Card Type	Fax, Modem (synchronous/asynchronous), Voice
Chip Set	Unidentified
I/O Options	Speakerphone, Voice-mail
Maximum Data Rate	28.8Kbps
Maximum Fax Rate	14.4Kbps
Data Bus	External
Fax Class	Class I & II
Data Modulation Protocol	Bell 103A/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, V.33
Error Correction/Compression	MNP5, V.42, V.42bis

CONNECTIONS
Function	Label		Function		Label
Line out		CN1		RS-232/422		CN5
Line in		CN2		DC power		CN6
Speaker out		CN3		Power switch		SW1
Microphone in		CN4

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
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
OH	Red	On	Modem is off-hook
OH	Red	Off	Modem is on-hook
IO	Red	On	Modem is transmitting or receiving data
IO	Red	Off	Modem is not transmitting or receiving data
MR	Red	On	Power is on
MR	Red	Off	Power is off

ASYNCHRONOUS - CONNECT MODE
Type:	Configuration
Format:	AT [cmds] \Nn [cmds]
Description:	Sets the type of connection used for asynchronous operation
Command	Function
\N0	Wire mode enabled
\N1	Direct V.14 asynchronous mode enabled
\N2	MNP reliable mode enabled
\N3	Auto-reliable mode enabled
\N4	V.42 reliable mode enabled
\N5	V.42 auto-reliable mode or MNP mode enabled
\N6	V.13 - simulated controlled carrier mode enabled

AUTO-FALLBACK/FALL-FORWARD
Type:	Configuration
Format:	AT [cmds] &An [cmds]
Description:	Selects auto-fallback/fall-forward
Command	Function
&A0	Auto-fallback/fall-forward disabled
&A1	Auto-fallback/fall-forward enabled

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

BREAK TYPE
Type:		Configuration
Format:		AT [cmds] \Kn [cmds]
Description:		Configures action of break signal
Command	Function
\K0	Break sent to remote modem and buffered cleared
\K1	Break sent to remote modem and buffered saved
\K2	Timed break to remote modem and buffered saved
\K3	Break ignored
\K4	Timed break until no break character and buffered saved
\K5	Timed break until no break character and buffered saved

BUSY OUT
Type:	Configuration
Format:	AT [cmds] %Bn [cmds]
Description:	Sends busy signal when modem is in a test mode.
Command		Function
%B0		Do not send busy signal when modem is in test mode
%B1		Send busy signal on loss of DTR
%B2		Send busy signal when modem is in analog loopback
%B3		Send busy signal when modem is in analog loopback or on loss of RTS or DTR
%B4		Send busy signal on loss of RTS

CHARACTER ABORT
Type:	Configuration
Format:	AT [cmds] %Kn [cmds]
Description:	Controls character abort
Command		Function
%K0		2 second delay until character abort
%K1		Character abort disabled

CHARACTER LENGTH
Type:	Configuration
Format:	AT [cmds] \Bn [cmds]
Description:	Controls character length
Command		Function
\B0		6N1
\B1		7N1
\B2		7P1, control is set by \P command for parity type
\B3		8N1
\B4		7P2, control is set by \P command for parity type
\B5		8P1, control is set by \P command for parity type

COMPRESSION
Type:	Configuration
Format:	AT [cmds] %Cn [cmds]
Description:	Selects data compression
Command	Function
%C0	Data compression disabled
%C1	Transmit and receive path enabled
%C2	Transmit path enabled in V.42bis
%C3	Receive path enabled in V.42bis

CONNECT MESSAGE
Type:	Configuration
Format:	AT [cmds] \Vn [cmds]
Description:	Selects connect message type reporting
Command	Function
\V0	CONNECT reported as VF speed upon data mode, link message after link negotiation
\V1	CONNECT reported as DTE speed after link negotiation
\V2	CONNECT reported as VF speed after link and MNP negotiation
\V3	CONNECT reported as DTE speed after protocol negotiation

DATA CARRIER DETECT (DCD)
Type:	Configuration
Format:	AT [cmds] &Cn [cmds]
Description:	Selects the DCD options
Command	Function
&C0	DCD enabled
&C1	Real mode enabled; follow modem energy detection.
&C2	DCD enabled after carrier signal detected

DATA SET READY (DSR) - TEST MODE
Type:	Configuration
Format:	AT [cmds] %Dn [cmds]
Description:	Selects DSR options in test mode
Command	Function
%D0	DSR forced high during analog loopback
%D1	DSR low during this test

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
! or &	Flash function initiated. Modem commanded to go off-hook for ½ second before returning on-hook.
, or <	Dialing paused for amount of time specified in S8 register
:n	Redial for n times until data mode is established
;	Modem returned to Command state after dialing. The semicolon can only be placed at the end of the dial command.
@	Wait for Quite Answer function enabled. Modem waits until a "quiet answer," a ring-back signal followed by silence up to the time specified in S7, is received prior to executing the rest of the dial string.
Ln	Link to cell n when modem cannot establish data mode
P	Pulse dialing enabled
R	Answer mode enabled; originate mode disabled following handshake initiation.
S	Dial stored telephone number
T	Tone dialing enabled/Pulse dialing disabled
W	Dialing resumed following dial tone detection; for amount of time specified in S6 register

DTE INTERFACE-CONTROLLED TEST
Type:	Configuration
Format:	AT [cmds] %En [cmds]
Description:	Controls DTE interface-controlled tests
Command		Function
%E0		Tests controlled by DTE interface pins disabled
%E1		Tests controlled by DTE interface pins enabled

DTE SPEED
Type:	Configuration
Format	AT [cmds] \Tn [cmds]
Description:	Sets the maximum allowable DTE speed
Command	Function
\T0	Autobaud
\T1	Last AT speed
\T2	300bps
\T3	1200bps
\T4	2400bps
\T5	4800bps
\T6	7200bps
\T7	9600bps
\T8	12.0Kbps
\T9	14.4Kbps
\T10	16.8Kbps
\T11	19.2Kbps
\T12	21.6Kbps
\T13	24Kbps
\T14	26.4Kbps
\T15	28.8Kbps
\T16	38.4Kbps
\T17	57.6Kbps
\T18	76.8Kbps
\T19	115.2Kbps
\T20	128Kbps

DTR DIALING
Type:	Configuration
Format:	AT [cmds] %Zn [cmds]
Description:	Controls DTR dialing
Command		Function
%Z0		DTR is ignored
%Z1=n		Dial from cell n
%Z2		Go off-hook and attempt to handshake

FIXED PROFILES
Type:	Configuration
Format:	AT [cmds] &Fn [cmds]
Description:	Controls active profile to values found in fixed profile
Command		Function
&F0		PSTN, asynchronous, V.42, V.42bis
&F1		PSTN, synchronous

FLOW CONTROL
Type:	Configuration
Format:	AT [cmds] \Gn [cmds]
Description:	Selects modem port flow control
Command	Function
\G0	Flow control disabled
\G1	XON/XOFF signals trapped by local modem
\G2	Flow control enabled in transmit path
\G3	Transmit and receive path enabled with pass-through

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	Bi-directional XON/XOFF flow control enabled
\Q2	CTS flow control by DCE enabled
\Q3	Bi-directional RTS/CTS flow control enabled
\Q4	Unidirectional XON/XOFF flow control by DCE enabled

HANDSHAKE MODE - PSTN
Type:	Configuration
Format:	AT [cmds] &Hn [cmds]
Description:	Set the handshake mode when originating
Command		Function
&H0		GDC fast auto (28.8Kbps - 300bps)
&H1		GDC fast only (28.8Kbps - 9600bps)
&H2		V.32bis automatic (14.4Kbps - 300bps)
&H3		V.32bis only (14.4Kbps - 4800bps)
&H4		V.32 automatic (9600bps - 300bps)
&H5		V.32 only (9600bps - 4800bps)
&H6		V.22bis only (2400bps - 1200bps)
&H7		V.22 only (1200bps)
&H8		Bell 212A only (1200bps)
&H9		Bell 103 only (300bps)
&H10		V.21 only (300bps)

MESSAGE RESPONSE SPEED
Type:	Configuration
Format	AT [cmds] %Rn [cmds]
Description:	Sets the maximum allowable message speed
Command	Function
%R0	Autobaud
%R1	Speed of last connection
%R2	300bps
%R3	1200bps
%R4	2400bps
%R5	4800bps
%R6	7200bps
%R7	9600bps
%R8	12.0Kbps
%R9	14.4Kbps
%R10	16.8Kbps
%R11	19.2Kbps
%R12	21.6Kbps
%R13	24Kbps
%R14	26.4Kbps
%R15	28.8Kbps
%R16	38.4Kbps
%R17	57.6Kbps
%R18	76.8Kbps
%R19	115.2Kbps
%R20	128Kbps

OVERSPEED CORRECTION
Type:	Configuration
Format:	AT [cmds] \An [cmds]
Description:	Controls overspeed correction
Command	Function
\A0	1.25% asynchronous overspeed correction enabled
\A1	2.5% overspeed correction enabled

PARITY CONTROL
Type:	Configuration
Format:	AT [cmds] \Pn [cmds]
Description:	Controls Parity
Command		Function
\P0		Parity even
\P1		Space Parity
\P2		Parity odd
\P3		Mark Parity
\P4		Last AT command (automatic)

PRE-LINK DATA BUFFER/FALLBACK CONTROL
Type:	Configuration
Format:	AT [cmds] \Cn [cmds]
Description:	Sets the handling of pre-link data buffer and fallback
Command	Function
\C0	Time-out and fallback, speed buffer, no data buffer
\C1	Time-out and fallback, speed buffer, buffer received data
\C2	Auto-reliable, fallback with fallback character speed buffer, no receive data buffer
\C3	Time-out and fallback, V.14, buffer received data
\C4	Time-out or fallback with fallback character, V.14, no data buffer

REPORT INFORMATION
Type:	Immediate
Format:	AT [cmds] In [cmds]
Description:	Displays information requested
Command	Function
I0	Reports product code
I1	Reports ROM checksum
I2	Tests and reports ROM checksum
I3	Reports firmware revision level (A-)
I4	Displays settings of all S-registers

REQUEST STORED NUMBERS
Type:	Immediate
Format:	AT [cmds] &V [cmds]
Description:	Displays the list of stored numbers; only 4 can be stored.

RETRAIN - LINE SIGNAL QUALITY
Type:	Configuration
Format:	AT [cmds] %Qn [cmds]
Description:	Controls retrain function if poor line quality is detected
Command		Function
%Q0		Retrain disabled
%Q1		3 retraining attempts enabled, hang-up if not successful
%Q2		Retrain enabled until line quality is good

RETRANSMISSION COUNTER
Type:	Register
Format:	AT [cmds] S70=n [cmds]
Default:	100
Range:	Unidentified
Unit:	Unidentified
Description:	Counts the number of retries to make a connection

SIMULATED CONTROLLED CARRIER
Type:	Configuration
Format:	AT [cmds] &En [cmds]
Description:	Controls simulated controlled carrier (ITU-T V.13)
Command		Function
&E0		Transmit and receive path enabled
&E1		Transmit path enabled
&E2		Receive path enabled

SYNCHRONOUS - CONNECT MODE
Type:	Configuration
Format:	AT [cmds] \Nn [cmds]
Description:	Sets the type of protocol used for synchronous operation
Command	Function
\M0	Normal synchronous mode enabled
\M1	V.13 synchronous mode enabled, simulated controlled carrier