Card Type	Modem (asynchronous)
Chip Set	Unidentified
Maximum Modem Rate	33.6Kbps
Maximum Fax Rate	14.4Kbps
Data Modulation Protocol	Bell 103/212A ITU-T V.34, V.32bis, V.32, V.22bis, V.21
Fax Modulation Protocol	ITU-T V.21 CH2, V.27ter, V.29, V.17
Error Correction/Compression	MNP5, V.42, V.42bis
Fax Class	Class I
Data Bus	External

CONNECTIONS
Function	Label		Function		Label
Line in		CN1		DC power		CN4
Line out		CN2		Restore factory defaults switch		SW1
RS-232/422 serial port		CN3		Power switch		SW2

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
AA	Unidentified	On	Auto-answer enabled
AA	Unidentified	Off	Auto-answer disabled
AA	Unidentified	Blinking	Incoming call detected
RD	Unidentified	On	Computer is receiving data from the modem
RD	Unidentified	Off	Computer is not receiving data from the modem
SD	Unidentified	On	Computer is transmitting data to the modem
SD	Unidentified	Off	Computer is not transmitting data to the modem
CD	Unidentified	On	Carrier signal detected
CD	Unidentified	Off	Carrier signal not detected
OH	Unidentified	On	Modem is off-hook
OH	Unidentified	Off	Modem is on-hook
HS	Unidentified	On	Modem is operating at 16800, 19200, 21600, 28800, or 33600bps
HS	Unidentified	Blinking	Modem is operating at 300, 1200, or 2400bps
HS	Unidentified	Off	Modem is operating at 4800, 7200, 9600, 12000, 14400bps
TR	Unidentified	On	DTR signal is high
TR	Unidentified	Off	DTR signal is low
MR	Unidentified	On	Power is on
MR	Unidentified	Off	Power is off

SUPPORTED COMMAND SET

Basic AT Commands

AT, ‘+++’, A/

A, E, O, V, X, Y, Z

&G, &L, &T, &W, &X, &Y, &Z

Extended AT Commands

\A, \G, \X

S Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25, S26

Note: See MHI Help File for full command documentation.

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
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,	Dialing paused for amount of time specified in S8 register
D!	Flash function initiated. Modem commanded to go off-hook for specified time before returning on-hook.
D@	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.
D;	Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command.

HOOK CONTROL
Type:	Immediate
Format:	AT [cmds] Hn [cmds]
Description:	Selects whether the modem is on-hook or off-hook
Command	Function
í H0	Modem commanded to go on-hook (hang-up)
H1	Modem commanded to go off-hook (pick-up)
H2	Set H command to allow cleardown
H3	Set H command to disallow cleardown

REPORT INFORMATION
Type:	Immediate
Format:	AT [cmds] In [cmds]
Description:	Displays information requested
Command	Function
I0	Reports product code
I1	Reports EPROM CRC value
I3	Reports product version
I4	Reports capability code
I5	Reports disconnect reason

SPEAKER VOLUME
Type:	Configuration
Format:	AT [cmds] Ln [cmds]
Description:	Controls speaker volume
Command	Function
L0	Low volume setting
L1	Low volume setting
í L2	Medium volume setting
L3	Highest volume setting

SPEAKER MODE
Type:	Configuration
Format:	AT [cmds] Mn [cmds]
Description:	Selects various speaker options
Command	Function
M0	Speaker disabled
í M1	Speaker enabled until carrier signal detected
M3	Speaker enabled following dialing, then disabled after carrier signal detected.

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 sending in originate mode only

DATA CARRIER DETECT (DCD)
Type:	Configuration
Format:	AT [cmds] &Cn [cmds]
Description:	Selects whether the DCD option is enabled or disabled
Command	Function
í &C0	DCD enabled
&C1	DCD enabled after carrier signal detected
&C2	DCD off 5 seconds after disconnect
&C3	DCD follows remote RTS

DATA TERMINAL READY (DTR)
Type:	Configuration
Format:	AT [cmds] &Dn [cmds]
Description:	Selects modem response to DTR
Note: The action each variant of &D causes depends on the setting of &Q
Command	Function
í &D0	Modem does not respond to DTR
&D1	Modem goes to command mode after DTR goes is off
&D2	Modem goes to command mode and disconnects (hangs up) after DTR goes off; Auto-Answer is disabled.
&D3	Modem is initialized after DTR goes off
&D9	DTR dials/disconnects

FACTORY DEFAULT PROFILE
Type:	Configuration
Format:	AT [cmds] &F [cmds]
Description:	Sets values in active profile to values found in the default profile
Command	Function
í &F0	Restore factory default 0
&F1	Restore factory default 1

COMMUNICATIONS MODE
Type:	Configuration
Format:	AT [cmds] &Mn [cmds]
Description:	Selects communications mode
Command	Mode
í &M0	Asynchronous dial/asynchronous data
&M1	Asynchronous dial/synchronous data
&M2	Dial stored number when DTR off/on transition is detected/sync data
&M3	Manual dial/sync data
&M4	V.25bis dialer/BISYNC protocol/sync data (EBCDIC)
&M5	V.25bis dialer/SDLC protocol/sync data (NRZ)
&M6	V.25bis async dial/sync data
&M7	V.25bis async dial/async data
&M8	V.25bis dialer w/BISYNC protocol/sync data (EBCDIC)
&M9	V.25bis dialer w/SDLC protocol/sync data (EBCDIC) (NRZ)
&M10	V.25bis dialer w/SDLC protocol/sync data (ASCII) (NRZI)
&M11	V.25bis dialer w/SDLC protocol/sync data (EBCID) (NRZI)

PULSE DIALING RATIO
Type:	Configuration
Format:	AT [cmds] &Pn [cmds]
Description:	Selects pulse dial make/break ratio
Command	Function
í &P0	39/61ms at 10pps (North America)
&P1	33/67ms at 10pps (Europe)

RTS/CTS
Type:	Configuration
Format:	AT [cmds] &Rn [cmds]
Description:	Selects RTS/CTS options
Command	Function
í &R0	CTS follows RTS in data mode; RTS is ignored in command mode.
&R1	CTS forced high, RTS is ignored.
&R2	CTS follows DCD
&R9	CTS equals RTS

DATA SET READY (DSR)
Type:	Configuration
Format:	AT [cmds] &Sn [cmds]
Description:	Selects DSR options
Command	Function
&S0	DSR forced high
í &S1	DSR high when ready to accept data
&S2	DSR off for 5 seconds after disconnect
&S3	DSR follows off hook

CONFIGURATION PROFILES
Type:	Immediate
Format:	AT [cmds] &V [cmds]
Description:	Displays active and stored configuration profiles
Command	Function
&V0	View configuration profiles
&V1	Displays received signal status
&V2	Displays active profile

BREAK SEND
Type:	Configuration
Format:	AT [cmds] \Bn [cmds]
Default:	35
Range:	1-255
Unit:	20ms
Description:	Sends break to modem
Command	Function
\B0	Transmit break signal
\B1	Set break length in 20ms increments

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
\C0	Data is discarded
\C1	Data is buffered

LOCK SERIAL PORT
Type:	Configuration
Format:	AT [cmds] \Jn [cmds]
Description:	Sets operation of serial port speed
Command	Function
\J0	Serial speed locked
\J1	Serial speed follows connect speed
\J2	Enable 230.4Kbps serial speed
\J3	Disable 230.4Kbps serial speed

BREAK TYPE
Type:	Configuration
Format:	AT [cmds] \Kn [cmds]
Description:	Configures action of break signal
Command	Function
\K1	Break signals empty data buffers
\K3	Expedite break signals
\K5	Sequence break signals with data

V.42 FAST DETECT
Type:	Configuration
Format:	AT [cmds] \Mn [cmds]
Description:	Controls the V.42 fast detect data sequence
Command	Function
\M0	V.42 fast detect data sequence disabled
\M1	V.42 fast detect data sequence 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 mode
\N3	MNP with normal fallback
\N4	LAPM only
\N5	LAPM with normal fallback
\N6	LAPM with MNP fallback
\N7	LAPM with MNP and normal fallback

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	Bidirectional XON/XOFF flow control enabled
\Q2	CTS flow control by DCE enabled
\Q3	Bidirectional RTS/CTS flow control enabled

RING INDICATE
Type:	Configuration
Format:	AT [cmds] \Rn [cmds]
Description:	Controls the ring indicator
Command	Function
\R0	LED AA blinks for ring and remains on during the call
\R1	LED AA blinks for ring and turns off when call is answered

INACTIVITY TIMER
Type:	Configuration
Format:	AT [cmds] \Tn [cmds]
Range:	1-255
Unit:	1 second
Description:	Sets the length of time that the modem does not receive information before it disconnects.

EXTENDED RESULT CODES
Type:	Configuration
Format:	AT [cmds] \Vn [cmds]
Description:	Selects extended result codes
Command	Function
\V0	Connect message shows computer speed
\V1	Connect message shows computer speed/protocol
\V2	Connect message shows modem speed
\V3	Connect message shows speed/protocol
\V4	Connect message shows modem speed/modulation/protocol

SPEED SELECTION
Type:	Configuration
Format:	AT [cmds] %Bn [cmds]
Description:	Selects the maximum connect speed
Command	Function
%B0	Use computer speed
%B1	300bps
%B2	1200bps
%B3	2400bps
%B4	4800bps
%B5	9600bps uncoded
%B6	9600bps
%B7	7200bps
%B8	12000bps
%B9	14400bps
%B10	600bps

MOTOROLAPREMIER 33.6 EXTERNAL. . . continued from previous pagePRODUCT REVISION__Type:_Immediate__Format:_AT [cmds] %Vn [cmds]__Description:_Display product revision level__Special AT CommandsV.34 ASYMMETRIC RATE__Type:_Immediate__Format:_AT [cmds] *ASn [cmds]__Description:_Sets the asymmetric bit rate__ Command_Function__ *AS0_Disable V.34 asymmetric bit rate__ *AS1_Enable V.34 asymmetric bit rate__BILTERAL DIGITAL LOOP__Type:_Immediate__Format:_AT [cmds] *DGn [cmds]__Description:_Controls the bilateral digital loop__ Command_Function__ *DG0_Disables the bilateral digital loop__ *DG1_Enables the digital bilateral loop__TEST MODE - PTT__Type:_Immediate__Format:_AT [cmds] *DNn [cmds]__Description:_Send PTT test signals for a line tests__ Command_Function__ *DN0_Allow redial with A/__ *DN1_Disallow redial with A/__DISTINCTIVE RING DETECTION__Type:_Immediate__Format:_AT [cmds] *DRn [cmds]__Description:_Controls the distinctive ring detection__ Command_Function__ *DR0_Disable distinctive ring detection__ *DR1_Enable distinctive ring detection__FAST TRAIN__Type:_Immediate__Format:_AT [cmds] *FTn [cmds]__Description:_Controls the fast train__ Command_Function__ *FT0_Disables the fast train__ *FT1_Enables the fast train__Continued on next page . . .

MOTOROLAPREMIER 33.6 EXTERNAL. . . continued from previous pageONLINE HELP__Type:_Immediate__Format:_AT [cmds] $Hn [cmds]__Description:_Online help__ Command_Function__ $H=string_Online help__PRODUCT SERIAL NUMBER__Type:_Immediate__Format:_AT [cmds] $Vn [cmds]__Description:_Displays the product serial number__Security CommandsUSER CALLBACK NUMBER__Type:_Immediate__Format:_AT [cmds] $Cn=m [cmds]__Description:_Sets the user callback number (n= user number and m= the callback number__SECURITY DISABLED__Type:_Immediate__Format:_AT [cmds] $D [cmds]__Description:_Disables security__SECURITY STATUS__Type:_Immediate__Format:_AT [cmds] $D? [cmds]__Description:_Reports the security status__SECURITY ENABLE__Type:_Immediate__Format:_AT [cmds] $EH=pw [cmds]__Description:_Enables security (pw=superuser password)__REINITIALIZE SECURITY__Type:_Immediate__Format:_AT [cmds] $F=pw$pw [cmds]__Description:_Reinitializes security (pw=superuser password)__USER INFORMATION__Type:_Immediate__Format:_AT [cmds] $I [cmds]__Description:_Reports all secure user information__Continued on next page . . .