Motorola SM56 Manuel d'installation

Motorola Confidential Proprietary

UbiSurf SM56 Software Modem

AT Command

Reference Manual

UbiSurf SM56

Motorola Confidential Proprietary

Notices

2003 Motorola, Inc.

1303 East Algonquin Rd.

Schaumburg, IL 60196

(847) 538-4477

Printed in U. S. A.

Proprietary Material

Information and software in this document are proprietary to Motorola,

Inc. and without the express prior permission of an officer of Motorola,

Inc., may not be copied, reproduced, disclosed to others, published, or

used, in whole or in part, for any purpose other than that for which it is

being made available.

This document is for information purposes only and is subject to change

without notice.

Information on the World Wide Web

Additional company and product information can be found on our

Internet Web site at:

http://www.motorola.com/softmodem

Document Audience

This document is for readers who are familiar with the design of per-

sonal computer hardware and software architectures and the Windows

communications architecture.

Revision History

To comment on this manual, please send email to Wei Lin:

W.Lin@motorola.com

Revision Description Date

1.0 Created and posted to secure Web site. 4/14/03

Motorola Confidential Proprietary -1

Introduction Thank you for using the Motorola UbiSurf SM56 Modem. The modem supports

V.90/V.92 and K56flex™ connections, providing high-speed communications

between your personal computer and a remote location.

This document specifies the AT command set for Motorola UbiSurf SM56

softmodem product family. Motorola UbiSurf soft modem supports a broad base of

commands for data, fax and voice. Please find the overview of the supported

commands, responses, and registers used by Motorola UbiSurf SM56 soft modem

products in this reference manual.

In This Document Topic See Page

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

AT Commands - Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

+++ (Plus-Plus-Plus) Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

AT and AT& (Ampersand) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Table 1: AT and AT& Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

AT% (Percent) and AT\ (Backslash) Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Table 2: AT% (Percent) and AT\ (Backslash) Commands . . . . . . . . . . . . . . . . . 7

AT* (Asterisk) Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Table 3: AT* (Asterisk) Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

AT+ (Plus) Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Table 4: AT+ (Plus) Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

ATS (S-Register) Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Table 5: ATS (S-Register) Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

AT#UD Unimodem Diagnostic Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Table 6- AT#UD Last Call Status Report Format . . . . . . . . . . . . . . . . . . . . . . 29

Table 7- Call Setup Result Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Table 8– Multimedia modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Table 9– DTE-DCE modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Table 10– V.34 INFO bit report (applicable only to V.34 or V.90/V.92 calls) . 32

Table 11– gstnModulationSchemeActive from 3.7.2/V.58 . . . . . . . . . . . . . . . 33

Table 12– errorControl Active from 3.5.2/V.58 . . . . . . . . . . . . . . . . . . . . . . . . 33

Table 13– compressionActive from 3.2.2/V.58 . . . . . . . . . . . . . . . . . . . . . . . . 34

Table 14– callCleared codes from 3.6.4/V.58-1994 . . . . . . . . . . . . . . . . . . . . . 34

Table 15– Completed Data Call, with some errors and rate retrain during the call

Event Reporting Word . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

How to Add AT Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

-2 Motorola Confidential Proprietary

AT Commands -

Basics Attention (AT) commands are the means by which you control and monitor a

modem. Typically, the communications application automatically issues them, and

you need not know the commands and their options.

However, to custom-configure the modem for an application, or to optimize

performance, you can issue commands through the communications application

yourself. In most communications applications, there is a menu item, or option, for

entering extended or custom AT commands. See your communications application

documentation.

You can also configure the modem by issuing AT commands directly from a simple

terminal-emulation application. One such application is HyperTerminal, which is

present on computers that have Windows.

To issue an AT command from the terminal-emulation application, you must ensure

that the modem is in command mode (in which it can detect and respond to

commands), rather than data mode (in which it is transmitting and receiving data). To

enter command mode from data mode, enter +++. You need not press the ENTER

key.

When entering AT commands, the following basic rules apply:

• AT commands can be entered in uppercase, lowercase, or mixed text

• The characters AT begin all AT commands, except A/ and +++

• The key used as the ENTER key is specified in S-Register S3

• The maximum command length is 64 characters.

You can enter more than one AT command on a line, and you can chain commands

using just one AT at the start. However, some commands must occur at the beginning

or end of the command line.

+++ (Plus-Plus-

Plus) Commands This command, known as the escape sequence, causes the modem to stop

transmitting data (if it is doing so), and go into command mode.

Issue this command at the computer keyboard, in the communications application's

terminal window, by typing the plus sign (+) three times.

Note

Do not press the ENTER key after the +++ command. It may cancel the

command.

Motorola Confidential Proprietary -3

AT and AT&

(Ampersand) The modem responds to the following AT and AT& command options.

The letters AT (or at) must precede all commands except A/ and +++. Factory-

default options are underlined.

Table 1: AT and AT& Commands

Command

CommandCommand

Command Option

OptionOption

Option Description

DescriptionDescription

Description

A(none) Answer incoming call

A/ (none) Repeat Last Command

Re-issues the previous command to the modem.

(Do not pressReturn; the command executes as soon as the

/ is pressed.)

D(none) Dial a Number

Instructs the modem to dial the telephone number that you

enter immediately after the ATD command. Example:

ATD5554678.

Note

If multiple ATD commands are used in speakerphone

mode, the modem must be forced to blind-dial after

dial-tone detection.

E Echo Async (Keyboard) Input to Terminal

Determines whether the characters you type at the key-

board are displayed (echoed) to the terminal-emulation

window (if it is active) or to the communications applica-

tion.

E0 Disable

E1 Enable

HHook

H0 Go on Hook (disconnect from the telephone line; hang up)

H1 Go off Hook (connect to the telephone line)

I Request Information From Modem

I0 “5600”

I1 “255”

I2 “OK”

I3 Software Version

I4 “OK”

I5 Disconnect Reason

I6 Country Code

I7 Product Code

-4 Motorola Confidential Proprietary

L Speaker Volume

This parameter determines the volume, for call-progress

monitor only, of sounds such as dialing, ringing, busy,

negotiation.

L0, L1 Low

L2 Medium

L3 High

M Speaker Control

M0 Off

M1 On During Training Only

M2 Always On

M3 Off during dialing; on during call progress; off during data

transfer

O Return to On-Line Mode

This parameter determines whether the modem initiates a

retrain after changing from escape mode to data mode, or

after a semi-colon in dial strings.

O0 No Retrain

O1 Retrain

O2 Initiate Rate Renegotiation

O3 Rate Renegotiation with silence

PPPulse Dial

Q Result-Code Display

The modem can send result codes and connect messages to

the computer as a result of connecting or failing to con-

nect; establishing a data rate; and establishing error-correc-

tion and data-compression protocols. Refer to: ATV; AT\V;

ATX.

Q0 Enable display

Q1 Disable display

TTTone Dial

This command instructs the modem to use DTMF tone

dialing.

V Result-Code Format

Determines whether the modem sends short- or ling-form

messages to the communications application, indicating

the connection status, rate, and mode.

V0 Return Numeric Code (Short Form)

V1 Return Text (Long Form)

Table 1: AT and AT& Commands

Command

CommandCommand

Command Option

OptionOption

Option Description

DescriptionDescription

Description

Motorola Confidential Proprietary -5

X Select Call-Progress Result Codes to Return

X0 No Carrier; Connect. Modem reports lack of a carrier sig-

nal; connection success/failure; modem dials without wait-

ing for a dial tone

X1 No Carrier; Connect; Connect <rate>. Modem reports lack

of a carrier signal; connection success/failure, and the

computer data rate established

X2 No Carrier; Connect; Connect <rate>; No Dial Tone.

Modem reports lack of a carrier signal; connection success/

failure; the computer data rate established; and the lack of

a dial tone

X3 No Carrier; Connect; Connect <rate>; Busy-tone. Modem

reports lack of a carrier signal; connection success/failure;

the computer data rate established; and the presence of a

busy signal

X4 No Carrier; Connect; Connect <rate>; No Dial-tone; Busy-

tone. Modem reports lack of a carrier signal; connection

success/failure; the computer data rate established; the lack

of a dial tone; and the presence of a busy signal

ZZReset Modem Parameters to Default Configuration

&C DCD Control

&C0 Always Asserted

&C1 Asserted in Data Mode Only

&D DTR Control

Determines how modem responds to DTR signal from

DTE.

&D0 Ignore DTR

&D1 Enter Command mode when DTR transitions from

asserted to de-asserted

&D2 Disconnect call when DTR transitions from asserted to de-

asserted

&D3 Reset modem parameters to default configuration when

DTR transitions from asserted-to-de-asserted

&F Initialize modem to default factory configuration.

&G Guard Tone

&G0 Off

&G1 550 Hz Guard Tone

&G2 1800 Hz Guard Tone

&I Dial TX Level

&In Level n; n = 0 to 15. Default = 9

Table 1: AT and AT& Commands

Command

CommandCommand

Command Option

OptionOption

Option Description

DescriptionDescription

Description

-6 Motorola Confidential Proprietary

&I99 Automatic Level

&P Pulse Cycle

Used when the modem is instructed to pulse dial.

&P0 40/60 Make/Break Ratio

&P1 33/67 Make/Break Ratio

&P2 38/62 Make/Break Ratio

&R CTS Control

&R0 Normal

&R1 Always On

&S DSR Control

&S0 Always On

&S1 On When Modem Recognizes Remote

&T Test

&T0 Terminate Test

&T1 Initiate Local Analog Loopback Test

Disconnect the telephone line from the modem line input

connector before using this command.

Set S-Register 46 = 23 (ATS46=23) before executing &T1.

&V Modem Status

&V0 Short Form Report

&V1 Current or Last Connection Report

&V2 Long Form Report

Table 1: AT and AT& Commands

Command

CommandCommand

Command Option

OptionOption

Option Description

DescriptionDescription

Description

Motorola Confidential Proprietary -7

AT% (Percent)

and AT\

(Backslash)

Commands

The modem responds to the following AT% and AT\ command options.

The letters AT (or at) must precede all commands except A/ and +++.

Factory-default options are underlined.

Table 2: AT% (Percent) and AT\ (Backslash) Commands

Command

CommandCommand

Command Option

OptionOption

Option Description

DescriptionDescription

Description

%B Maximum Modulation Rate

Sets the maximum rate that the modem uses when con-

necting in a data modulation mode for performing func-

tions such as Internet access or file transfer

%B0 Maximum modem rate that the modem supports

%B1 300 bps

%B2 1.2 Kbps

%B3 2.4 Kbps

%B4 4.8 Kbps

%B6 9.6 Kbps

%B7 7.2 Kbps

%B8 12.0 Kbps

%B9 14.4 Kbps

%B11 16.8 Kbps

%B12 19.2 Kbps

%B13 21.6 Kbps

%B14 24.0 Kbps

%B15 26.4 Kbps

%B16 28.8 Kbps

%B17 31.2 Kbps

%B18 33.6 Kbps

%B19 32.0 Kbps

%B20 34.0 Kbps

%B21 36.0 Kbps

%B22 38.0 Kbps

%B23 40.0 Kbps

%B24 42.0 Kbps

%B25 44.0 Kbps

%B26 46.0 Kbps

%B27 48.0 Kbps

%B28 50.0 Kbps

-8 Motorola Confidential Proprietary

%B29 52.0 Kbps

%B30 54.0 Kbps

%B31 56.0 Kbps

%B32 58.0 Kbps

%B33 60.0 Kbps

%B34 28000 bps

%B35 29333 bps

%B36 30666 bps

%B37 33333 bps

%B38 34666 bps

%B39 37333 bps

%B40 38666 bps

%B41 41333 bps

%B42 42666 bps

%B43 45333 bps

%B44 46666 bps

%B45 49333 bps

%B46 50666 bps

%B47 53333 bps

%B48 54666 bps

%C Data Compression (DC) Mode

Determines whether the modem implements methods of

increasing the effective data rate by reducing the number

of bits used to represent data

%C0 Disable Compression

%C1 Enable Compression

%D Disconnect Buffer Delay

Controls the delay after detection of a disconnect request

before the modem disconnects from the telephone line

%D0 Disable Delay

%DnDelay for n Seconds (n = 1 to 255)

%L Minimum Modulation Rate

Sets the minimum rate that the modem uses when con-

necting in a data modulation mode.

%L0 Minimum modem rate that the modem supports(300 bps)

%L1 300 bps

%L2 1.2 Kbps

Table 2: AT% (Percent) and AT\ (Backslash) Commands

Command

CommandCommand

Command Option

OptionOption

Option Description

DescriptionDescription

Description

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