Card Type	Fax, Modem (asynchronous)
Chip Set	Unidentified
Maximum Data Rate
Maximum Fax Rate	14.4Kbps
Data Bus	PCMCIA Type II
Fax Class	Class I
Data Modulation Protocol	Bell 103A/212A ITU-T V.21, V.22, V.22bis, 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:	Configuration
Format:	AT [cmds] \U [cmds]
Description:	Accepts remote modem’s request for reliable link

AUTO-FALLBACK/FALL-FORWARD
Type:	Configuration
Format:	AT [cmds] %Gn [cmds]
Description:	Selects auto-fallback/fall-forward
Command	Function
í %G1	Auto-fallback/fall-forward disabled
%G0	Auto-fallback/fall-forward enabled

AUTO-RELIABLE FALLBACK CHARACTER
Type:	Configuration
Format:	AT [cmds] %An [cmds]
Default:	None
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 for 4 seconds, 200 characters or SYN detected, switch to reliable mode
\C2	Data is discarded, switch to normal mode on receipt of auto reliable fallback character and pass character to DTE

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

BIT-MAPPED REGISTER S14
Format		AT [cmds] S14=n [cmds]
Default:		138
Range:		0-174
Unit:		Bit-mapped
Description:		Controls echo, result codes, result code display, dial mode, and answer/originate mode
Bit	Value	Function
0	0	Not used
1	0 í 1	Command echo disabled Command echo enabled
6,2	í 0 1	Display result codes in numeric format Display result codes in verbose format
3	0	Not used
4	0 1	Dumb mode disabled Dumb mode enabled
5	í 0 1	Tone dial enabled Pulse dial enabled
7	0 í 1	Answer mode enabled Originate mode enabled

BIT-MAPPED REGISTER S21
Format		AT [cmds] S21=n [cmds]
Default:		48
Range:		0 - 253
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	í 0 1	Selects RJ-11, RJ-41S, or RJ45S jack Selects RJ-12 or RJ-13 jack
1	0	Not used
2	í 0 1	CTS follows RTS CTS forced high
4, 3	00 01 í10 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 í1	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:		None
Range:		0-255
Unit:		Read only
Description:		Displays speaker volume and controls, result codes and make/break ratio
Bit	Value	Function
1, 0	00 01 í 10 11	Off volume On 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, 5, 4	000 100 101 110 111	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
7	0 1	Make/Break pulse ratio is 39/61 Make/Break pulse ratio is 33/67

BIT-MAPPED REGISTER S23
Format		AT [cmds] S23=n [cmds]
Default:		None
Range:		0-255
Unit:		Read only
Description:		Displays status of remote digital loopback, DTE rate and parity and guard tone
Bit	Value	Function
0	0 í 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 1200bps Sets serial port speed to 2400bps Sets serial port speed to 4800bps Sets serial port speed to 7200bps Sets serial port speed to 9600bps Sets serial port speed to 19200bps Sets serial port speed to 38400bps
5,4	í 00 01 10 11	Parity even Not used Parity odd No Parity
7, 6	í 00 01 10	Guard tone disabled Guard tone 550 enabled Guard tone 1800Hz enabled

BIT-MAPPED REGISTER S27
Format		AT [cmds] S27=n [cmds]
Default:		None
Range:		0 - 127
Unit:		Read only
Description:		Displays status of sync/async mode, Line type, internal clock, 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	CCITT mode Bell mode

BREAK SEND
Type:	Configuration
Format:	AT [cmds] \Bn [cmds]
Default:	Unidentified
Range:	0-9
Unit:	.1 second
Description:	Sends break to modem

BREAK TYPE
Type:		Configuration
Format:		AT [cmds] \Kn [cmds]
Description:		Configures action of break signal
Command	Connected in Reliable mode		Command state in Reliable mode	Command state in Direct mode	Break received from remote modem
\K0	Online command mode enabled, send no break to remote modem		Break sent to remote modem and buffered cleared	Send break to remote modem immediately, Online command mode enabled	Buffers cleared, break sent to DTE
\K1	Break sent to remote modem and buffered cleared		Break sent to remote modem and buffered cleared	Send break to remote modem immediately	Buffers cleared, break sent to DTE
\K2	Online command mode enabled, send no break to remote modem		Send break to remote modem immediately	Send break to remote modem immediately, Online command mode enabled	Break sent immediately to DTE
\K3	Send break to remote modem immediately		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	Send break to remote modem immediately, Online command mode enabled	Break sent with received data to the DTE
í \K5	Send break with transmitted data		Send break with transmitted data	Send break to remote modem immediately	Break sent with received data to the DTE

CALLING TONE
Type:	Configuration
Format:	AT [cmds] -Cn [cmds]
Description:	Controls whether the DTE will allow the modem to send a 1300Hz calling tone when originating
Command	Function
í -C0	Disable calling tone
-C1	Enable calling tone

COMPRESSION
Type:	Configuration
Format:	AT %Cn
Description:	Selects data compression
Command	Function
%C0	Data compression disabled
í %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
\N1	Direct mode enabled
\N2	MNP reliable mode enabled
í \N3	Auto-reliable mode enabled
\N4	V.42 reliable mode enabled

CONVERT TO MNP RELIABLE MODE
Type:	Immediate
Format:	AT [cmds] \Y [cmds]
Description:	Converts to MNP reliable mode from normal or direct mode

EXTENDED RESULT CODES
Type:	Configuration
Format:	AT [cmds] \Vn [cmds]
Description:	Selects extended result codes
Command	Function
í \V0	Extended result codes disabled
\V1	Modified MNP result codes enabled
\V2	Extended V.42 result codes 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

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
\Q2	CTS flow control to DTE enabled
í \Q3	RTS/CTS flow control enabled

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

INACTIVITY TIMER
Type:	Register
Format:	AT [cmds] S90=n [cmds]
Default:	0
Range:	0-255
Unit:	1 minute
Description:	Sets the length of time that the modem does not receive information before it disconnects. S90=0 will disable

INITIATE MNP RELIABLE MODE
Type:	Immediate
Format:	AT [cmds] \O [cmds]
Description:	Initiates MNP reliable mode from normal or direct mode

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

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

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

SWITCH TO NORMAL MODE
Type:	Immediate
Format:	AT [cmds] \Z [cmds]
Description:	Switches to normal mode from MNP mode

TEST MODES
Format		AT [cmds] S16=n [cmds]
Default:		None
Range:		0-125
Unit:		Bit-mapped
Description:		Controls loopback tests, analog, digital, remote digital, and self tests
Bit	Value	Function
0	0 1	Local analog loopback disabled Local analog loopback enabled
1	0	Not used
2	0 1	Local digital loopback disabled Local digital loopback enabled
3	0 1	Modem not in remote digital loopback Remote digital loopback in progress
4	0 1	Remote digital loopback not requested Remote digital loopback requested
5	0 1	Remote digital loopback w/ self-test disabled Remote digital loopback w/ self-test enabled
6	0 1	Local analog loopback w/ self-test disabled Local analog loopback w/ self-test enabled

TEST TIMER
Type:	Register
Format	AT [cmds] S18=n [cmds]
Default:	0
Range:	0-255
Unit:	1 second
Description:	Sets the maximum duration for modem tests
Note: S18=0 disables the timer and allows an indefinite duration.

V.42 DETECTION PHASE
Type:	Configuration
Format:	AT [cmds] -Jn [cmds]
Description:	Controls V.42 detection
Command	Function
-J0	V.42 detection disabled
í -J1	V.42 detection enabled

V.42bis COMPRESSION CONTROL
Type:	Configuration
Format:	AT [cmds] "Hn [cmds]
Description:	Controls V.42bis data compression
Command	Function
"H0	V.42bis disabled
"H1	V.42bis when transmitting enabled
"H2	V.42bis when receiving enabled
í "H3	V.42bis when transmitting/receiving enabled

V.42bis MAXIMUM STRING LENGTH
Type:	Immediate
Format:	AT [cmds] "On [cmds]
Default:	16
Range:	6-250
Unit:	ASCII
Description:	Selects string size for V.42bis compression

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