Black Box MD1650A-JP Reference Manual
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Black Box MD1650A-JP Reference Manual

Black Box MD1650A-JP Reference Manual

V.92 dialup 2-wire or 4-wire leased-line data/fax modem at commands
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SEPTEMBER 2006
MD1650A-JP
V.92 Dialup 2-Wire or 4-Wire
Leased-Line Data/Fax Modem
AT Commands Reference Guide
CUSTOMER
To order: Call 03-5471-8800 • Fax: 03-5471-8822
Mailing address: 6-1-1 Heiwajima, Ota-ku, Tokyo, 143-6501, Japan
SUPPORT
Web site: www.blackbox.co.jp • E-mail: info@blackbox.co.jp
INFORMATION

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  • Page 1 SEPTEMBER 2006 MD1650A-JP V.92 Dialup 2-Wire or 4-Wire Leased-Line Data/Fax Modem AT Commands Reference Guide CUSTOMER To order: Call 03-5471-8800 • Fax: 03-5471-8822 Mailing address: 6-1-1 Heiwajima, Ota-ku, Tokyo, 143-6501, Japan SUPPORT Web site: www.blackbox.co.jp • E-mail: info@blackbox.co.jp INFORMATION...
  • Page 3 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.

  • Page 4: Table Of Contents

    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 General Commands.............................4 Escape Commands.............................19 Modem Connection Commands ......................19 Caller ID Commands..........................21 Callback Security Commands ........................22 Data Compression Commands .........................23 Error Control Commands.........................24 DTE Commands ............................27 Modulation Command..........................29...

  • Page 5: Overview

    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.

  • Page 6: At Commands

    V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE 2. AT Commands 2.1 General Commands Command: Attention Code Values: Description: The attention code precedes all command lines except A/ and the escape sequence. Command: Enter Key Values: Description: Press the Enter or Return key to execute most commands.
  • Page 7 = 0–6 Default: None Description: Displays the product code. For example, MD1650A-JP. Calculates ROM checksum; displays the least significant byte in decimal format. Calculates ROM checksum and compares it to the prestored checksum, displays OK if they match or ERROR if they don’t match.
  • Page 8 V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE Command: Lists Current Operating Parameters Values: 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: Monitor Speaker Mode...
  • Page 9 CHAPTER 2: AT Commands Command: Sr=n Set Register Value Values: r is the S-Register number Default: None Description: Sets value of register Sr to n, where n is entered in decimal format (for example, S0=1). If the short form AT=n is used, the value is written to the last accessed S-Register.
  • Page 10 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: Modem Reset Values: n = 0 or 1 Default: None Description:...
  • Page 11 CHAPTER 2: AT Commands Description (continued): &D1 &Q0, &Q1, &Q5, &Q6: DTR drop is interpreted by the modem as if the asynchronous escape sequence had been entered. The modem returns to asynchronous command state without disconnecting. &Q2, &Q3: DTR drop causes the modem to hang up. Autoanswer is inhibited.
  • Page 12 V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE Command: &Fn Load Factory Settings Values: n = 0 or 1 Default: None Description: &F0 Loads factory configuration 0. &F1 Loads factory configuration 1. NOTE See also the Z, L5, and &V commands. Command: &Gn V.22bis Guard Tone Control...
  • Page 13 CHAPTER 2: AT Commands Description (continued): &M3 Selects synchronous connect mode. This mode allows DTR to act as a talk/data switch. A call is manually initiated while DTR is inactive; when it becomes active, the handshake proceeds in originate or answer mode according to S14 bit 7. Command: &Pn Make/Break Dial Ratio...
  • Page 14 V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE Command: &Vn Display current configuration and statistics for last connection Values: n = 0 or 1 Default: None Description: &V0 Displays the current (active) configuration. &V1 Displays statistics for the last connection. Not available in all versions.
  • Page 15 CHAPTER 2: AT Commands Command: &Yn Select Profile for Hard Reset Values: n = 0 or 1 Default: None Description: &Y0 Select profile 0 to be loaded on power-up. &Y1 Select profile 1 to be loaded on power-up. NOTE See also the &W and Z commands. Command: &Zn=x Store Telephone Number...
  • Page 16 V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE Command: Line Signal Level Values: None Default: None Description: Returns a value that indicates the received signal level in dBm. This value is a direct indication (DAA-dependent) of the receive level at the MDP, not at the telephone line connector.
  • Page 17 CHAPTER 2: AT Commands Command: Error Correction Mode Selection Values: n = 0–5 Default: Description: Normal (non-error correction) mode with data buffering. Forces &Q6. Direct mode. Equivalent of &M0 and &Q0 modes. Forces &Q0. V.42/MNP reliable (error-correction) mode. Modem attempts first a V.42 connection and then an MNP connection.
  • Page 18 V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE Command: +GCI Country/Region of Installation Description: The extended syntax command selects and indicates the region/country of installation for the modem. The parameter selects the settings for any operational parameters that need to be adjusted for national regulations or telephone networks.
  • Page 19 CHAPTER 2: AT Commands Subparameters (continued): Modulation <carrier> Possible (<min rx rate>,<max rx rate>, <min tx rate>), and <max tx rate>) Rates (bps) V.90 56,000, 54,667, 53,333, 52,000, 50,667, 49,333, 48,000, 46,667, 45,333, 44,000, 42,667, 41,333, 40,000, 38,667, 37,333, 36,000, 34,667, 33,333, 32,000, 30,667, 29,333, 28,000, 26,667, 25,333, 24,000 V.92 Same as V.90 above...
  • Page 20 V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE Command: MNP Extended Services Values: n = 0, 1, or 2 Default: Description: Enables or disables conversion of a V.42 LAPM connection to an MNP 10 connection. Disables V.42 LAPM to MNP 10 conversion. Enables V.42 LAPM to MNP 10 conversion.

  • Page 21: Escape Commands

    CHAPTER 2: AT Commands NOTE See also the L5 command. 2.2 Escape Commands Command: Escape Sequence Type +++ and wait for OK response. Issue the hang-up command by typing ATH<CR>. (<CR> indicates that you must click Enter.) Values: Description: Puts the modem in online command mode. Command: Escape Remote Configuration Values:...
  • Page 22 V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE Values: n = 0, 1, 2, or 3 Default: Description: Controls the V.92 shortened Phase 1 and Phase 2 startup procedures (Quick Connect). When line conditions are stable, quick connect results in shortened connect times;...

  • Page 23: Caller Id Commands

    CHAPTER 2: AT Commands Values: 0, 1 <value> Decimal number corresponding to the desired operation. Do not allow the quick connect profile to be saved. Allow the quick connect profile to be saved. Default Result Codes: OK 0 or 1 in V.92 Mode (+MS=V.92) and quick connect is enabled (+PSS=0) ERROR otherwise Report Commands:...

  • Page 24: Callback Security Commands

    V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE 2.5 Callback Security Commands Command: #CBNn=[-]x Store Callback Number Values: n = 01–30 x = dialing string Default: None Description: Stores the callback dialing string x in a memory location. The dialing string can include the digits 0 through 9 and any of the following characters: #, *, comma (,), semicolon (;), W, A, B, C, and D.

  • Page 25: Data Compression Commands

    CHAPTER 2: AT Commands 2.6 Data Compression Commands Commands: Data Compression Reporting Values: 0, 1 Default: This extended format numeric parameter controls whether or not the extended-format +DR: intermediate result code is transmitted from the modem to the DTE. S95 bit 5 is reset to 0 for +DR=0 and is set to a 1 for +DR=1.

  • Page 26: Error Control Commands

    V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE Command: +DS44 V.44 Compression Select Description: <direction> The decimal number that specifies the desired direction(s) of operation of the data compression function; from the DTE point of view. Negotiated, no compression. Transmit only.
  • Page 27 CHAPTER 2: AT Commands Command: +EFCS 32-bit Frame Check Sequence Description: This extended-format numeric parameter controls the use of the 16-bit or 32-bit frame check sequence (FCS) option in V.42. Values: <value> Decimal number 0 specifying the use of the 16-bit FCS specified in V42.
  • Page 28 V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE Subparameters (continued): LAPM or MNP error control required; disconnect if error control is not established. MNP error control required; disconnect if error control is not established. <ans_fbk> Decimal number that specifies the acceptable fallback mode of operation when the modem is operating as the answering modem.

  • Page 29: Dte Commands

    CHAPTER 2: AT Commands 2.8 DTE Commands Command: +IFC DTE-Modem Local Flow Control Description: This extended-format compound parameter controls the operation of local flow control between the DTE and the modem during the data state when V.42 error control is used or when fallback to non-error control mode is specified to include buffering and flow control.
  • Page 30 V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE Reported Rate: The <rate> reported is the current (negotiated or renegotiated) DTE-modem rate. If enabled, an intermediate result code is transmitted after any modulation, error control, or data compression reports are transmitted and before any final result code is transmitted.

  • Page 31: Modulation Command

    CHAPTER 2: AT Commands 2.9 Modulation Command Command: Modulation Reporting Control Description: This extended-format numeric parameter controls whether or not the extended-format +MCR:<carrier> and +MRR:<rate> intermediate result codes are transmitted from the modem to the DTE. If enabled, +MCR:<carrier> and +MRR:<rate> intermediate result codes represent the current (negotiated or renegotiated) modulation <carrier>...

  • Page 32: Call Control Command

    V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE 2.10 Call Control Command Command: -STE= Set Telephony Extension Description: This command enables/disables line-in-use, extension pickup, and remote hangup detection features. NOTE Additional hardware may be required to support these features. Syntax: -STE=<value>...
  • Page 33 CHAPTER 2: AT Commands Operation in Data Mode: Line-In-Use (Enabled by AT-STE=1, AT-STE=3, AT-STE=5, or AT-STE=7) Case 1: Telephone Line is in Use If an ATDT, ATDP, or ATDL is issued while Line-In-Use detection is enabled and the telephone line is in use, the modem will immediately return the message LINE-IN-USE to the DTE without going off-hook, then return to command mode.
  • Page 34 V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE Examples: User is talking on an extension and the modem tries to dial AT-STE=7 ATDT555-1212 LINE-IN-USE The line is not in use and the modem tries to dial AT-STE=7 ATDT555-1212 Modem goes off-hook CONNECT...

  • Page 35: Test Command

    CHAPTER 2: AT Commands Examples (continued): CONNECT Sometime later, the user picks up phone NO CARRIER ATS86? Delay 30 seconds ATDT5551212 LINE-IN-USE Try again some time later, user hangs up the phone CONNECT 2.11 Test Command Command: &Tn V.54 Test Command Values: n = 0, 1, 8 Default:...

  • Page 36: V.8/V.8Bis Commands

    V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE 3. V.8/V.8bis Commands V.8 is a way V.34 modems negotiate connections features and options. V.8bis is a start-up sequence for multimedia modems. Command: +A8E V.8 and V.8bis Operation Controls Description: This command is defined for two conditions: as a parameter while the modem is on-hook, and as an action command while the modem is...
  • Page 37 CHAPTER 3: V.8/V.8bis Commands Default Values: 1,1,00,1,0,0 The ATD and ATA commands behave as specified in V.250, and +A8n indications are not generated by the modem. For subparameter values <v8o>=6 and <v8a>=5, +A8I indications are issued during the V.8session to notify the DTE when the relevant V.8 signals are received. Report Commands: +A8E? Reports current or selected values.

  • Page 38: V.25Bis Commands

    V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE 4. V.25bis Commands The V.25bis commands control synchronous communications between the host and the modem using the HDLC or character-oriented protocol. Modulation depends on the serial port rate and setting of the transmitting clock source.
  • Page 39 CHAPTER 4: V.25bis Commands Command: List Identification Number Description: Dummy Command (just returns VAL). Command: List Request of Stored Number Description: Returns dial strings stored in locations 0–3. Values: V.25bis Responses CFIrr Call Failure Indication (where rr equals the following messages) Call not answered Engaged tone (same as Busy) Number on forbidden list (number is blacklisted)

  • Page 40: S-Registers

    V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE 5. S-Registers Certain modem values, or parameters, are stored in memory locations called S-Registers. Use the S command to read or alter the contents of the S-Registers. S-Reg Unit Range Default Description...
  • Page 41 CHAPTER 5: S-Registers S-Reg Unit Range Default Description 20 ms 0–255 Escape Prompt Delay (EPD): Defines the maximum period, in fiftieths of second, allowed between receipt of the last character of the three escape character sequences from the computer and the sending of the OK result code to the computer (escape code guard time).
  • Page 42 V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE S-Reg Unit Range Default Description decimal 0–7 LAPM Failure Control: Specifies the fallback action to take in the event of an LAPM negotiation failure. These fallback options are initiated immediately upon connection if S48 is set to 128.
  • Page 43 CHAPTER 5: S-Registers S-Reg Unit Range Default Description decimal 0, 3–23 Call Failure Reason Code: When the modem issues a NO CARRIER result code, a value is written to this register to help determine the reason for the failed connection. S86 records the first event that contributes to a NO CARRIER message.
  • Page 44 V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE S-Reg Unit Range Default Description S86 (continued) Extension pickup detected. Remote hang up detected. decimal 0–255 Extended Result Codes Control: A bit set to a 1 in this register, in conjunction with the W command, enables the corresponding result code.

  • Page 45: Result Codes

    CHAPTER 6: Result Codes 6. Result Codes The modem responds to commands from the DTE and to activity on the line by signaling to the DTE in the form of result codes. The result codes that the modem can send are described in this chapter. Two forms of each result code are available: long-form (verbose) response and a short-form (terse) response.
  • Page 46 V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE Terse Verbose Description ERROR 3. Command parameter within command line is outside permitted range. (continued) For X0, X1, X2, and X3, this message is sent instead of DELAYED and BLACKLISTED.
  • Page 47 CHAPTER 6: Result Codes Terse Verbose Description CONNECT 38400 Connected at 38,400 bps and speed reporting enabled. Modem has connected to the line, DTE speed is 38,400 bps, and DTE speed reporting is enabled. CONNECT 57600 Connected at 57,600 bps and speed reporting enabled. Modem is connected to the line, DTE speed is 57,600 bps, and DTE speed reporting is enabled.
  • Page 48 V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE Terse Verbose Description +MRR: 4800 Connected at 4800 bps and carrier reporting enabled. (See S95, Xn.) +MRR: 7200 Connected at 7200 bps and carrier reporting enabled.(See S95, Xn.) +MRR: 9600 Connected at 9600 bps and carrier reporting enabled.
  • Page 49 CHAPTER 6: Result Codes Terse Verbose Description +MRR: 31200 Connected at 31,200 bps; carrier reporting enabled. (See S95, Xn.) +MRR: 33600 Connected at 33,600 bps; carrier reporting enabled. (See S95, Xn.) +ER: ALT Connected in MNP mode. Sent when the modem connects in MNP mode of error correction.
  • Page 50 V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE Terse Verbose Description +MRR: 38000 Connected at 38,000 bps and carrier reporting is enabled. (See S95, Xn.) +MRR: 40000 Connected at 40,000 bps and carrier reporting is enabled. (See S95, Xn.) +MRR: 42000 Connected at 42,000 bps and carrier reporting is enabled.
  • Page 51 CHAPTER 6: Result Codes Terse Verbose Description CONNECT 33333 Connected at 48,000 bps and DCE speed reporting is enabled. CONNECT 34667 Connected at 34,667 bps and DCE speed reporting is enabled. CONNECT 37333 Connected at 37,333 bps and DCE speed reporting is enabled. CONNECT 38667 Connected at 38,667 bps and DCE speed reporting is enabled.
  • Page 52 V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE NOTES 1. See Vn for result code selection; that is, shor t form (result code) or verbose/extended (result message). 2. See Wn for extended connect message control. 3. See S95 for extended result code enabling options (which override some Wn commands).

  • Page 53: Setting Country/Regional Codes

    CHAPTER 7: Setting Country/Regional Codes 7. Setting Country/Regional Codes Countries or regions vary in their requirements for how a modem functions. Therefore, you must configure your modem to match the defaults of your country or region. Choose from any of the three methods: •...

  • Page 54: Using The Global Wizard

    V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE Region Profile code for Japan is 00 as shown at left Figure 7-1. LCD panel steps for setting your country code. 7.2 Using the Global Wizard We recommend the Global Wizard configuration utility for computers running Windows. The Wizard can configure your modem for a specific country with just a few mouse clicks.

  • Page 55: Using At Commands

    CHAPTER 7: Setting Country/Regional Codes 7.3 Using AT Commands If you are comfortable using AT commands, you can use them to configure your modem. You must enter these commands in your communication program’s terminal window. You can use a communication program such as PhoneTools.
  • Page 56 © Copyright 2006. Black Box Corporation. All rights reserved. 6-1-1 Heiwajima, Ota-ku, Tokyo, 143-6501, Japan • 03-5471-8800 • Fax 03-5471-8822...

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