Card Type	Modem(synchronous/asynchronous)
Chip Set	Unidentified
Maximum Data Rate	28.8Kbps
Maximum Fax Rate	14.4Kbps
Data Bus	External
Fax Class	Unidentified
Data Modulation Protocol	Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, v.FAST
Fax Modulation Protocol	Unidentified
Error Correction/Compression	MNP5, MNP10, V.42, V.42bis

CONNECTIONS
Function	Label		Function		Label
Line in		CN1		25-Pin parallel port		CN4
Line out		CN2		DC power		CN5
9-Pin mini-DIN connector		CN3		Power switch		SW1

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
PWR	Green	On	Power is on
PWR	Green	Off	Power is off
DTR	Red	On	DTR signal is high
DTR	Red	Off	DTR signal is low
OH	Red	On	Modem is off hook
OH	Red	Off	Modem is on hook
DCD	Green	On	Carrier signal detected
DCD	Green	Off	Carrier signal not detected
EC	Red	On	Modem is in error correction mode
EC	Red	Off	Modem is not in error correction mode

DIAGNOSTIC LED(S) POWER-UP DIAGNOSTIC TESTING
CD	EC	Condition
Off	On	Test of RAM failed
On	Off	Component failure
On	On	Test of CPU failed
3 Blinks	Off	All tests passed

DIAGNOSTIC LED(S) SPEED (bps)
LED	Status	1 Blink	2 Blinks	3 Blinks	4 Blinks	5 Blinks	6 Blinks	7 Blinks
V.22bis	Blinking	1200	2400
V.32bis	Blinking	4800	7200	9600	12000	144000
V.fast	Blinking	14400	16800	19200	21600	24000	26400	28800

Auto-answer auto-logon sequence select
Type:	Configuration
Format:	AT [cmds] $An [cmds]
Description:	Sets whether auto-answer auto-logon sequence are used
Command		Function
í $A0		Auto-answer auto-logon disabled
$Ax		Auto-answer auto-logon enabled for the sequence x, where x has a range of 1-9 and the sequence must first be set using the $L command

automatic shut-down auto saving
Type:	Configuration
Format:	AT [cmds] )Zn [cmds]
Description:	Sets whether the modem saves configurations before it automatically shuts down
Command		Function
)Z0		Auto saving disabled
)Z1		Auto saving enabled (*W function enacted 5 seconds prior to shut-down)

BIT-MAPPED REGISTER S22
Format		AT [cmds] S22=n [cmds]
Default:		Unidentified
Range:		0-255
Unit:		Bit-mapped
Description:		Controls speaker volume and controls, results codes, and pulse dial make/break ratio.
Bit	Value	Function
1, 0		Not used
3, 2	00 01 10 11	Speaker off Speaker off on carrier Speaker always on Speaker on during handshake
6 - 4	000 100 101 110 111	Busy and dial tone detection disabled; result codes 0 - 4 enabled Busy and dial tone detection disabled; result codes 0 - 5 & 10 enabled Busy tone detection disabled, dial tone detection enabled; result codes 0 - 6 & 10 enabled Busy tone detection enabled, dial tone detection disabled; result codes 0 - 5, 7 & 10 enabled Busy and dial tone detection enabled; result codes 0 - 7 & 10 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:		Unidentified
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 1	Remote digital loopback denied Remote digital loopback allowed
3 - 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 38400, 57600 and 115200 bps
5, 4	00 01 10 11	Parity even Space parity Parity odd Mark or no parity
7, 6	00 01 10 11	Guard tone disabled Guard tone disabled Guard tone 1800Hz enabled Not used

BIT-MAPPED REGISTER :T15
Format		AT [cmds] :T15=n [cmds]
Default:		128
Range:		0-193
Unit:		Bit-mapped
Description:		Sets the V.24 control
Bit	Value	Function
0	0 1	CTS not effected by direct mode retrains CTS lowered by direct mode retrains
5- 1		Not used
6	0 1	DCD enabled DCD enabled after carrier signal detected
7	0 1	V.32 answer tone phase reversals disabled V.32 answer tone phase reversals enabled

BIT-MAPPED REGISTER :T19
Format		AT [cmds] :T19=n [cmds]
Default:		1
Range:		0-1
Unit:		Bit-mapped
Description:		Sets the link control for MNP
Bit	Value	Function
0	0 1	Modem will not disconnect a non-MNP10 1200 bps connection if it does not receive MNP link activity from the remote modem Modem will disconnect a non-MNP10 1200 bps connection if it does not receive MNP link activity from the remote modem for a period of 2 minutes

BIT-MAPPED REGISTER :T23
Format		AT [cmds] :T23=n [cmds]
Default:		Unidentified
Range:		Unidentified
Unit:		Bit-mapped
Description:		Controls the negotiation of rate
Bit	Value	Function
3- 0		Not used
4	0 1	Modem examines line quality and then sets speed during a V.32 connection Disabled
7- 5		Not used

BIT-MAPPED REGISTER :T26
Format		AT [cmds] :T26=n [cmds]
Default:		0
Range:		0-255
Unit:		Bit-mapped
Description:		Used to speed up cellular connection time
Bit	Value	Function
0	0 1	2 second billing delay enabled 2 second billing delay disabled
1	0 1	V.32 mode answer tone length normal V.32 mode answer tone length shortened

BREAK TYPE
Type:	Configuration
Format:	AT [cmds] \Kn [cmds]
Description:	Configures action of break signal
Command		Break from DTE	Modem receives \Bn form local DTE	Break sent by local modem	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, modem set to command mode	Buffers cleared, break sent to DTE
\K1		Break sent to remote modem and buffers cleared	Break sent to remote modem and buffered cleared	Send break to remote modem	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, modem set to command mode	Break sent immediately to DTE
\K3		Send break to remote modem immediately	Send break to remote modem immediately	Send break to remote modem	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, modem set to command mode	Break sent with received data to the DTE
\K5		Send break with transmitted data	Send break with transmitted data	Send break to remote modem	Break sent with received data to the DTE

Buffer disconnect delay
Type:	Configuration
Format	AT [cmds] )%Dn [cmds]
Default:	0
Range:	0-255
Unit:	1 sec
Description:	Sets the delay within which the modem tries to process data within it’s transmit receive buffer, before it disconnects

CLEAR TO SEND TIME DELAY
Type:	Configuration
Format	AT [cmds] :Vn [cmds]
Default:	0
Range:	0-255
Unit:	.0125 second
Description:	Sets the time the modem waits before engaging CTS (Clear To Send)

COMMUNICATION PROTOCOLS
Type:	Configuration
Format:	AT [cmds] Bn [cmds]
Description:	Selects the communication protocol for data calls
Note: The B command allows the simultaneous selection of more than one suffix, enabling multiple protocols.
Command	Protocol
B0	ITU-T V.21 and V.22 at 300 or 1200bps
B1	Bell 103 and 212A at 300 or 1200bps

connect message TIMER
Type:	Register
Format	AT [cmds] :T14=n [cmds]
Default:	0
Range:	0-255
Unit:	.1 sec
Description:	The period of time that the modem waits before or after a connect message to force CTS, DSR and DCD to high

Connect state
Type:	Immediate
Format:	AT [cmds] On [cmds]
Description:	Puts the modem into a connect state
Command		Function
O		Begin connect state
O1		Begin connect state and retrain if connected at 2400bps or higher

Connection training TIMER for v.32 and v.32bis
Type:	Register
Format	AT [cmds] :T17=n [cmds]
Default:	0
Range:	0, 5-28
Unit:	Unidentified
Description:	The period of time that the modem uses for exchanging the training sequences while trying to establish a V.32 or a V.32bis connection

CTS Activation TIMER
Type:	Register
Format	AT [cmds] :T16=n [cmds]
Default:	0
Range:	0-255
Unit:	12.5 sec
Description:	When DCD and or DSR have been turned on, this is the amount of time before CTS is turned on

cts, dsr and dcd connection control
Type:	Configuration
Format:	AT [cmds] @Cn [cmds]
Description:	Sets when CTS,DSR and DCD go on
Command		Function
í @C0		CTS,DSR and DCD forced high after connect message is sent
@C1		CTS,DSR and DCD forced high before connect message is sent

data carrier detect
Type:	Configuration
Format:	AT [cmds] &Cn [cmds]
Description:	Selects data carrier detect mode
Command	Function
&C0	DCD forced high
&C1	DCD follows the state of the remote system, with DCD forced high after connect message
&C2	DCD forced high except during at disconnect

DATA SEND READY TIME DELAY
Type:	Configuration
Format	AT [cmds] :Xn [cmds]
Default:	0
Range:	0-255
Unit:	.0125 second
Description:	Sets the time the modem waits before engaging data send ready

DCD delay
Type:	Configuration
Format	AT [cmds] :Un [cmds]
Range:	0-255
Unit;	.0125 sec
Description:	Sets the delay before the modem switches DCD on

DCD turn on delay TIMER
Type:	Register
Format	AT [cmds] :T6=n [cmds]
Default:	200
Range:	0-255
Unit:	.001sec
Description:	In normal mode V.23 half duplex connections, this is the period of time that the modem waits after the carrier has been turned on, before it begins to look for data

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
DL	Re-dial last number
DP	Pulse dialing enabled
DR	Answer mode enabled; originate mode disabled following handshake initiation.
DS=n	Dial stored telephone number n
DT	Tone dialing enabled/Pulse dialing disabled
DW	Dialing resumed following dial tone detection
D!	Flash function initiated. Modem commanded to go off-hook for specified time before returning on-hook.
D@	Wait for Quiet 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.
D$	Wait for prompt tone detection function enabled. Waits for prompt tone for amount of time specified by the S7 command.
D;	Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command.
DA	Link negotiation performed at 4800 bps
DJ	Link negotiation performed at 1200 bps
DK	Cellular connection
DNx	Used as the last character in a dial string, if connection fails then a connection is attempted with the stored number x, which has a range of 1-9 and is previously stored using the &Z command or the \P command
DO	modem is set to work with a remote (cell-side) cellular phone
DS	Dials the first number stored using the &Z command
D+x	Dials, connects, then initiates the logon sequence x
DM	Override set operating mode and dial in LAPM mode
DQ	Override set operating mode and dial in LAPM mode with fallback to normal mode
DU	Override set operating mode and dial in direct mode
DV	Override set operating mode and dial in LAPM mode with fallback to MNP
DX	Override set operating mode and dial in auto-reliable mode
DY	Override set operating mode and dial in MNP reliable mode
DZ	Override set operating mode and dial in normal mode

Dial access security
Type:	Configuration
Format:	AT [cmds] $Gn [cmds]
Description:	Sets dial access security during logon
Command		Function
$G0		Dial access security disabled
$G1		Dial access security enabled

dial access security database display
Type:	Immediate
Format:	AT [cmds] $In [cmds]
Description:	Displays the dial access security database

Display contents of registers
Type:	Immediate
Format:	AT [cmds] %Rn [cmds]
Description:	Display content of registers
Command		Function
%R0		Displays contents of all S-registers
%R1		Displays content of all :Tn Commands

DISPLAY TELEPHONE NUMBERS
Type:	Immediate
Format:	AT [cmds] \Fn [cmds]
Description:	Displays numbers stored in the directory

DSR AND CTS CONTROL FOR SERIAL PORT
Type:	Configuration
Format:	AT [cmds] \Dn [cmds]
Description:	Controls data send ready and clear to send
Command		Function
í \D0		DSR and CTS forced high
\D1		DSR and CTS follow DCD, If &C1 is set then DSR follows off-hook
\D2		DSR and CTS follow DCD
\D3		DSR set to ITU-T recommendations, CTS forced high
\D4		DSR and CTS set to ITU-T recommendations

DSR disconnect TIMER
Type:	Register
Format	AT [cmds] :T22=n [cmds]
Default:	34
Range:	0-255
Unit:	.0125 sec
Description:	The period of time after DCD and or CTS are dropped until DSR is dropped at disconnect

Dumb Mode
Type:	Configuration
Format:	AT [cmds] -Hn [cmds]
Description:	Sets the modem to ignore commands (Dumb mode)
Command		Function
-H1		Dumb mode disabled
-H2		Dumb mode enabled

Edit dial accesss security database
Type:	Configuration
Format	AT [cmds] )$Hn [cmds]
Range:	1-9
Description:	Edits the dial access security database position n

Edit logon sequence
Type:	Configuration
Format	AT [cmds] )$Ln [cmds]
Range:	1-9
Description:	Edits the logon sequence n

EXTENDED RESULT CODES
Type:	Configuration
Format:	AT [cmds] \Vn [cmds]
Description:	Selects extended result codes
Command	Function
\V0	Extended result codes disabled
\V1	Extended result codes enabled
í \V2	Extended error correction protocol result codes enabled
\V3	/REL added to extended error correction result codes, displays Hayes short result codes
\V4	Extended error correction protocol result codes enabled

Fallback speed
Type:	Configuration
Format:	AT [cmds] -Qn [cmds]
Description:	Sets the type of fallback used by the modem
Command		Function
-Q0		V.fast, V.32bis, or V.32 MNP reliable connection fallback to a MNP reliable 2400bps or 1200bps connection disabled
-Q1		V.fast, V.32bis, or V.32 MNP reliable connection fallback to a MNP reliable 2400bps connection enabled
-Q2		V.fast, V.32bis, or V.32 MNP reliable connection fallback to a MNP reliable 2400bps or 1200bps connection enabled

False answer disconnect TIMER
Type:	Register
Format	AT [cmds] :T7=n [cmds]
Default:	60
Range:	0-255
Unit:	1 sec
Description:	In normal mode, when V.23 half duplex connections occur after fallback, this is the period of time that the modem waits before disconnecting after receiving no data

FIRMWARE VERSION display
Type:	Immediate
Format:	AT [cmds] %Vn [cmds]
Description:	Displays the firmware main code version for the modem

FLOW CONTROL
Type:	Configuration
Format:	AT [cmds] \Gn [cmds]
Description:	Selects modem port flow control
Command	Function
í \G0	Flow control disabled
\G1	XON/XOFF flow control enabled
\G2	XON/XOFF flow control enabled uni-directionally

Hewlett Packard EMULATION
Type:	Configuration
Format:	AT [cmds] \Hn [cmds]
Description:	Configures the modem to emulate Hewlett Packard ENQ/ACK
Command		Function
í \H0		HP ENQ/ACK disabled
\H1		HP ENQ/ACK enabled within a MNP reliable link/terminal emulated
\H2		HP ENQ/ACK enabled within a MNP reliable link/host emulated

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 (serial port)
Type:	Configuration
Format	AT [cmds] )Qn [cmds]
Default:	0
Range:	0-255
Unit:	1 minute
Description:	Sets the time serial port must be inactive for the modem to automatically shut down

Kermit and uucp spoofing
Type:	Configuration
Format:	AT [cmds] :Kn [cmds]
Description:	Sets the type of Kermit and UUCP protocol used by the modem
Command		Function
í :K0		Kermit and UUCP spoofing disabled (asynchronous protocols)
:K1		Kermit spoofing enabled (asynchronous protocols)
:K2		UUCP spoofing enabled (asynchronous protocols)

kermit mark character
Type:	Configuration
Format	AT [cmds] :Qn [cmds]
Default:	1
Range:	0-31
Unit:	ASCII
Description:	Sets the mark character used by Kermit

Line turnaround TIMER
Type:	Register
Format	AT [cmds] :T4=n [cmds]
Default:	20
Range:	0-255
Unit:	.0125sec
Description:	In normal mode V.23 half duplex connections, after the local modem turns carrier off, this is the amount of time the local modem waits for the remote modem to respond, before it turns the carrier on again and resumes the transmission of data.

Logon sequence password
Type:	Immediate
Format:	AT [cmds] $P [cmds]
Description:	Changes the password used to alter the logon sequence

LOW Battery WARNING
Type:	Configuration
Format:	AT [cmds] )Vn [cmds]
Description:	Sets the type of notification that should occur upon low battery
Command		Function
í )V0		Disabled
)V1		3 Bell characters
)V2		3 Bell characters and LOW BATTERY warning

manual dialing
Type:	Configuration
Format:	AT [cmds] :Dn [cmds]
Description:	Sets if the modem goes off-hook in originate mode
Command		Function
í :D0		If DTR is raised then modem goes off-hook
:D1		If DTR is raised then modem goes off-hook in originate mode, &D must be set
:D2		If DTR is raised then modem goes off-hook in originate mode and dials the first telephone number that is stored, &D must be set

Mnp class connection Messages
Type:	Configuration
Format:	AT [cmds] -Mn [cmds]
Description:	Sets whether or not a class connection message is shown
Command		Function
í -M0		MNP class connection message disabled
-M1		MNP class connection message enabled

Modem Port Rate
Type:	Configuration
Format:	AT [cmds] %Bn [cmds]
Description:	Sets the bits per second rate for the modem port
Command		Function
%B75		75bps
%B300		300bps
%B600		600bps
%B1200		1200bps
%B2400		2400bps
%B4800		4800bps
%B9600		9600bps
%B19200		19200bps
%B38400		38400bps
%B57600		57600bps
%B115200		115200bps

MODEM POrT SPEED CONFIGURATION
Type:	Configuration
Format:	AT [cmds] %Gn [cmds]
Description:	Sets how modem port speed is configured
Command		Function
í %G0		Modem port speed is determined by serial port
%G1		Modem port speed is determined by %B command

ONLINE STATUS
Type:	Immediate
Format:	AT [cmds] \Sn [cmds]
Description:	Lists modem commands with their current settings, displays connection type, elapsed time, and last number dialed
Note:	The information is displayed on several screens, hit any key to scroll down, hit <control> x to cancel

Packet size (parallel port)
Type:	Register
Format	AT [cmds] :T29=n [cmds]
Default:	32
Range:	0-63
Unit:	1 Character
Description:	The maximum number of characters sent in a data packet from computer to modem or from modem to computer
Note:	If the value is set to 0 then the modem selects the best packet size

Parity check
Type:	Configurarion
Format:	AT [cmds] -Pn [cmds]
Description:	Sets how parity is checked
Command		Function
í -P0		Parity for special characters ignored
-P1		Process special characters when their parity matches serial port parity
-P2		Process special characters when their parity matches serial port parity, modem port flow characters are also recognized

Power level adjustment (cellular connections)
Type:	Configuration
Format:	AT [cmds] )Mn [cmds]
Description:	Adjusts the power level used by the modem
Command		Function
)M0		Auto power adjustment (cellular and non cellular)
)M1		Power level adjustment forced (cellular)

PULSE DIAL SETTING
Type:	Configuration
Format:	AT [cmds] %Wn [cmds]
Description:	Sets the format for pulse dialing, where x is the digit being dialed
Command		Function
í %W0		X pulses dialed
%W1		X+1 pulse dialed
%W2		10- x pulses dialed

Read :t (configuration) Register
Type:	Immediate
Format	AT [cmds] ):Tn? [cmds]
Description:	Displays the value of the :T register n

Re-Dial
Type:	Immediate
Format:	AT [cmds] -Dn [cmds]
Description:	Dials or re-dials a number in several different formats
Command		Function
-D<number>		Dials a number up to 98 characters long
-D/x		Dials the telephone stored in the directory location x using the \P command
-DL		Dials last number dialed
-DS		Dials first entry stored in the directory

remote access
Type:	Configuration
Format:	AT [cmds] *En [cmds]
Description:	Enables the use of remote access
Command		Function
í *E0		Remote access disabled
*E1		Remote access enabled

Remote access Attention CHARACTER
Type:	Configuration
Format	AT [cmds] *Sn [cmds]
Default:	42, <*>
Range:	0-126
Unit:	ASCII
Description:	Sets the attention character used to request remote access

remote access Configuration RECOVERY
Type:	Immediate
Format:	AT [cmds] *Q[cmds]
Description:	Ignores changes made but not saved in level 1 remote access sessions

remote access configuration update
Type:	Immediate
Format:	AT [cmds] *U [cmds]
Description:	Saves changes made to the configurations during a level 1 remote access call

Remote Access IDENTIFIER
Type:	Configuration
Format:	AT [cmds] *I [cmds]
Description:	Sets the identifier used in remote access sessions

remote access level change - down
Type:	Immediate
Format:	AT [cmds] *X [cmds]
Description:	Sets remote access down one level
Note:	If remote access is at level 0 then, the remote access session ends and the originating modem is set to connect state

Remote access level change - up
Type:	Immediate
Format:	AT [cmds] *M [cmds]
Description:	Requests to move up to level 1 from level 0 in a remote access session

remote access password
Type:	Immediate
Format:	AT [cmds] *Pn [cmds]
Description:	Sets password for remote access
Command		Function
*P0		Sets password for level 0 remote access
*P1		Sets password for level 1 remote access

remote access request
Type:	immediate
Format:	AT [cmds] *A [cmds]
Description:	Requests a remote access

Remote access security
Type:	Configuration
Format:	AT [cmds] *Rn [cmds]
Description:	Turns on remote access security
Note:		All passwords must be set before enabling Remote Access Security
Command		Function
*R0		Remote access security disabled
*R1		Remote access security enabled

RESULT CODES
Type:	Configuration
Format:	AT [cmds] Qn [cmds]
Description:	Enables modem to send result codes to the DTE
Command	Function
í Q0	Result code sending enabled
Q1	Result code sending disabled
Q2	Result code for answer mode disabled

Security database clear
Type:	Immediate
Format:	AT [cmds] $Jn [cmds]
Description:	Clears various security and phone number databases
Command		Function
$J0		Dial access security database cleared and $L1-$L5 restored to default
$J1		Dial access security database cleared, $L1-$L5 restored to default, connection security password database cleared, stored telephone numbers cleared and last number dialed cleared.

SECURITY PASSWORD
Type:	Configuration
Format	AT [cmds] )%In [cmds]
Default:	No password set, password connection security disabled
Description:	Sets a new password for password connection security

serial port parity
Type:	Configuration
Format:	AT [cmds] -On [cmds]
Description:	Changes the parity settings for the serial port
Command		Function
-O0		7 data bits/odd parity
-O1		7 data bits/even parity
-O2		7 data bits/mark parity
-O3		7 data bits/space parity
-O4		8 data bits/no parity

Serial port rate
Type:	Configuration
Format:	AT [cmds] $Bn [cmds]
Description:	Sets the rate of the serial port in bits per second
Command		Function
$B775		775 bps
$B300		300 bps
$B600		600 bps
$B1200		1200 bps
$B2400		2400 bps
$B4800		4800 bps
$B9600		9600 bps
$B19200		19200 bps
í $B38400		38400 bps
$B57600		57600 bps
$B115200		115200 bps

SERIAL PORT RING INDICATION
Type:	Configuration
Format:	AT [cmds] \Rn [cmds]
Description:	Sets preferences for the ring indicator signal
Command		Function
\R0		Signal on during call
\R1		Signal is turned off when call is answered

serial port speed
Type:	Configuration
Format:	AT [cmds] %Un [cmds]
Description:	Sets the serial port speed change type
Command		Function
%U0		Serial port speed can be changed to any other speed
%U1		Keep current port speed
%U2		Serial port speed can be changed from any other speed

Type:	Configuration
Format:	AT [cmds] )Un [cmds]
Description:	Sets the type of notification that should occur 20 seconds before shut down
Command		Function
í )U0		Disabled
)U1		3 Bell characters
)U2		3 Bell characters and SHUT DOWN

Speed Matching
Type:	Configuration
Format:	AT [cmds] %Ln [cmds]
Description:	Sets the type of speed matching used
Command		Function
%L0		Partial speed matching enabled
%L1		Speed matching enabled
%L2		Speed matching disabled
%L3		ITU-T automode enabled

STORE CONFIGURATION (COMPLETE)
Type:	Immediate
Format:	AT [cmds] *Wn [cmds]
Description:	Sets user configurations according to active commands and registers
Note:		Unlike the &W command, this one also stores restricted S-registers
Command		Function
*W0		Stores active commands and registers in configuration 0
*W1		Stores active commands and registers in configuration 1

Store telephone number
Type:	Immediate
Format:	AT [cmds] \Pn [cmds]
Description:	Stores the phone number n of up to 39 digits

TRANSMISSION LEVEL - CELLULAR
Type:	Configuration
Format:	AT [cmds] @Mn [cmds]
Description:	Sets the signal level for transmission while in cellular mode
Command	Function
í @M0	-26 dBm
@M1	-30 dBm
@M2-@M10	-10 dBm
@Mx	After @M10 the level becomes variable and is equal to -x dBm, x has a range of 10 - 35

View mode (logon)
Type:	Configuration
Format:	AT [cmds] $Vn [cmds]
Description:	Sets if data is passed through to from remote computer to local computer, durin a logon sequence
Command		Function
$V0		View mode disabled
$V1		View mode enabled

V.21 and v.23 answer tone TIMER
Type:	Register
Format	AT [cmds] :T3=n [cmds]
Default:	3
Range:	0-33
Unit:	.1 sec
Description:	If the answering modem is set to V.21 or V.23 then :T3 is period of time that the V.25 answer tone is emitted If the originating modem is set to V.21 or V.23 then :T3 is period of time that the modem waits after it receives tone and proceeds with connection

V.21 connection attempt TIMER
Type:	Register
Format	AT [cmds] :T2=n [cmds]
Default:	0
Range:	0-255
Unit:	.1 sec
Description:	Time that the modem attempts a V.21 connection, before establishing a V.23 half duplex connection

V.23 split speed or a V.23 connection attempt TIMER
Type:	Register
Format	AT [cmds] :T1=n [cmds]
Default:	30
Range:	0-255
Unit:	.1 sec
Description:	Time that the modem attempts a V.23 split speed connection, before establishing a V.21 or a V.23 half duplex connection

V.23 equalizer settings
Type:	Configuration
Format:	AT [cmds] %On [cmds]
Description:	Sets V.23 equalizer settings for half-duplex mode
Command		Function
%O0		Equalizers disabled in V.23 half-duplex mode
%O1		Equalizers enabled in V.23 half-duplex mode