	000 100 101 110 111	Busy and dialtone detection disabled, result codes 0-4 enabled. Busy and dialtone detection disabled, result codes 0-5, 9-19 enabled. Busy tone detection disabled, dialtone detection enabled, result codes 0-6, 8-19 enabled. Busy tone detection enabled, dialtone detection disabled, result codes 0-5, 7-19 enabled. Busy and dialtone detection enabled, result codes 0-19 enabled.
7	0 1	39/61ms at 10pps (North America) 33/67ms at 10pps (Europe)

BIT-MAPPED REGISTER S23
Format		AT [cmds] S23=n [cmds]
Default:		177
Range:		0-191
Unit:		Bit-mapped
Description:		Grants/denies remote digital loopback, controls DTE rate and parity, and sets guard tone.
Bit	Value	Function
0	0 1	Remote digital loopback denied Remote digital loopback allowed
3, 2, 1	000 001 010 011 100 101 110 111	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 Sets serial port speed to 38400bps
5,4	00 01 10 11	Parity even Not used Parity odd No Parity
7, 6	00 01 10	Guard tone disabled Guard tone 550Hz enabled Guard tone 1800Hz enabled

BIT-MAPPED REGISTER S27
Format		AT [cmds] S27=n [cmds]
Default:		Read-only
Range:		0-108
Unit:		Bit-mapped
Description:		Selects synchronous/asynchronous mode, line type, clock source, and ITU-T/Bell modes.
Bit	Value	Function
3, 1, 0	000 001 010 011 100	Asynchronous mode, serial port speed follows connect speed. Asynchronous command mode and synchronous connect mode. Asynchronous command mode and synchronous connect mode, DTR dialing enabled. Asynchronous command mode on low DTR, synchronous connect mode on high DTR. Hayes AutoSync™ mode - serial port locked at 9600bps.
2	0 1	Dial up line Leased line
5, 4	00 01 10	Internal DTE transmit clock source External DTE transmit clock source Slave DTE transmit clock source
6	0 1	ITU-T mode Bell mode

BIT-MAPPED REGISTER S40
Format		AT [cmds] S40=n [cmds]
Default:		Read-only
Range:		0-247
Unit:		Bit-mapped
Description:		Controls break handling and flow control; selects connect mode and MNP block size.
Bit	Value	Function
1, 0	00 01 10 11	Normal mode enabled Normal mode enabled Reliable mode enabled Auto-reliable mode enabled
4, 3, 2	000 001 010 011 100 101	\K0 \K1 \K2 \K3 \K4 \K5
6, 5	00 01 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
7	0 1	Flow control disabled Flow control enabled

BIT-MAPPED REGISTER S41
Format		AT [cmds] S41=n [cmds]
Default:		Read-only
Range:		0-7
Unit:		Bit-mapped
Description:		Selects compression, auto-retrain, and MNP mode.
Bit	Value	Function
0	0 1	Data compression disabled Data compression enabled
1	0 1	Auto-retrain disabled Auto-retrain enabled
2	0 1	Stream mode for MNP Block mode for MNP

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	Function
\K0	Buffers cleared and break sent to DTE
\K1	Buffers cleared and break sent to DTE
\K2	Send break to DTE immediately
\K3	Send break to DTE immediately
\K4	Send break with transmitted data
í \K5	Send break with transmitted data

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

CONNECT MODE
Type:	Configuration
Format:	AT [cmds] \Nn [cmds]
Description:	Sets connect mode
Command	Function
\N0	Normal mode enabled
\N1	Normal mode enabled
\N2	Reliable mode enabled
í \N3	Auto-reliable mode enabled

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

INACTIVITY TIMER
Type:	Configuration
Format:	AT [cmds] \Tn [cmds]
Default:	0
Range:	0-42
Unit:	1 minute
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
í \A2	MNP block size is 192 characters
\A3	MNP block size is 256 characters

MNP STREAM/BLOCK MODE
Type:	Configuration
Format:	AT [cmds] \Ln [cmds]
Description:	Selects the transfer mode for MNP
Command	Function
í \L0	Stream mode for MNP enabled
\L1	Block mode for MNP enabled

ORIGINATE IN RELIABLE MODE
Type:	Immediate
Format:	AT [cmds] \O [cmds]
Description:	Force an MNP connection regardless of answer or originate mode

SWITCH TO NORMAL MODE
Type:	Configuration
Format:	AT [cmds] \Z [cmds]
Description:	Switches to normal mode from reliable link

SWITCH TO RELIABLE MODE
Type:	Immediate
Format:	AT [cmds] \Y [cmds]
Description:	Initiates reliable link

REPORT LINE SIGNAL LEVEL
Type:	Immediate
Format:	AT [cmds] %L [cmds]
Description:	Returns received line signal level

REPORT LINE SIGNAL QUALITY
Type:	Immediate
Format:	AT [cmds] %Q [cmds]
Description:	Returns line signal quality

RESET V.42bis DICTIONARY
Type:	Immediate
Format:	AT [cmds] %P [cmds]
Description:	Clears the V.42bis dictionary

TEST MODES
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

TRANSMIT LEVEL
Type:	Register
Format:	AT [cmds] S91=n [cmds]
Default:	Unidentified
Range:	0-15
Unit:	-1dBm
Description:	Controls transmit level

V.42bis COMPRESSION CONTROL
Type:	Configuration
Format:	AT [cmds] %Mn [cmds]
Description:	Controls V.42bis data compression
Command	Function
%M0	V.42bis disabled
%M1	V.42bis when transmitting enabled
%M2	V.42bis when receiving enabled
í %M3	V.42bis when transmitting/receiving enabled

V.42bis DICTIONARY SIZE
Type:	Configuration
Format:	AT [cmds] %Dn [cmds]
Description:	Selects V.42bis dictionary size
Command	Function
0	512 bytes
1	1024 bytes
í 2	2048 bytes
3	4096 bytes

V.42bis MAXIMUM STRING LENGTH
Type:	Configuration
Format:	AT [cmds] %Sn [cmds]
Default:	32
Range:	6-250
Unit:	Characters
Description:	Selects string size for V.42bis compression