MOTOROLA, INC.

MODEMSURFR 33600 EXTERNAL

Card Type

Modem (asynchronous)

Chip Set

Unidentified

I/O Options

Fast’RVu connectors (2)

Maximum Modem Rate

33.6Kbps

Maximum Fax Rate

14.4Kbps

Data Modulation Protocol

Bell 103/212A

V.34, V.32bis, V.32, V.22bis, V.21

Fax Modulation Protocol

ITU-T V.17, V.29, V.27ter, V.21 CH2

Error Correction/Compression

V.42, V.42bis, MNP5

Fax Class

Class I

Data Bus

External

CONNECTIONS

Function

Label

Function

Label

Line in (RJ-11)

CN1

Speaker out

CN4

Line out (RJ-11)

CN2

RS-232/422

CN5

Microphone

CN3

DC power

CN6

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

RD

Unidentified

On

Modem is receiving data

RD

Unidentified

Off

Modem is not receiving data

SD

Unidentified

On

Modem is transmitting data

SD

Unidentified

Off

Modem is not transmitting data

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

TR

Unidentified

On

DTR signal is high

TR

Unidentified

Off

DTR signal is low

RI

Unidentified

On

The modem is receiving an incoming call

RI

Unidentified

Off

The modem is not receiving an incoming call

SUPPORTED COMMAND SET

Basic AT Commands

AT, ‘+++’, A/

A, E, H, M, O, S, V, X, Z

&F, &V, &W, &Y, &Z

Extended AT Commands

\K, \Q

%A

S Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S25, S26, S38

Note: See MHI Help File for full command documentation.

Proprietary AT Command Set

AUTO FALLFORWARD/FALLBACK

Type:

Configuration

Format:

AT [cmds] &An [cmds]

Description:

Controls auto fallforward/fallback

Command

Function

í &A0

Auto fallforward/fallback disable

&A1

Auto fallforward/fallback enable

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

Force DCD on and toggle DCD on disconnect

DATA SET READY (DSR)

Type:

Configuration

Format:

AT [cmds] &Sn [cmds]

Description:

Selects DSR options

Command

Function

&S0

DSR forced high, off at disconnect

í &S1

DSR forced high in data or online mode, off in command or idle mode

&S2

DSR follows carrier detect

&S3

DSR is forced high in all modes

 

 

 

 

 

 

DATA TERMINAL READY (DTR)

Type:

Configuration

Format:

AT [cmds] &Dn [cmds]

Description:

Selects modem response to DTR

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

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

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.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

JACK TYPE

Type:

Configuration

Format:

AT [cmds] &Hn [cmds]

Description:

Selects maximum connect speed

Command

Jack Type

í &H0

Auto-detect

&H1

V.34

&H2

V.32bis automatic

&H3

V.32bis only

&H4

V.32 automatic

&H5

V.32 only

&H6

V.22 only (2400-1200bps)

&H7

V.22 only (1200bps)

&H8

Bell 212 only

&H9

Bell 103 only

&H10

V.21 only

MODEM TO MODEM SPEED

Type:

Configuration

Format:

AT [cmds] &Gn [cmds]

Description:

Sets the modem to modem speed

Command

Function

&G5

4.8Kbps

&G6

7.2Kbps

&G7

9.6Kbps

&G8

12.0Kbps

&G9

14.4Kbps

&G10

16.8Kbps

&G11

19.2Kbps

&G12

21.6Kbps

&G13

24.0Kbps

&G14

26.4Kbps

&G15

28.8Kbps

&G16

31.2Kbps

í &G17

33.6Kbps

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested

Command

Function

I0

Reports product code

I1

Reports 000

I2

Returns OK or ERROR

I3

Report firmware revision number

I4

Report configuration settings

 

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

Call progress messages on originate

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

TRELLIS CODING

Type:

Immediate

Format:

AT [cmds] &Un

Description:

Controls trellis coding

Command

Function

&U0

Trellis coding enable

&U1

Trellis coding disabled

Extended AT Commands

ANSWER MODE

Type:

Configuration

Format:

AT [cmds] %On [cmds]

Description:

Sets the answer mode

Command

Function

%O0

Answer mode if ringing

%O1

Force to answer mode

%O2

Automatic answer in originate mode

CHARACTER ABORT DELAY

Type:

Configuration

Format:

AT [cmds] %Kn [cmds]

Description:

Sets the delay before character abort

Command

Function

%K0

Enable 2 second delay

%K1

Disable delay

 

CHARACTER LENGTH

Type:

Configuration

Format:

AT [cmds] \Bn [cmds]

Description:

Sets the character length

Command

Function

\B0

6 data bits, no parity, 1 stop bit

\B1

7N1

\B2

7P1

\B3

8N1

\B4

7P2

\B5

8P1

COMPRESSION

Type:

Configuration

Format:

AT [cmds] %Cn [cmds]

Description:

Selects data compression

Command

Function

%C0

Data compression disabled

%C1

Data compression enabled

CONNECT AND PROTOCOL

Type:

Configuration

Format:

AT [cmds] \Vn [cmds]

Description:

Sets the connect and protocol message functions

Command

Function

\V0

Connect and protocol message reports modem to modem speed

\V1

Connect and protocol message reports computer to modem speed

\V2

Connect message reports computer to modem speed/V.42 error correction

\V3

Connect message reports computer to modem speed

CONNECT MODE

Type:

Configuration

Format:

AT [cmds] \Nn [cmds]

Description:

Controls the type of connection the modem will operate in

Command

Function

\N0

Normal operation

\N1

Direct operation

\N2

MNP connection only

\N3

V.42 LAPM, MNP or normal mode

\N4

V.42 LAPM connection only

\N5

V.42 LAPM or MNP mode

\N6

Simulated controlled carrier

 

 

 

 

 

DTR

Type:

Immediate

Format:

AT [cmds] %Zn [cmds]

Description:

Controls the DRT function

Command

Function

%Z0

Ignore DTR signal toggle

%Z1

Dial stored phone number (0-3) on DTR toggle

%Z2

Attempt to connect on DTR toggle

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] \Gn [cmds]

Description:

Selects modem port flow control

Command

Function

\G0

Flow control disabled

\G1

XON/XOFF flow control

\G2

XON/XOFF flow control only for transmitting data

\G3

XON/XOFF flow control with pass-through

PARITY

Type:

Configuration

Format:

AT [cmds] \Pn [cmds]

Description:

Sets parity

Command

Function

\P0

Even

\P1

Space

\P2

Odd

\P3

Mark

\P4

Automatic

RETRAIN

Type:

Immediate

Format:

AT [cmds] %Q [cmds]

Description:

Controls the retrain

Command

Function

%Q0

Disable retrain

%Q1

Attempt up to 3 retrains and disconnect if unsuccessful

%Q2

Retrain until signal quality is good

 

 

 

 

 

 

 

 

 

SPEED

Type:

Configuration

Format:

AT [cmds] \Tn [cmds]

Description:

Sets the computer to modem speed

Command

Function

\T0

Autobaud

\T1

Set to last AT command entry

\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

24.0Kbps

\T14

26.4Kbps

\T15

28.8Kbps

\T16

31.2Kbps

\T17

33.6Kbps

\T18

38.4Kbps

\T19

57.6Kbps

\T20

76.8Kbps

\T21

115.2Kbps

TIMEOUT

Type:

Configuration

Format:

AT [cmds] \Cn [cmds]

Description:

Sets timeout, fallback, data buffer

Command

Function

\C0

Timeout and fallback, speed buffer, no data buffer

\C1

Timeout and fallback, speed buffer, buffer receive data

\C2

Auto reliable, fallback with fallback character, speed buffer, no receive data buffer

\C3

Timeout and fallback, ITU-T V.14, buffer receive data

\C4

Timeout and fallback with fallback character, ITU-T V.14, no data buffer

S(status) -REGISTERS

 

RETRANSMISSION COUNTER

Type:

Register

Format

AT [cmds] S70=n [cmds]

Default:

100

Range:

0-255

Description:

Sets the number of retransmission tries