Black Box MD1650A-JP Manuel utilisateur

To order: Call 03-5471-8800 • Fax: 03-5471-8822

Mailing address: 6-1-1 Heiwajima, Ota-ku, Tokyo, 143-6501, Japan

Web site: www.blackbox.co.jp • E-mail: [email protected]

CUSTOMER

SUPPORT

INFORMATION

SEPTEMBER 2006

MD1650A-JP

V.92 Dialup 2-Wire or 4-Wire

Leased-Line Data/Fax Modem

AT Commands Reference Guide

FCC AND IC RFI STATEMENTS/TRADEMARKS USED IN THIS MANUAL

FEDERAL COMMUNICATIONS COMMISSION

AND

INDUSTRY CANADA

RADIO FREQUENCY INTERFERENCE STATEMENTS

This equipment generates, uses, and can radiate radio-frequency energy, and if not installed and used

properly, that is, in strict accordance with the manufacturer’s instructions, may cause interference to radio

communication. It has been tested and found to comply with the limits for a Class A computing device in

accordance with the specifications in Subpart B of Part 15 of FCC rules, which are designed to provide

reasonable protection against such interference when the equipment is operated in a commercial

environment. Operation of this equipment in a residential area is likely to cause interference, in which

case the user at his own expense will be required to take whatever measures may be necessary to correct

the interference.

Changes or modifications not expressly approved by the party responsible for compliance could void the user’s

authority to operate the equipment.

This digital apparatus does not exceed the Class A limits for radio noise emission from digital apparatus set out in the Radio

Interference Regulation of Industry Canada.

Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites applicables aux appareils numériques

de la classe A prescrites dans le Règlement sur le brouillage radioélectrique publié par Industrie Canada.

TRADEMARKS USED IN THIS MANUAL

BLACK BOX and the Double Diamond logo are registered trademarks of BB Technologies, Inc.

Linux is a registered trademark of Linus Torvalds.

MNP is a registered trademark of Microcom Systems, Inc.

Windows and Windows NT are either trademarks or registered trademarks of Microsoft Corporation in the

United States and/or other countries.

UNIX is a registered trademark of UNIX System Laboratories, Inc.

Any other trademarks mentioned in this manual are acknowledged to be the property of the trademark owners.

V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE

Contents

Chapter Page

1. Overview .................................................................................................................................................................3

2. AT Commands .......................................................................................................................................................4

2.1 General Commands.....................................................................................................................................4

2.2 Escape Commands.....................................................................................................................................19

2.3 Modem Connection Commands..............................................................................................................19

2.4 Caller ID Commands.................................................................................................................................21

2.5 Callback Security Commands ...................................................................................................................22

2.6 Data Compression Commands .................................................................................................................23

2.7 Error Control Commands.........................................................................................................................24

2.8 DTE Commands ........................................................................................................................................27

2.9 Modulation Command..............................................................................................................................29

2.10 Call Control Command.............................................................................................................................30

2.11 Test Command...........................................................................................................................................33

3. V.8/V.8bis Commands .........................................................................................................................................34

4. V.25bis Commands...............................................................................................................................................36

5. S-Registers.............................................................................................................................................................38

6. Result Codes.........................................................................................................................................................43

7. Setting Country/Regional Codes .......................................................................................................................51

7.1 Using the LCD Panel.................................................................................................................................51

7.2 Using the Global Wizard ...........................................................................................................................52

7.3 Using AT Commands ................................................................................................................................53

CHAPTER 1: Overview

1. Overview

AT commands are used to control your modem’s operation. Each command must be preceded by the

characters A and T to get the modem’s attention.

AT commands can be issued only when the modem is in command mode or online command mode. The

modem is in command mode whenever it is not connected to another modem. The modem is in data mode

whenever it is connected to another modem and ready to exchange data. Online command mode is a

temporary state in which you can issue commands to the modem while you’re connected to another modem.

When you need to send commands to the modem at the other end of the connection, put the modem into

online command mode from data mode. To do this, you must issue an escape sequence: Type +++ and wait for

the OK response. Then issue the hang-up command by typing ATH and pressing Enter. To return to data mode

from online command mode, type the command ATO.

To send AT commands to the modem, you must use a communications program (such as PhoneTools, which is

included with your modem, or HyperTerminal in Windows®95, 98, Me, XP, Windows NT®4.0, or Windows

2000). You can issue commands to the modem directly by typing them in the terminal window of the

communications program. To issue commands indirectly, configure the operating system or communications

program to send the commands automatically. Fortunately, communications programs make modems’ daily

operation effortless by hiding the commands from the user. Most users, therefore, need to use AT commands

only when reconfiguring the modem (for example, to turn autoanswer on or off).

The format for entering an AT command is ATXn, where Xis the command and nis the value for the

command, or command parameter. The value is always a number. If the value is zero, you can omit it from the

command. AT&W is equivalent to AT&W0.

Most commands have a default value, which is the value that is set at the factory. Default commands are

provided with each command in Chapter 2.

You must press Enter to send the command to the modem. Any time the modem receives a command, it sends

a response known as a result code. The most common result codes are OK, ERROR, and CONNECT. For a

table of valid result codes, see Chapter 6.

You can issue several commands in one line in a command string. The command string begins with AT and

ends when you press Enter. Spaces to separate the commands are optional; they are ignored by the command

interpreter. The most familiar command string is the initialization string, which is used to configure the

modem when it is powered on or reset, or when your communications software calls another modem.

An example of a command string is shown below. This string changes the speaker, enables V.42 error

correction, and enables CTS/RTS flow control.

AT M1 &E2 &K3<CR>

V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE

2. AT Commands

2.1 General Commands

Command: AT Attention Code

Values: N/A

Description: The attention code precedes all command lines except A/ and the

escape sequence.

Command: Enter Key

Values: N/A

Description: Press the Enter or Return key to execute most commands.

Command: A Answer

Values: N/A

Description: Answers an incoming call before the final ring.

Command: A/ Repeat Last Command

Values: N/A

Description: Repeats the last command string. Do not precede this command with

AT. Do not press Enter to execute.

Command: BnCommunication Standard Setting

Values: n = 0 or 1

Default: 1

Description: B0: Selects ITU-T V.22 mode when the modem is at 300 or 1200 bps.

B1: Selects Bell 212A when the modem is at 300 or 1200 bps.

Command: DsDial

Values: s = dial string (phone number and dial modifiers)

Default: None

Description: Dials telephone number s, where smay be up to 40 characters long and

include the following dial string modifiers.

0–9 Digits 0 through 9.

* The “star” digit (tone dialing only).

# The “pound” digit (tone dialing only).

A–D A, B, C, D tone digits. Country specific; some countries may

prohibit these digits.

L Redials last number. (Must be placed immediately after ATD.)

P Selects pulse dialing until a T is encountered. Affects

current/subsequent dialing.

T Select tone dialing until a P is encountered. Affects current/

subsequent dialing.

W Wait for a new dial tone before continuing to dial. (X2 or X4

must be selected.)

, Pause during dialing for time set in S-Register S8.

; Return to command mode after dialing. (Place at end of dial

string.)

CHAPTER 2: AT Commands

Description (continued): ! Hook flash. Causes the modem to go quickly on-hook

then back off-hook.

@ Wait for silence. Causes the modem to wait for 5 seconds of

silence before processing the next part of the command. If

silence is not detected within the time set in S-Register S7,

the modem returns a NO ANSWER or BUSY code.

^ Toggle data calling tone on or off. Applies only to current

dialing attempt.

& Detect credit card “bong” tone. The character should follow

the phone number and precede the user’s calling card number

(for example, ATDT1028806127853500&123456789).

Command: DS=nDial Stored Telephone Number

Values: n = 0–3

Default: None

Description: Dials a number previously stored in directory number nby the &Zn=x

command.

Example: ATDS=3.

Command: EnEcho Command Mode Characters

Values: n = 0 or 1

Default: 1

Description: E0 Does not echo keyboard input to the terminal.

E1 Does echo keyboard input to the terminal.

Command: HnHook Control

Values: n = 0 or 1

Default: 0

Description: H0 Goes on-hook (hang up) and terminates any &T test in

progress.

H1 Goes off-hook (makes the phone line busy); enters command

mode.

Command: InInformation Request

Values: n = 0–6

Default: None

Description: I0 Displays the product code. For example, MD1650A-JP.

I1 Calculates ROM checksum; displays the least significant byte in

decimal format.

I2 Calculates ROM checksum and compares it to the prestored

checksum, displays OK if they match or ERROR if they don’t

match.

I3 Displays the firmware version and application codes.

I4 Displays the OEM-defined identifier string in either binary or

ASCII format.

I5 Displays the regional or country code. For example, 098.

I6 Displays the modem data pump model and internal code

version.

Command: L Not applicable.

V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE

Command: L5 Lists Current Operating Parameters

Values: 5

Default: None

Description: Displays the current values for the error correction, flow control, data

compression, and serial port speed commands.

For example:

atL5

&E2 &E3 &E15 $SB115200

Command: MnMonitor Speaker Mode

Values: n = 0, 1, 2, or 3

Default: 1

Description: Displays the current values for the error correction, flow control, data

compression, and serial port speed commands.

M0 Speaker is always off.

M1 Speaker is on until the carrier signal is detected.

M2 Speaker is always on when the modem is off-hook.

M3 Speaker is off when receiving carrier and during dialing, but

on during answering.

Command: OnReturn Online to Data Mode

Values: n = 0 or 1

Default: None

Description: O0 Exit online command mode and return to online data mode

without a retrain. Normally used after a +++ escape (see

+++ escape sequence).

O1 Exit online command mode and return to online data mode

after a retrain.

Command: P Pulse Dialing

Values: P, T

Default: T

Description: Forces pulse (non-touchtone) dialing until a T command or T

modifier is received.

Command: QnResult Codes Enable/Disable

Values: n = 0 or 1

Default: 0

Description: Q0 Enables result codes.

Q1 Disables result codes.

Command: SrSelect Register

Values: ris the S-Register number

Default: None

Description: Selects register Sras the last register accessed; for example, S0. The

command AT? can then be used to read the register, and the command

AT=ncan be used to set the register to value n.

CHAPTER 2: AT Commands

Command: Sr=nSet Register Value

Values: ris the S-Register number

Default: None

Description: Sets value of register Srto n, where nis entered in decimal format (for

example, S0=1). If the short form AT=nis used, the value is written to

the last accessed S-Register.

Command: Sr? Read Register Value

Values: ris the S-Register number

Default: None

Description: Reads value of register Srand displays it in 3-digit decimal format.

S2? gives the response 043. If the short form AT? is used, the last

accessed S-Register is read.

Command: T Tone Dialing

Values: P, T

Default: None

Description: Forces DTMF (touchtone) dialing until a P command or P dial

modifier is received.

Command: VnResult Code Format

Values: n = 0 or 1

Default: 1

Description: V0 Displays result codes as digits (terse response).

V1 Display result codes as words (verbose response).

Command: WnConnect Message Control

Values: n = 0, 1, or 2

Default: 0

Description: W0 The CONNECT result code reports the serial port speed only.

W1 The CONNECT result code reports the line speed, the error

correction protocol, and the serial port speed, respectively.

W2 The CONNECT result code reports the line speed only.

Command: XnResult Code Selection

Values: n = 0–4

Default: Country Dependent

Description: Selects the result message subset that the modem will use to inform the

computer of the results of commands.

X0 Sends OK, CONNECT, RING, NO CARRIER, ERROR, and NO

ANSWER; does not look for dial tone or busy signal.

X1 Sends X0 messages and connect speed; doesn’t look for dial

tone or busy signal.

X2 Sends X1 messages with NO DIALTONE; does not look for

busy signal.

X3 Sends X1 messages with BUSY; does not look for dial tone.

X4 Sends all messages, including NO DIALTONE and BUSY.

V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE

NOTE

In fax mode, the only message sent to indicate a connection is CONNECT without a

speed indication. See also the \V command.

Command: ZnModem Reset

Values: n = 0 or 1

Default: None

Description: The modem performs a soft reset and restores (recalls) the

configuration profile according to the parameter supplied. If no

parameter is specified, zero is assumed.

Z0 Resets modem and restores Profile 0.

Z1 Resets modem and restores Profile 1.

NOTE

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