Card Type	Fax, Modem (synchronous/asynchronous), Network Interface Card
Chip Set	Unidentified
I/O Options	Ethernet 10BaseT connector
NIC Type	Ethernet
Network Transfer Rate	10Mbps
Maximum Modem 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.25bis, V.32, V.32bis, V.34
Fax Modulation Protocol	ITU-T V.17, V.21CH2, V.27ter, V.29
Error Correction/Compression	MNP5, MNP10, V.42, V.42bis
Topology	Star
Wiring Type	Unshielded twisted pair
Boot ROM	Not available

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
%E2	Auto-fallback/fall-forward enabled

BIT MAPPED REGISTERS
Register	Default
S28	Unidentified

BIT-MAPPED REGISTER S14
Format:		AT [cmds] S14=n [cmds]
Default:		138
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=n [cmds]
Default:		4
Range:		0-253
Unit:		Bit-mapped
Description:		Selects jack type, CTS/DCD/DSR signals, low DTR action, 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	í 0	Not used
2	0 í 1	CTS forced high CTS follows RTS
4, 3	í 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	í 0 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:		117
Range:		0-127
Unit:		Bit-mapped
Description:		Controls speaker volume and controls, and limits results codes.
Bit	Value	Function
1, 0	00 í 01 10 11	Volume off 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:		55
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	0 í 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:		74
Range:		0-111
Unit:		Bit-mapped
Description:		Selects synchronous/asynchronous mode, line type, clock source, and ITU-T/Bell modes.
Bit	Value	Function
3, 1, 0	000 001 010 011 100 101 111	Asynchronous mode, serial port speed follows connect speed Asynchronous off-line command mode and synchronous connect mode Asynchronous off-line command mode; modem auto-dials first number in directory, then synchronous connect mode Asynchronous off-line command mode on low DTR, synchronous connect mode on high DTR Auto-synchronous mode Error correction mode Buffered asynchronous mode
2	0 1	Switched line Leased line
5, 4	00 01 10	Local modem generates transmit clock source Local DTE generates transmit clock source Remote DCE/DTE generates transmit clock source
6	0 1	ITU/T mode Bell mode

BIT-MAPPED REGISTER S31
Format:		AT [cmds] S31=n [cmds]
Default:		2
Range:		0-2
Description:		Select automode
Bit	Value		Function
0	í 0		Not used
1	0 í 1		Auto-mode detection disabled 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.32bis, V.32, V.22bis, V.22 or Bell 212, V.21, and Bell 103

BIT-MAPPED REGISTER S40
Format		AT [cmds] S40=n [cmds]
Default:		105
Range:		0-255
Unit:		Bit-mapped
Description:		Controls MNP extended services, fallback, power level, break handling, and block size.
Bit	Value	Function
0	0 1	MNP extended services disabled MNP extended services enabled
1	0 1	MNP10 at 2400 and 1200bps disabled MNP10 at 2400 and 1200bps enabled
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 í 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

BIT-MAPPED REGISTER S41
Format		AT [cmds] S41=n [cmds]
Default:		Unidentified
Range:		0-31
Unit:		Bit-mapped
Description:		Selects compression, auto-retrain, flow control, 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	í 00 01 10	Auto-retrain disabled Auto-retrain enabled Auto-retrain and auto-fallback enabled
3	í 0 1	Flow control disabled Flow control enabled
4	í 0 1	Stream mode for MNP Block mode for MNP

BIT-MAPPED REGISTER S201
Format:			AT [cmds] S201=n [cmds]
Default:			32
Range:			0-62
Description:			Controls power level and compromise equalizer
Bit	Value			Function
4 - 0	00000 00001 00010 ... 01010 01011 ...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 -30dBm
5		0 1			Equalizer disabled Equalizer enabled

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 buffers cleared	Buffers cleared, break sent to DTE
\K1	Break sent to remote modem and buffers cleared		Break sent to remote modem and buffers 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
%C3	MNP5 and V.42bis 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
\N3	Auto-reliable mode enabled
\N4	V.42 reliable mode enabled
\N5	MNP reliable 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.
Modifier	Function
J	Link will be negotiated at highest possible speed
K	Power level adjustment enabled
L	Re-dial last number
P	Pulse dialing enabled
R	Accepted, but not acted upon
S=n	Dial stored telephone number n
T	Tone dialing enabled
W	Dialing resumed following dial tone detection
!	Modem commanded to go off-hook for specified time before returning on-hook
@	Wait for quiet answer
,	Dialing paused for amount of time specified in S8 register
;	Modem returned to command state after dialing
^	Calling tone disabled
>	Generate a grounding pulse on ground output

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:	Read-only Register
Format	AT [cmds] S39? [cmds]
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 XON/XOFF and RTS/CTS flow control enabled

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

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

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

LINE SIGNAL LEVEL
Type:	Immediate
Format:	AT [cmds] %L [cmds]
Default:	Unidentified
Range:	9-43
Unit:	-1 dBm
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

MNP - EXTENDED SERVICES
Type:	Configuration
Format:	AT [cmds] -Kn [cmds]
Description:	Selects MNP extended services
Command	Function
-K0	MNP extended services disabled
í -K1	MNP extended services enabled

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

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 2400 and 1200bps disabled
-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

REPORT INFORMATION
Type:	Immediate
Format:	AT [cmds] In [cmds]
Description:	Displays information requested
Command	Function
I0	Reports product code
I1	Reports OK
I6	Reports modem data pump model and internal code revision

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

TEST MODE - PTT
Type:	Immediate
Format:	AT [cmds] %TTn [cmds]
Description:	Send PTT test signals for a line tests

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
Format	AT [cmds] S91=n [cmds]
Default	10
Range	0-15
Unit	-1 dBm
Description	Sets the signal level for transmission over PSTN

CONNECT INCOMING CALLS
Type:	Immediate
Format:	CIC
Description:	Instructs the modem to answer an incoming call; if no call is currently incoming, a result of INV will be returned.

CALL REQUESTED NUMBER AND IDENTIFICATION
Type:	Immediate
Format:	CRI<#>
Description:	Adds dial string and identifier into memory.

CALL REQUESTED NUMBER
Type:	Immediate
Format:	CRN<#>
Description:	Dials the number given; it will ignore spaces and hyphens in the string; if the string is more than fifty characters long, a result of INV will be returned.

CALL REQUEST WITH ADDRESS
Type:	Immediate
Format:	CRSn
Description:	Dials the number stored in memory register n

DISREGARD INCOMING CALL
Type:	Immediate
Format:	DIC
Description:	Instructs the modem to ignore the incoming call, if the modem is set to automatically answer; if no call is currently incoming, a result of INV will be returned.

PROGRAM NUMBER
Type:	Configuration
Format:	PRNn or PRN
Description:	Stores a phone number in memory address n. If the second form of this command is issued (i.e. with no string to store), it will clear memory address n.

REQUEST LIST OF DELAYED NUMBERS
Type:	Immediate
Format:	RLD
Description:	Requests the list of delayed numbers from the modem; this is a list of numbers that the modem attempted to call and failed, and is not allowed to call again until a set amount of time has elapsed; this is usually to prevent repeated dialing of a number (which could indicate an attempted security breach).

REQUEST LIST OF FORBIDDEN NUMBERS
Type:	Immediate
Format:	RLF
Description:	Requests the list of forbidden numbers from the modem; the modem is unable to dial numbers on this list until its power has been cycled.

REQUEST LISTED NUMBERS
Type:	Immediate
Format:	RLI
Description:	The modem will return VAL message.

CALL FAILURE INDICATOR
Type:		Response
Format:		CFIxx
Description:		Indicates that the attempt to connect failed
Response	Name		Description
CFIAB	Abort		The call was aborted because either no dialtone was detected or a character was received from the host computer.
CFICB	DCE Busy		An incoming call was detected after the dialing command was issued.
CFIET	Engaged Tone		A busy signal was detected.
CFIFC	Forbidden Call		The number given is on the forbidden list.
CFINS	Not Stored		The memory address given did not contain a valid telephone number.
CFINT	No Tone		The remote party did not issue a response tone.
CFIRT	Ring Tone		A responding tone was detected, but the call timed out before it was completed.

CONNECTION
Type:	Response
Format:	CNX
Description:	A connection has been successfully established

DELAYED CALL
Type:	Response
Format:	DLCn
Description:	The telephone number given is on the delayed call list; the call cannot be completed until n minutes elapse.

INCOMING CALL
Type:	Response
Format:	INC
Description:	An incoming call has been detected

INVALID
Type:	Response
Format:	INV
Description:	The modem was issued an improper command

VALID
Type:	Response
Format:	VAL
Description:	The command issued is valid and is being executed