Card Type	Fax, Modem (asynchronous)
Chip Set	Unidentified
Maximum Data Rate	28.8Kbps
Maximum Fax Rate	14.4Kbps
Data Bus	External
Fax Class	Class I & II
Data Modulation Protocol	Bell 103/212A ITU-T V.21, V.22, V.22bis, V.23, V.25, 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

CONNECTIONS
Function	Label		Function		Label
Line out		CN1		DC power		CN3
RS-232/422		CN2

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
LED 1	Yellow	On	Power is on
LED 1	Yellow	Off	Power is off
LED 2	Red	On	Battery low
LED 2	Red	Off	Batter full
LED 3	Yellow	On	Encryption mode enabled
LED 3	Yellow	Off	Encryption mode disabled
LED 4	Yellow	On	Cellular mode enabled
LED 4	Yellow	Off	Cellular mode disabled

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
%E3	Both auto-retrain and auto-fallback/fall-forward enabled

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:		112
Range:		0-248
Unit:		Bit-mapped
Description:		Selects low DTR action, DCD/DSR signals, and the long space disconnect function.
Bit	Value	Function
2 - 0	í 000	Not used
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	0 í 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:		119
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 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:		27
Range:		0-63
Unit:		Bit-mapped
Description:		Grants/denies remote digital loopback, controls DTE rate and parity.
Bit	Value	Function
0	0 í 1	Remote digital loopback denied Remote digital loopback allowed
3 - 1	000 001 010 011 100 í 101 110 111	Sets serial port speed to 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 í 01 10 11	Parity even Space Parity Parity odd Mark or No Parity

BIT-MAPPED REGISTER S27
Format		AT [cmds] S27=n [cmds]
Default:		64
Range:		0-64
Unit:		Bit-mapped
Description:		Selects ITU-T/Bell modes.
Bit	Value	Function
5 - 0	í 0	Not used
6	0 í 1	ITU/T mode Bell mode

BIT-MAPPED REGISTER S31
Format:		AT [cmds] S31=n [cmds]
Default:		Unidentified
Range:		0-194
Unit:				Bit-mapped
Description:		Select automode, auto-retrain, and auto-fallback/fall-forward.
Bit	Value		Function
0	í 0		Not used
1	0 1		Auto-mode detection disabled, uses S37 Auto-mode detection enabled
5 - 2	í 0000		Not used
7, 6	00 01 10 í 11		Auto-retrain disabled Auto-retrain enabled Auto-fallback/fall-forward enabled Both auto-retrain and auto-fallback/fall-forward enabled

BIT-MAPPED REGISTER S40
Format		AT [cmds] S40=n [cmds]
Default:		Unidentified
Range:		0-138
Unit:		Bit-mapped
Description:		Controls connect mode, break handling, and flow control.
Bit	Value	Function
1, 0	00 01 10	Normal mode enabled MNP reliable mode enabled MNP auto-reliable mode enabled
3, 2	00 01 10	\K1 \K2 \K3
6 - 4	0	Not used
7	0 1	Flow control disabled Flow control enabled

BIT-MAPPED REGISTER S41
Format		AT [cmds] S41=n [cmds]
Default:		Unidentified
Range:		0-5
Unit:		Bit-mapped
Description:		Selects compression, and encryption mode.
Bit	Value	Function
0	0 1	Data compression disabled Data compression enabled
1	0	Not used
2	0 1	Encryption disabled Encryption enabled

BREAK TYPE
Type:	Configuration
Format:	AT [cmds] \Kn [cmds]
Description:	Configures action of break signal
Command		Function
\K1		Break sent to remote modem and buffers cleared
\K2		Send break to remote modem immediately
\K3		Send break with transmitted data

DCE LINE SPEED
Type:	Register
Format	AT [cmds] Fn [cmds]
Description:	Sets the maximum allowable data exchange rate attempted
Command	Function
F0	Match DTE speed
F1	2400bps
F2	4800bps
F3	7200bps
F4	9600bps
F5	12Kbps
F6	14.4Kbps
F7	16.8 Kbps
F8	19.2Kbps
F9	21.6 Kbps
F10	24 Kbps
F11	26.4 Kbps
F12	28.8Kbps

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
P	Pulse dialing enabled
T	Tone dialing enabled/Pulse dialing disabled
R	Dial a call in answer mode.
W	Dialing resumed following detection of second dial tone, time specified in S7 register use for time-out.
,	Dialing paused for amount of time specified in S8 register
!	Flash function initiated. Modem commanded to go off-hook for .5 second before returning on-hook.
@	Waits for 5 seconds of silence then continues.
;	Modem returned to command state after dialing. The semicolon can only be placed at the end of the dial command.
L	Re-dial last number
S=n	Dial stored telephone number n

COMPRESSION
Type:	Configuration
Format:	AT [cmds] %Cn [cmds]
Description:	Selects data compression
Command	Function
%C0	Data compression disabled
%C1	Data compression 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
\N2	MNP reliable mode enabled
\N3	MNP auto-reliable mode enabled

ENCRYPTION/SECURITY
Type:	Configuration
Format:	AT [cmds] $In [cmds]
Description:	Sets up encryption and password for a secure connection. n=0-1
Note: After the command is issued use the keypad on the modem to enter the PIN number. This will be retained unitl ATZ is issued or the modem is turned off. The modem will now be in encryption mode.

ENCRYPTION/SECURITY - BYPASS
Type:	Immediate
Format:	AT [cmds] $B1 [cmds]
Description:	Used to bypass encryption/security to make a connection with another modem without this feature. The modem will prompt the user to enter a PIN to bypass, use the key pad on the modem.

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

FLOW CONTROL
Type:	Register
Format	AT [cmds] S39? [cmds]
Description:	Displays the current flow control
Value	Meaning
0	Flow control disabled
3	RTS/CTS flow control enabled
4	XON/XOFF flow control enabled
5	Transparent XON/XOFF flow control enabled

LINE SIGNAL LEVEL
Type:	Immediate
Format:	AT [cmds] %L [cmds]
Default:	Unidentified
Range:	9-43
Unit:	-dBm
Description:	Returns a value which indicates the received line signal level

LINE SIGNAL QUALITY
Type:	Immediate
Format:	AT [cmds] %Q [cmds]
Default:	Unidentified
Range:	0-127
Unit:	Unidentified
Description:	Returns a value which indicates line signal quality

LIST S-REGISTERS
Type:	Immediate
Format:	AT [cmds] %R [cmds]
Description:	Display all S-registers (Block format)

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