Black Box Mini-Modem MD1620A User Manual
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Black Box Mini-Modem MD1620A User Manual

Black Box Mini-Modem MD1620A User Manual

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JUNE 2001
MD1620A
MD1620A-JAP
Mini-Modem
(56 kbps Data/Fax Modem)
CUSTOMER SUPPORT INFORMATION
Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX
FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746
Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
Web site: www.blackbox.com • E-mail: info@blackbox.com

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  • Page 1 Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746 Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018 Web site: www.blackbox.com • E-mail: info@blackbox.com...

  • Page 2: Industry Canada

    MINI-MODEM (56 KBPS DATA/FAX MODEM) FEDERAL COMMUNICATIONS COMMISSION 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 J of Part 15 of FCC rules, which are designed to provide reasonable protection against such interference...

  • Page 3: Digital Loopback Test/V.54 Loop

    MINI-MODEM (56 KBPS DATA/FAX MODEM) NORMAS OFICIALES MEXICANAS (NOM) ELECTRICAL SAFETY STATEMENT INSTRUCCIONES DE SEGURIDAD 1. Todas las instrucciones de seguridad y operación deberán ser leídas antes de que el aparato eléctrico sea operado. 2. Las instrucciones de seguridad y operación deberán ser guardadas para referencia futura.
  • Page 4 MINI-MODEM (56 KBPS DATA/FAX MODEM) 10. El equipo eléctrico deber ser situado fuera del alcance de fuentes de calor como radiadores, registros de calor, estufas u otros aparatos (incluyendo amplificadores) que producen calor. 11. El aparato eléctrico deberá ser connectado a una fuente de poder sólo del tipo descrito en el instructivo de operación, o como se indique en el aparato.
  • Page 5 MINI-MODEM (56 KBPS DATA/FAX MODEM) TRADEMARKS The trademarks mentioned in this manual are the sole property of their owners. NAMING CONVENTIONS USED IN THIS MANUAL In the software you received, the Mini-Modem is called the Multi-Modem or the MT5600ADX. This is the correct software for your Mini-Modem.

  • Page 6: Table Of Contents

    MINI-MODEM (56 KBPS DATA/FAX MODEM) CONTENTS 1. Specifications ......8 2. Introduction and Description ... . . 14 2.1 Introduction.
  • Page 7 MINI-MODEM (56 KBPS DATA/FAX MODEM) 3.7.1 None of the LEDs Light When the Modem Is On ....41 3.7.2 The Modem Does Not Respond to Commands .
  • Page 8 6. Service and Technical Support ... . 135 6.1 Calling Black Box..... 135 6.2 About the Internet.

  • Page 9: Specifications

    MINI-MODEM (56 KBPS DATA/FAX MODEM) 1. Specifications Server-to-Client Data Rates — K56flex speeds when accessing an ISP-type K56flex server (actual speed depend on server capabilities and line conditions) Client-to-Client Data Rates — 33,600, 31,200, 28,800, 26,400, 24,000, 21,600, 19,200, 16,800, 14,400, 12,000, 9600, 7200, 4800, 2400, 1200, 0-300 bps Data Rates (fax) —...
  • Page 10 MINI-MODEM (56 KBPS DATA/FAX MODEM) Error Correction/Data Compression — V.42 (LAP-M or MNP 3 and 4), V.42bis (4:1 throughput), MNP 5 (2:1 throughput) Speed Conversion — Serial-port data rates adjustable to 300, 1200, 2400, 4800, 9600, 19,200, 38,400, 57,600, and 115,200 bps Flow Control —...
  • Page 11 MINI-MODEM (56 KBPS DATA/FAX MODEM) Data Modulation — Trellis-Coded Modulation (TCM) at K56flex, 33,600, 31,200, 28,800, 26,400, 24,000, 21,600, 19,200, 16,800, 14,400, 12,000, and 9600 bps; Quadrature Amplitude Modulation (QAM) at 9600 (non-trellis), 4800, and 2400 bps; PSK at 1200 bps; FSK at 300 bps Fax Modulation —...
  • Page 12 MINI-MODEM (56 KBPS DATA/FAX MODEM) Carrier Frequencies, V.21 — 980 Hz Mark, 1180 Hz Space for Transmit Originate; 1650 Hz Mark, 1850 Hz Space for Transmit Answer; 1650 Hz Mark, 1850 Hz Space for Receive Originate; 980 Hz Mark, 1180 Hz Space for Receive Answer Carrier Frequencies, V.23 —...
  • Page 13 MINI-MODEM (56 KBPS DATA/FAX MODEM) Interface — EIA RS232C/CCITT V.24 Connectors — DB25 (RS-232C) connector; Two RJ-11 modular phone jacks (one for line, one for telephone set), and power jack. Diagnostics — Power-On Self-Test, Local Analog Loop, Local Digital Loop, Remote Digital Loop. Indicators —...
  • Page 14 MINI-MODEM (56 KBPS DATA/FAX MODEM) Regulatory Compliance — UL, CUL, CSA, FCC Size — 5.6"H x 4.25"W x 1.15"D (14.8 x 10.8 x 2.9 cm) Weight — 0.5 lb. (1.1 kg)

  • Page 15: Introduction And Description

    MINI-MODEM (56 KBPS DATA/FAX MODEM) 2. Introduction and Description 2.1 Introduction This User’s Manual will help you install, configure, test and use your Mini-Modem (56 kbps Data/Fax Modem). 2.2 Product Description Your Mini-Modem incorporates a modem technology called K56flex™ that enables Internet connections at data rates up to 56 kbps over standard telephone lines.
  • Page 16 MINI-MODEM (56 KBPS DATA/FAX MODEM) nizes dial tones and busy signals for reliable call-progress detection. The modem can detect AT&T calling card tones. It is FCC-Registered for connection to telephone networks without any Data Access Arrangements (DAAs). NOTE Though this modem is capable of 56-kbps download performance, government regulations, line impairments, public telephone infrastructure, and other external technological factors currently prevent maximum 56-kbps...
  • Page 17 MINI-MODEM (56 KBPS DATA/FAX MODEM) General features include: • Compliance with major ITU-T, TIA, and EIA international standards to ensure compatibility with other modems. • Distinguishes data and fax calls. • Caller ID to identify your caller’s phone number (available on U.S. products). Data •...
  • Page 18 MINI-MODEM (56 KBPS DATA/FAX MODEM) • Automatic fallback to slower speeds in noisy line conditions, and fall-forward to faster speeds as conditions improve (line-quality monitoring). • ITU V.42 LAP-M and MNP Class 3 and 4 error correction. • ITU V.42bis (4-to-1) and MNP 5 (2-to-1) data compression.

  • Page 19: What Is In Your Modem Package

    MINI-MODEM (56 KBPS DATA/FAX MODEM) • Flash-ROM upgradable. • Compatibility with the standard AT command set used by most communication programs. • Supports V.17, Class 1/Group 3 fax communication standards, allowing it to communicate with other fax modems as well as with fax machines. •...

  • Page 20: How To Use This Manual

    MINI-MODEM (56 KBPS DATA/FAX MODEM) • Communications Software • One Set-Up diskette If any of these items are missing, please contact Black Box at 724-746-5500. 2.2.2 H OW TO ANUAL This manual is divided into six chapters and two appendixes: •...
  • Page 21 MINI-MODEM (56 KBPS DATA/FAX MODEM) • Chapter 4, AT Commands, S-Registers and Result Codes, documents default and option AT commands, S-Registers and Result Codes supported by the Mini-Modem. • Chapter 5, Testing Your Modem, covers the modem’s built-in test features. These are: Power- on Self Test, Local Analog Loopback, Digital Loopback and Remote Digital Loopback Tests.

  • Page 22: Installation And Connection

    MINI-MODEM (56 KBPS DATA/FAX MODEM) 3. Installation and Connection 3.1 Before You Install 3.1.1 S AFETY ARNINGS SAFETY WARNINGS Never install telephone wiring during a lightning storm. Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations. Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the network interface.

  • Page 23: Computer

    ERIAL ABLE You must provide a serial cable to connect the Mini-Modem to your computer. Call Black Box at 724-746-5500 for ordering information. The cable must have a DB25 male connector at the modem end. For IBM and compatible computers, the other end may...

  • Page 24: Telephone Line

    MINI-MODEM (56 KBPS DATA/FAX MODEM) Figure 3-1. Serial Connectors on the PC. 3.1.4 T ELEPHONE You must have a telephone line with a conveniently located connector (jack) to accept the cable that comes with the Mini-Modem. If you do not have a telephone jack near your computer, you should install an extension before proceeding.

  • Page 25: Communications Software

    MINI-MODEM (56 KBPS DATA/FAX MODEM) your Mini-Modem fax modem, you must contact your telephone company. 3.1.5 C OMMUNICATIONS OFTWARE To operate the Mini-Modem, you must have data and fax communications software. Datacomm software simplifies control of the modem by guiding you through the process of selecting your serial port, your port speed, and other variables, and then storing your settings, including frequently called phone numbers, so they...

  • Page 26: Installing The Modem

    MINI-MODEM (56 KBPS DATA/FAX MODEM) If you use Velcro patches, we recommend that you mount them where they will not obscure the labels on the bottom of the modem. The Mini-Modem has no special placement restrictions, but we recommend that you place it where you can see the indicators on the front panel.
  • Page 27 MINI-MODEM (56 KBPS DATA/FAX MODEM) NOTE The LINE jack is not interchangeable with the PHONE jack on the Mini-Modem. Do not plug the telephone into the LINE jack or the line cable into the PHONE jack. BABT regulations require that the telecommunication cable be connected to the modem prior to being connected to the network.

  • Page 28: Control Panel

    MINI-MODEM (56 KBPS DATA/FAX MODEM) 6. Make sure modem and computer/terminal serial- port baud rates are adjusted. Note that several programs can check this for you. Install the Modem in Windows 95 If you are using Windows 95 or 98, you must install the modem in the operating system.
  • Page 29 MINI-MODEM (56 KBPS DATA/FAX MODEM) 4. If Windows identifies your modem correctly as a MultiModem MT5600ZDX, click Next to install the modem. After the modem is installed, click Finish to exit. 5. If Windows cannot identify your modem (for instance, if it identifies your modem as a “Standard Modem”), click Change.
  • Page 30 MINI-MODEM (56 KBPS DATA/FAX MODEM) force Windows 95 applications to use the Mini-Modem by removing the old modem from Windows. 1. Click the Start button, point to Settings, and click Control Panel. 2. Double-click the Modems icon to open the Modems Properties sheet.

  • Page 31: Led Indicators

    MINI-MODEM (56 KBPS DATA/FAX MODEM) POWER RS-232 PHONE LINE Figure 3-3. Mini-Modem Connections. 3.3 LED Indicators The Mini-Modem has ten LED indicators to report status (such as verifying proper installation) and line activity (such as monitoring the status of a connection).
  • Page 32 MINI-MODEM (56 KBPS DATA/FAX MODEM) Figure 3-4. Mini-Modem Front Panel. • TD: Transmit Data. The TD LED flashes when data is being transmitted (on for a space, off for a mark). Signals on this circuit are generated by the terminal and transferred to the transmitter of the Mini-Modem.
  • Page 33 MINI-MODEM (56 KBPS DATA/FAX MODEM) Figure 3-5. Mini-Modem Front Panel. • 56: K56flex. This LED is lit when connected to an ISP-type K56flex server. The actual connection speed is contingent upon server capabilities and line conditions. • 28: V.34. This LED is lit when the modem is connected in V.34 mode.

  • Page 34: Is Your Mini-Modem Ready For Use

    MINI-MODEM (56 KBPS DATA/FAX MODEM) Modem wants the phone line to do something (dial or answer a call). This LED is also lit when the Mini-Modem has achieved online status. • TR: Terminal Ready. When TR is lit, the Mini- Modem can answer an incoming call.

  • Page 35: Operating Your Mini-Modem

    MINI-MODEM (56 KBPS DATA/FAX MODEM) AT&V<cr> command. This command lists how your modem is currently configured, the stored (user) profiles, and the first four stored telephone numbers. If you come across a setting you’re unsure of, refer to Chapter 4 of this manual for AT command and S-Register explanations and defaults.
  • Page 36 MINI-MODEM (56 KBPS DATA/FAX MODEM) • Enter “terminal” mode, where you can speak most directly to the modem by issuing AT commands. • Launch a datacomm session through a set of modem configurations which you select and then associate with a target telephone number. Once you have created, saved, and named this set of information according to your connection needs and your datacomm software’s conventions, the...

  • Page 37: Software Configuration

    MINI-MODEM (56 KBPS DATA/FAX MODEM) terminal mode, enter AT followed by <CR> to check whether your modem is operational. If everything’s fine, your modem will respond OK. IMPLE PERATIONS You can dial by using the ATD command and the phone number of the modem with which you wish to connect—for example, ATDT17245553500.
  • Page 38 MINI-MODEM (56 KBPS DATA/FAX MODEM) Some software programs allow you to select your modem type from a menu. By this method, you can select initialization strings that correspond to a particular modem type to operate optimally with the software it is using. NOTE Refer to your software manual for further information on your communications software.
  • Page 39 MINI-MODEM (56 KBPS DATA/FAX MODEM) modem: AT&F<cr>. This setting configures your modem to operate optimally with the software it is using. ARDWARE OFTWARE ONFIRMATION To confirm that your modem (hardware) and communications package (software) is working properly: 1. Go into terminal mode in your communications package.
  • Page 40 MINI-MODEM (56 KBPS DATA/FAX MODEM) S00:002 S01:000 S02:043 S03:013 S04:010 S05:008 S06:002 S07:030 S08:002 S09:006 S10:014 S11:255 S12:050 S18:000 S25:005 S26:001 S36:007 S37:000 S38:020 S46:138 S48:007 S95:000 STORED PROFILE 0: B0 E1 L1 M1 N1 QO T V1 W0 X4 Y0 &C0 &D0 &G2 &J0 &K3 &Q5 &R1 &S0 &T4 &X0 S00:002 S02:043 S06:002 S07:030 S08:002 S09:006 S10:014 S11:095 S12:050 S18:000...

  • Page 41: Troubleshooting

    MINI-MODEM (56 KBPS DATA/FAX MODEM) 3.7 Troubleshooting Your Mini-Modem was thoroughly tested at the factory before it was shipped. If you are unable to make a successful connection or if you experience data loss or garbled characters during your connection, the modem might be defective.
  • Page 42 MINI-MODEM (56 KBPS DATA/FAX MODEM) 3.7.1 N ONE OF THE IGHT HEN THE ODEM IS When you turn on the Mini-Modem, the LED indicators on the front panel should flash briefly as the modem runs a self-test. If the LEDs remain off, the modem is probably not receiving power.

  • Page 43: The Modem Does Not Respond To

    MINI-MODEM (56 KBPS DATA/FAX MODEM) modems. If the problem goes away, the first modem or power supply may be defective. Call Technical Support at 724-746-5500 for assistance. NOTE Do not under any circumstances replace the power- supply with one designed for another product, since this may damage the modem.
  • Page 44 MINI-MODEM (56 KBPS DATA/FAX MODEM) at least one second, enter +++, and pause another second or more before entering a command. • The E0 and Q1 commands may be in effect, disabling echo and responses. Verify this with the &V command. To enable echo and responses, enter ATE1Q0<cr>.
  • Page 45 MINI-MODEM (56 KBPS DATA/FAX MODEM) software has made a connection with the modem through the COM port. • Your communication-software settings may not match the physical port the modem is connected to. The serial cable may be plugged into the wrong connector—check your computer documentation to make sure.
  • Page 46 MINI-MODEM (56 KBPS DATA/FAX MODEM) COM port, memory address, or interrupt request (IRQ) as your communications port. Be sure to disable any unused ports. To look for address or IRQ conflicts if you use Windows 3.1x, select File, Run in Program Manager, type MSD, and press ENTER.
  • Page 47 MINI-MODEM (56 KBPS DATA/FAX MODEM) modem is connected to. In the port’s Properties sheet, click on the Resources tab to see the port’s Input/Output range and Interrupt Request. If another device is using the same address range or IRQ, it will appear in the Conflicting Device List. Uncheck Use Automatic Settings to change the port’s settings so they do not conflict with the other device, or select the port the conflicting...

  • Page 48: The Modem Dials But Cannot

    MINI-MODEM (56 KBPS DATA/FAX MODEM) 3.7.3 T ODEM IALS ANNOT AKE A ONNECTION There can be several reasons the Mini-Modem fails to make a connection: • modem is not configured properly. • lack of a physical connection to the telephone line. •...
  • Page 49 MINI-MODEM (56 KBPS DATA/FAX MODEM) • Both local and remote modems may be misconfigured, making negotiation between modems difficult. The solution may be to modify modem parameters via AT command strings. There are other configurations you can modify as well. Note that you can return to the modem’s default configurating by entering AT&F.
  • Page 50 MINI-MODEM (56 KBPS DATA/FAX MODEM) Table 3-1. Setting Up Protocols via AT Command Strings. To Force Different Communication Speeds/Protocols Enter these Commands Negotiate Speed and Protocol (default setting) AT&F Negotiate Speed only, do not use protocol AT\N0 Connect at 56000 bps (V.34) AT+MS=56 Connect at 33600 bps (V.34) AT+MS=11...
  • Page 51 MINI-MODEM (56 KBPS DATA/FAX MODEM) • If the modem reports NO DIALTONE, check that the modem’s telephone line cable is connected to both the modem’s LINE jack (not the PHONE jack) and the telephone wall jack. If the cable looks secure, try replacing it. If that doesn’t work, the problem may be in your building’s telephone installation.
  • Page 52 MINI-MODEM (56 KBPS DATA/FAX MODEM) modem’s dial prefix—for example, ATDT9,. Note the comma, which inserts a pause before the number is dialed. By inserting 9 and a comma into the dial prefix, you do not have to include it in each directory entry. To change the dial prefix in your communications package, select Setup, Modem;...

  • Page 53: The Modem Disconnects

    MINI-MODEM (56 KBPS DATA/FAX MODEM) another system to make sure your modem is working. Also, try calling the number on your telephone, if you hear harsh sounds, then another modem is answering the call, and the modems may be having problems negotiating because of modem incompatibilities or line noise.
  • Page 54 MINI-MODEM (56 KBPS DATA/FAX MODEM) it in Windows 95 or 98 HyperTerminal, select Call, Connect from the menu bar, click Dialing Properties, check This Location Has Call Waiting, and select the correct code for your phone service. • If you have extension phones on the same line as your modem, you or someone else can interrupt the connection by picking up another phone.

  • Page 55: The Modem Cannot Connect

    MINI-MODEM (56 KBPS DATA/FAX MODEM) 3.7.5 T ODEM ANNOT ONNECT NSWERING • Auto-answer may be disabled. Turn on auto- answer in your datacomm program or send the command ATS0=1 to your modem in terminal mode. 3.7.6 S RANSFER • You may have an older UART. For best throughput, install a 16550FN or higher UART.

  • Page 56: Losing Data

    MINI-MODEM (56 KBPS DATA/FAX MODEM) a file already compressed by an archiving program, the transfer can be marginally slower with data compression enabled than with it disabled. • Try entering the &V (View Parameters) command, making a screen print of the diagnostics listing, and checking for parameters that may be unacceptable.

  • Page 57: Garbage Characters On The Monitor

    MINI-MODEM (56 KBPS DATA/FAX MODEM) 16550’s data buffers and/or replace the Windows serial driver, COMM.DRV. • Try entering the &V (View Parameters) command, making a screen print of the diagnostics listing, and checking for parameters that may be unacceptable. 3.7.8 G ARBAGE HARACTERS ON THE ONITOR...
  • Page 58 MINI-MODEM (56 KBPS DATA/FAX MODEM) • Try entering the &V (View Parameters) command, making a screen print of the diagnostics listing, and checking for parameters that may be unacceptable.

  • Page 59: At Commands, S-Registers And Result Codes

    MINI-MODEM (56 KBPS DATA/FAX MODEM) 4. AT Commands, S-Registers and Result Codes 4.1 AT Commands AT commands are the means by which you, and your communications software, are able to communicate with and configure your modem. They enable you to establish, read, and modify parameters in addition to dialing.
  • Page 60 MINI-MODEM (56 KBPS DATA/FAX MODEM) Command: Detect AT&T’s “call card” tone Values: Description: This symbol placed in dialing string enables the modem to detect Command: Answer Values: Description: Answer an incoming call before the final ring. Command: Repeat Last Command Values: Description: Repeat the last command...
  • Page 61 MINI-MODEM (56 KBPS DATA/FAX MODEM) Command: Dial Values: s = dial string (phone number and dial modifiers) Default: none Description: Dial telephone numbers, where s may up to 40 characters. Dial-string modifiers: 0-9=DTMF digits 0 to 9 *=The “star” digit (tone dialing only).
  • Page 62 MINI-MODEM (56 KBPS DATA/FAX MODEM) V=Switch to speakerphone mode and dial the following number. Use ATH command to hang up. W=Wait for a new dial tone before continuing to dial. (X0, X1, X3, or X4 must be selected.) S=Dial a telephone number previously stored using the &Zn=x command (see &Zn=x command for further...
  • Page 63 MINI-MODEM (56 KBPS DATA/FAX MODEM) @=Wait for quiet answer. Causes modem to wait for a ringback, then 5 seconds of silence, before processing next part of command. If silence is not detected, the modem returns a NO ANSWER code. $=Wait for credit card dialing tone before continuing with the dial string (wait contingent on S7 setting).
  • Page 64 MINI-MODEM (56 KBPS DATA/FAX MODEM) Command: Echo Command Mode Characters Values: n = 0 or 1 Default: Description: Do not echo keyboard characters to the computer. Do echo keyboard characters to the computer. Command: On-Hook/Off-Hook Control Values: n = 0 or 1 Default: Description: Go on-hook to hang up.
  • Page 65 MINI-MODEM (56 KBPS DATA/FAX MODEM) Calculates the ROM checksum and compares it to the pres- tored checksum, displaying OK or ERROR. Display the firmware version and application codes. Display OEM defined identifier string in either binary or ASCII format. Display country code (e.g., “NA Ver.
  • Page 66 MINI-MODEM (56 KBPS DATA/FAX MODEM) Command: Monitor Speaker Volume Values: n = 0, 1, 2, or 3 Default: Description: Select low volume. Select low volume. Select medium volume. Select high volume. Command: Monitor Speaker Mode Values: n = 0, 1, 2, or 3 Default: Description: Speaker always off.
  • Page 67 MINI-MODEM (56 KBPS DATA/FAX MODEM) speed specified in S37. (Equivalent to +MS <automode> subparameter to 0.) Enables auto-mode. (Equivalent to +MS <automode> subparameter to 1.) Command: Return Online to Data Mode Values: 0 or 1 Default: None Description: Enters on-line data mode without a retrain.
  • Page 68 MINI-MODEM (56 KBPS DATA/FAX MODEM) Command: Enable/Disable Result Codes Values: n = 0 or 1 Default: Description: Enable Result Codes. Disable Result Codes. Command: Sr=n Set Register Value Values: r = S-register number; n varies Default: None Description: Set value of register Sr to value of n, where n is entered in decimal format.
  • Page 69 MINI-MODEM (56 KBPS DATA/FAX MODEM) n? reports the value of S-Register n. For example: ATS7 establishes S7 as the last accessed register. AT=40 sets the contents of the last register accessed to 40. ATS=20 sets the contents of the last register accessed to 20.
  • Page 70 MINI-MODEM (56 KBPS DATA/FAX MODEM) Description: Upon connection, the modem reports DTE speed only (e.g., CONNECT 56000). Other responses are disabled. Upon connection, the modem reports the line speed, the error correction protocol, and the DTE speed. Other responses are disabled. Upon connection, the modem reports DCE speed only (e.g., CONNECT...
  • Page 71 MINI-MODEM (56 KBPS DATA/FAX MODEM) look for dial tone or busy signal. Sends X0 messages and CONNECT speed. Sends X1 messages with NO DIALTONE. Sends X1 messages with BUSY. Sends all responses. NOTE If the modem is in facsimile mode (e.g., +FCLASS=1), the only message sent to indicate a connection is CONNECT without a speed indication.
  • Page 72 MINI-MODEM (56 KBPS DATA/FAX MODEM) hook. In non-error correction mode, the modem will respond to the receipt of a long space (i.e., a break signal greater than 1.6 seconds) by going on-hook. Command: Modem Reset Values: n = 0 or 1 Default: None Description:...
  • Page 73 MINI-MODEM (56 KBPS DATA/FAX MODEM) signal is detected, and DCD is off when the carrier signal is not detected. Command: &Dn Data Terminal Ready (DTR) Control Values: n = 0, 1, 2, or 3 Default: Description: &D0 Modem ignores the true status of the DTR signal and responds as if it is always on.
  • Page 74 MINI-MODEM (56 KBPS DATA/FAX MODEM) Command: &Fn Load Factory Default Settings Values: n = 0 or 1 Default: None Description: &F0 Restore factory configuration &F1 Restore factory configuration Command: &Gn V.22bis Guard Tone Control Values: n = 0, 1, or 2 Default: Description: &G0...
  • Page 75 MINI-MODEM (56 KBPS DATA/FAX MODEM) Command: &Kn Flow Control Selection Values: n = 0, 3, 4, 5 or 6 Defaults: Description: &K0 Flow control disabled. &K3 Enable CTS/RTS hardware flow control. &K4 Enable XON/XOFF flow control. &K5 Enable transparent XON/XOFF flow control. &K6 Enable both RTS/CTS and XON/XOFF flow control.
  • Page 76 MINI-MODEM (56 KBPS DATA/FAX MODEM) Command: &Mn Communications Mode Values: n = 0 Defaults: Description: &M0 Asynchronous mode. &M1 Reserved—responds ERROR. NOTE &M0 selects direct asynchronous operation. Note that the command sequence &M0\N0 selects normal buffered mode, but the command sequence \N0&M0 selects direct mode. This is because the \N0 command is analogous to the &Q6 command.
  • Page 77 MINI-MODEM (56 KBPS DATA/FAX MODEM) Command: &Sn Data Set Ready (DSR) Control Values: n = 0 or 1 Default: Description: &S0 Force DSR ON at all times. &S1 DSR becomes active after answer tone is detected (CD), and inactive after carrier tone is lost.
  • Page 78 MINI-MODEM (56 KBPS DATA/FAX MODEM) &T7 Requests remote Digital Loopback with self-test. &T8 Starts local analog loop test with self-test. Command: &V0 View Current Configuration Values: Description: Displays the active modem settings. NOTE Reports the current (active) configuration, the stored (user) profiles, and the first four stored phone numbers.
  • Page 79 MINI-MODEM (56 KBPS DATA/FAX MODEM) STORED PROFILE 0: B0 E1 L1 M1 N1 QO T V1 W0 X4 Y0 &C0 &D0 &G2 &J0 &K3 &Q5 &R1 &S0 &T4 &X0 S00:002 S02:043 S06:002 S07:030 S08:002 S09:006 S10:014 S11:095 S12:050 S18:000 S36:007 S37:000 S40:105 S41:003 S46:138 S95:000 STORED PROFILE 1: B0 E1 L1 M1 N1 QO T V1 W0 X4 Y0 &C0 &D0 &G2 &J0 &K3 &Q5 &R1 &S0 &T4 &X0...
  • Page 80 MINI-MODEM (56 KBPS DATA/FAX MODEM) TERMINATION REASON..LINK DISCONNECT or LOCAL REQUEST Last TX Data Rate..33600 BPS Highest TX Data Rate..33600 BPS Last RX Data Rate..28800 BPS Highest RX Data Rate..28800 BPS Error Correction Protocol...LAPM Data Compression..V42Bis Line Quality..030 Highest SPX RX state..068 Highest SPX TX state..067...
  • Page 81 MINI-MODEM (56 KBPS DATA/FAX MODEM) &Y1 Select stored configuration 1 on power-up. Command: &Zn=x Store Telephone Number Values: n = 0, 1, 2, or 3 memory locations x = Dialing string Default: None Description: Stores telephone dial string x in memory location n. Dial the stored number using the command ATDS=n.
  • Page 82 MINI-MODEM (56 KBPS DATA/FAX MODEM) Command: Line Signal Level Values: none Default: none Description: Returns a value which indicates the received signal level. The value returned is a direct indication (DAA- dependent) of the receive level at the MDP, not at the telephone-line connector (e.g., 009 = 9dBm, 043 = -043 dBm, etc.).
  • Page 83 MINI-MODEM (56 KBPS DATA/FAX MODEM) For example: AT%Q Command: Plug and Play Serial Number Values: none Default: none Description: Sets and stores eight serial numbers in hex format for serial Plug and Play. For example: AT%7 <8 hex numbers><same 8 hex numbers>...
  • Page 84 MINI-MODEM (56 KBPS DATA/FAX MODEM) characters><same 4 hex numbers><cr> Command: Enable/Disable Data Compression Values: n = 0, 1, 2, or 3 Default: Description: Disables Data Compression. Enables MNP 5 data Compression negotiation. Enables V.42 bis data Compression negotiation. Enables both V.42 bis and MNP 5 data Compression negotiation.
  • Page 85 MINI-MODEM (56 KBPS DATA/FAX MODEM) 256-character MNP maximum block size. NOTE The modem will operate an MNP error corrected link using a maximum block size controlled by the parameter supplied. Command: Transmit Break to Remote Values: n =\B1-\B9 Default: Description: Break length in 100-ms units (non-error-correction mode).
  • Page 86 MINI-MODEM (56 KBPS DATA/FAX MODEM) NOTE When the modem receives a break from the remote modem, break is passed to the DTE as follows: In non-error-correction mode direct, the break length is passed; in non-error-correction mode normal and in error correction mode, a 300-ms break is passed. Command: Set Break Control Values:...
  • Page 87 MINI-MODEM (56 KBPS DATA/FAX MODEM) Clear data buffers and send break to remote modem. Same as \K0. Send break to remote modem immediately. Same as \K0. Send break to remote modem in sequence with transmitted data. The second case is where the modem is in the on-line command state (waiting for AT commands)
  • Page 88 MINI-MODEM (56 KBPS DATA/FAX MODEM) Same as \K4. The third case is where a break is received from a remote modem during a non-error corrected connection: Clear data buffers and send break to the DTE. Same as \K0. Send break to DTE immediately.
  • Page 89 MINI-MODEM (56 KBPS DATA/FAX MODEM) V.42/MNP reliable mode. Same as \N2. V.42 reliable mode. MNP reliable mode. Command: Single Line Connect Message Values: n = 0 or 1 Default: Description: Disables Single Line Connect Message. Enables Single Line Connect Message, where the format is: CONNECT, DTE speed>,Modulation>...
  • Page 90 MINI-MODEM (56 KBPS DATA/FAX MODEM) modulation, optionally enables or disables automode, and optionally specifies the lowest and highest connection rates using one to four subparameters (client modem) or five subparameters (server modem). The command format is: +MS=<mod>[,[<automode>][,[<min_rate>][, [<max_rate][,[<x_law][,[<rb_signalling>]]]]]]<cr> The modem can send a string of information to the DTE consisting of selected options when AT+MS?<cr>...
  • Page 91 MINI-MODEM (56 KBPS DATA/FAX MODEM) Subparameter Definitions <mod> Selects Modulation: Possible Rates (bps): V.21 V.22 1200 V.22bis 2400, 1200 V.23 1200 V.32 9600, 4800 V.32bis 14.4K, 12K, 9.6K, 7,2K V.34 33.6K, 31.2K, 28.8K, 26.4K, 24K, 19.2K, 16.8K, 14.4K, 12K, 9.6K, 7.2K, 4.8K, 2.4K K56Flex 56K, 54K, 52K, 50K, 48K, 46K, 44K, 42K,...
  • Page 92 MINI-MODEM (56 KBPS DATA/FAX MODEM) NOTE Use a comma (,) to separate optional parameters. For example: +MS=11, 1, 300, 28800 (+MS command with the default settings). Subparameters that you do not enter remain at their current value. Type a comma alone to skip a subparameter or carriage return to skip the last subparameter.
  • Page 93 MINI-MODEM (56 KBPS DATA/FAX MODEM) -SDR=7 Enables Distinctive Ring Types 1, 2, and 3. The ring types supported and the corresponding ring cadence detect definitions are as follows: Table 4-2. Distinctive Ring Types. Distinctive Ring Type Definitions of Ring Cadence 2.0 sec ON, 4.0 sec OFF 0.8 sec ON, 0.4 sec OFF, 0.8 sec ON, 0.4 sec OFF 0.4 sec ON, 0.2 sec OFF, 0.4 sec ON, 0.2 sec OFF,...
  • Page 94 MINI-MODEM (56 KBPS DATA/FAX MODEM) Default: Description: Disables V.42 LAPM to MNP 10 conversion. Enables V.42 LAPM to MNP 10 conversion. LAPM answer mode detection phase. Command: This command is included only for compatibility and performs no function. Command: -SEC=n Enable/Disable Values: -SDR=n Default:...
  • Page 95 MINI-MODEM (56 KBPS DATA/FAX MODEM) Command: This command is included only for compatibility and performs no function. Command: This command is included only for compatibility and performs no function. Command: View Numbers in Blacklist Values: Description: This command requests the modem to return a list of blacklisted numbers to the DTE.
  • Page 96 MINI-MODEM (56 KBPS DATA/FAX MODEM) Command: View Delayed Numbers Values: Description: This command causes the modem to send a list of the delayed numbers together with the delay associated with each. The modem will return a list of delayed telephone numbers as defined in the *B command.
  • Page 97 MINI-MODEM (56 KBPS DATA/FAX MODEM) Description: #CID=0 Disables Caller ID #CID=1 Enables Caller ID with formatted presentation to the DTE. The modem will present the data items in a <TAG><Value> pair format. The expected pairs are data, time, caller code (phone number), and name.
  • Page 98 MINI-MODEM (56 KBPS DATA/FAX MODEM) Command: Tone Dial Values: Description: Tone dial until P (Pulse Dial) Command. Command: +++ Escape Sequence Values: Description: Puts the modem in command mode (and optionally issues a command) while remaining online. Type +++ and up to ten command characters, then press ENTER.

  • Page 99: S-Registers

    MINI-MODEM (56 KBPS DATA/FAX MODEM) AT**1 Download speed is 38.4 kbps AT**1 Download speed is 57.6 kbps NOTE See Chapter 6 for Download to Flash Memory procedure. 4.2 S-Registers Certain Command Mode configurations are stored in memory registers called S-Registers. The S command is used to assign a value to, and to read the current value of, an S-Register.
  • Page 100 MINI-MODEM (56 KBPS DATA/FAX MODEM) rings 0–255 Counts the number of rings that have occurred. decimal 0–255 43 (+) Sets ASCII code for the escape character. Values greater than 127 disable the escape sequence. decimal 0–127 13 (^M) Sets ASCII code for the carriage-return character.
  • Page 101 MINI-MODEM (56 KBPS DATA/FAX MODEM) seconds 2–255 Sets the time the modem goes off- hook before it begins to dial the telephone number. seconds 1–255 Sets the the time the modem waits for a carrier signal before aborting a call. Also sets the wait for silence time for the @ dial modifier.
  • Page 102 MINI-MODEM (56 KBPS DATA/FAX MODEM) valid and turns on the RLSD. S10 1/10 sec 1–255 14 (1.4) Sets the time, in tenths of a second, that a carrier signal must be lost before the modem disconnects. S11 1 ms 50–255 Sets spacing and duration of dialing tones.
  • Page 103 MINI-MODEM (56 KBPS DATA/FAX MODEM) S14 General Bit-Mapped Options Status. Indicates the status of command options: Bit 0 This bit is ignored Bit 1 Command Echo (En) 0 = Disabled (E0) 1 = Enabled (E1) Default Bit 2 Quiet Mode (Qn) 0 = Send Result Codes (Q0) Default 1 = Do not send Result Codes (Q1) Bit 3 Result Codes (Vn)
  • Page 104 MINI-MODEM (56 KBPS DATA/FAX MODEM) Bit 7 Originate/Answer 0 = Answer 1 = Originate (Default) S16 General Bit-Mapped Test Options Status. Indicates the status of the test in progress: Default 0. Bit 0 Local Analog Loopback 0 = Disabled (Default) 1 = Enabled (&T1) Bit 1 Not Used Bit 2 Local Digital Loopback...
  • Page 105 MINI-MODEM (56 KBPS DATA/FAX MODEM) Bit 5 RDL with self test 0 = Disabled (Default) 1 =Enabled (&T7) Bit 7 Not used Register Unit Range Default Description decimal 0–255 0 Sets the length of time, in seconds, that the modem conducts a test (commanded by &Tn) before returning to the Reg.
  • Page 106 MINI-MODEM (56 KBPS DATA/FAX MODEM) V.24/General Bit Mapped Options Status (indicates the status of command options) Default: 52 (34h) Bit 0 Set by &Jn command but ignored otherwise. 0 = &J0 (Default) 1 = &J1 Bit 1 Reserved Bit 2 CTS behavior (&Rn) 0 = CTS tracks (&R0) 1 = CTS always on (&R1)—Default Bit 3-4 DTR behavior (&Dn)
  • Page 107 MINI-MODEM (56 KBPS DATA/FAX MODEM) Default: 117 (75h) Bit 0-1 Speaker volume (Ln) 0 = Off (L0) 1 = Low (L1) 2 = Medium (L2) 3 = High (L3) Bit 2-3 Speaker control (Mn) 0 = Disabled (M0) 1 = Off on Carrier (M1) 2 = Always on (M2) 3 = On during Handshake (M3) Bit 4-6...
  • Page 108 MINI-MODEM (56 KBPS DATA/FAX MODEM) Bit 1-3 DTE Rate 0 = 0-300 bps 1 = 0600 bps 2 = 1200 bps 3 = 2400 bps 4 = 4800 bps 5 = 9600 bps 6 = 19200 bps 7 = 38400 bps or higher (Default) Bit 4-5 Assumed DTE parity 0 = even...
  • Page 109 MINI-MODEM (56 KBPS DATA/FAX MODEM) power sleep mode. The timer is reset upon any DTE or telephone line activity. Reg. Unit Range Default Description S25 seconds 0–255 Sets the length of time, in seconds, that the modem ignores DTR for taking the action specified by %Dn.
  • Page 110 MINI-MODEM (56 KBPS DATA/FAX MODEM) 0 = &Q4 1 = &Q5 (Default) 0 = &Q6 Bit 2 Leased Line Control 0 = Dial Up Line (&L0)—Defaul Bit 4-5 Internal Select Clock Reg. Unit Range Default Description 0 = Internal Clock (&X0)—Default 1 = External Clock (&X1) 2 = Slave Clock (&X2) Bit 6 CCITT/Bell Mode Select (Bn)
  • Page 111 MINI-MODEM (56 KBPS DATA/FAX MODEM) 0 = 39%-61% make/break ratio at 20 pulses per second (&P2). 0 = 33%-67% make/break ratio at 20 pulses per second (&P3). Reg. Unit Range Default Description S29 1 minute 0–255 70ms Sets the length of time, in units of 10 ms, that the modem will go on-hook when...
  • Page 112 MINI-MODEM (56 KBPS DATA/FAX MODEM) Bit-Mapped Options Status (Indicates the status of command options.) Default: 194 Bit 0 Single Line Connect Message Enable/Disable (\Vn) 0 =Messages controlled by S95, Wn and Vn (\V0)-Default 1 =Single Line Connect Message (\V1) Bit 1 Auto Line Speed Detection (Nn) 0 = Disabled (N0) 1 = enabled (N1)—Default Bit 2-3...
  • Page 113 MINI-MODEM (56 KBPS DATA/FAX MODEM) Reg. Unit Range Default Description S32 decimal 0–255 Sets the value of the XON character. Reg. Unit Range Default Description S33 decimal 0–255 Sets the value of the XOFF character. S36 Bit-Mapped Options Status (indicates the status of command options).
  • Page 114 MINI-MODEM (56 KBPS DATA/FAX MODEM) 0 = Modem disconnects. 1 = Modem stays on-line and a Direct mode connection is established. 2 = Reserved 3 = Modem stays on-line and a Normal mode connection is established. 4 = An MNP connection is attempted; if it fails, the modem disconnects.
  • Page 115 MINI-MODEM (56 KBPS DATA/FAX MODEM) If N0 command is active, S37 = 10 updates the +MS command subparameters to reflect +MS = 10,1,300,12000. IF N1 command is active, S37 = 10 updates the +MS command subparameters to reflect +MS = 10,0,12000,12000.
  • Page 116 MINI-MODEM (56 KBPS DATA/FAX MODEM) Reg. Unit Range Default Description S38 decimal 0–255 This register specifies the delay between the modem’s receipt of the H command to disconnect (or ON-to-OFF transition of DTR if the modem is programmed to follow the signal), and the disconnect operation.
  • Page 117 MINI-MODEM (56 KBPS DATA/FAX MODEM) time out and continues to attempt to deliver data in the buffer until the connection is lost or the data is delivered. Bit-Mapped Options Status (Indicates the status of command options). Default: 3 Bit 0-2 Status of Command Options 0 = No Flow Control 3= RTS/CTS (&K3)—Default...
  • Page 118 MINI-MODEM (56 KBPS DATA/FAX MODEM) Bit 2 Reserved Bit 3-5 Break Handling (\Kn) 0 = \K0 1 = \K1 2 = \K2 3 = \K3 4 = \K4 5 = \K5—Default Bit 6-7 MNP Block Size (\An) 0 = 64 characters (\A0) 1 = 128 characters (\A1)—Default 2 = 192 characters (\A2) 3 = 256 characters (\A3)
  • Page 119 MINI-MODEM (56 KBPS DATA/FAX MODEM) fallback/fall forward disabled (%E0) 1 = Retrain enabled (%E1) 0 = Fallback/fall forward enabled (%E2)—Default Bit 3 Reserved Bits 4-5 Reserved Bit 7 Reserved Reg. Unit Range Default Description S46 decimal 136 or 138 138 Controls selection of compression.
  • Page 120 MINI-MODEM (56 KBPS DATA/FAX MODEM) Reg. Unit Range Default Description S48 decimal 0, 7, 128 7 Determines the remote modem’s V.42 negotiation capabilities. If the remote modem’s capabilities are known, this process can be bypassed. S48=0 means to disable negotiation; bypass the detection/ negotiation phases;...
  • Page 121 MINI-MODEM (56 KBPS DATA/FAX MODEM) table lists configu- ration settings necessary to negotiate certain types of connections. Table 4-3. V.42 Negotiation Action. S48=7 S48=128 S36=0,2 LAPM or Hangup Do not use S36=1,3 LAPM or Async Async S36=4,6 LAPM, MNP, or Hangup MNP or Hangup S36=5,7 LAPM, MNP, or Async...
  • Page 122 MINI-MODEM (56 KBPS DATA/FAX MODEM) S86 decimal 0, 4, 5, 9, none When the modem 12, 13, 14 issues a NO CARRIER result code, a value is written to this S- Register to help determine the the failed connection. S86 records the first event that contributes to a NO CARRIER message.
  • Page 123 MINI-MODEM (56 KBPS DATA/FAX MODEM) Reg. Unit Range Default Description S91 dBm 0 to -15 dB 10 Sets the PSTN mode, resulting in a transmit level from 0 to -15 dBm, In some countries, the transmit level may not be changed and there are checks to prevent transmit attenuation level...
  • Page 124 MINI-MODEM (56 KBPS DATA/FAX MODEM) attenuation level change. -10 dBm is the transmit-level default. S95 The bits in this register can be set to override some of the Wn command options. A bit set to a 1 in this register will enable the corresponding result code regardless of the Wn setting.

  • Page 125: Result Codes

    MINI-MODEM (56 KBPS DATA/FAX MODEM) 4.3 Result Codes When the Mini-Modem receives an AT command from the terminal or PC, the Mini-Modem tries to execute the command, then sends a status message to the PC or terminal which reports the “results” of the command (hence the name “result codes”).
  • Page 126 MINI-MODEM (56 KBPS DATA/FAX MODEM) Table 4-4 (continued). Result Codes. Terse Verbose Description CONNECT 38400 Connected at 38400 bps CONNECT 57600 Connected at 57600 bps CONNECT 115200 Connected at115200 bps CONNECT 75TX/1200RX Connected at V.23 Originate CONNECT 1200TX/75RX Connected at V.23 Answer Delayed Delay is in effect for the dialed number BLACKLISTED...
  • Page 127 MINI-MODEM (56 KBPS DATA/FAX MODEM) Table 4-4 (continued). Result Codes. Terse Verbose Description COMPRESSION CLASS 5 Connected MNP Class 5 and COMPRESSION COMPRESSION V.42 bis Connected V.42 bis and COMPRESSION COMPRESSION NONE Connected without COMPRESSION PROTOCOL NONE Connected without any form of PROTOCOL PROTOCOL LAPM Connected in V.42 LAPM mode CARRIER 31200...
  • Page 128 MINI-MODEM (56 KBPS DATA/FAX MODEM) Table 4-4 (continued). Result Codes. Terse Verbose Description CONNECT 44000 Connected at 44000 bps CONNECT 46000 Connected at 46000 bps CONNECT 48000 Connected at 48000 bps CONNECT 50000 Connected at 50000 bps CONNECT 52000 Connected at 52000 bps CONNECT 54000 Connected at 54000 bps CONNECT 56000...

  • Page 129: Testing Your Modem

    MINI-MODEM (56 KBPS DATA/FAX MODEM) 5. Testing Your Modem 5.1 Local Analog Loopback Test/V.54 Loop 3 In this test, data from your computer or terminal is sent to your modem’s transmitter, converted into analog form, looped back to the receiver, converted into digital form, and then received back at your monitor for verification.
  • Page 130 MINI-MODEM (56 KBPS DATA/FAX MODEM) The test procedure is as follows: 1. Connect the modem to your computer. With your communication software, set the desired baud rate. 2. Type AT&T1 and hit ENTER. This places your modem in Analog Loopback mode, in the Originate mode.

  • Page 131: (Local/Manual)

    MINI-MODEM (56 KBPS DATA/FAX MODEM) appearing on your monitor, your modem is probably causing the problem, although it could also be your computer. If your modem passes this test, but you are receiving errors while on-line, the remote modem or the phone line could be at fault.
  • Page 132 MINI-MODEM (56 KBPS DATA/FAX MODEM) The test procedure is as follows: 1. Go into Terminal mode. Type AT and hit ENTER; you should get an OK message. 2. Dial the remote modem by entering the Dial command and the phone number, to establish on-line mode.

  • Page 133: Digital Loopback Test/V.54 Loop 2 (Remote/Automatic)

    MINI-MODEM (56 KBPS DATA/FAX MODEM) data entered from the remote keyboard is the same as the data received on the remote monitor. Remote Local Modem Computer Computer Modem or Terminal or Terminal UUUUU UUUUU Digital Analog Analog Digital Type AT in terminal mode; hit ENTER;...
  • Page 134 MINI-MODEM (56 KBPS DATA/FAX MODEM) 5.3 Digital Loopback Test/V.54 Loop 2 (Remote/Automatic) In this test, your modem must be on-line with another modem set up to respond to a request for Digital Loopback (note that some modems may not support Remote Loopback or may have this feature disabled).
  • Page 135 MINI-MODEM (56 KBPS DATA/FAX MODEM) 5. Type data from your keyboard. For this test, typing multiple upper-case “U” characters is a good way to send an alternating test pattern of ones and zeros. The data received by the remote modem will enter its analog receiver, be converted to digital data, be reconverted into analog, and then looped through its transmitter back to the local...

  • Page 136: Service And Technical Support

    6. Service and Technical Support 6.1 Calling Black Box If you have any questions about the operation of this unit, please call Black Box Technical Support at 724-746-5500. 6.2 About the Internet You can also e-mail your questions to this address: info@blackbox.com...

  • Page 137: Appendix A: Tone-Dial Frequencies

    MINI-MODEM (56 KBPS DATA/FAX MODEM) Appendix A: Tone Dial Frequencies Digits 1209 1336 1477 1633 The tone-dialing method combines two frequencies for each of the twelve digits found on a touch-tone dial pad. This method is referred to as Dual-Tone Multi- Frequency (DTMF) dialing.
  • Page 138 MINI-MODEM (56 KBPS DATA/FAX MODEM) For example, the digit 4 would be dialed by combining two tone frequencies. It would use the frequency 770 Hz from the second row, and the frequency 1209 Hz from the first column. In another example, the digit 9 would be dialed with the tone frequencies of 852 Hz and 1477 Hz.

  • Page 139: Appendix B: Regulatory Information

    MINI-MODEM (56 KBPS DATA/FAX MODEM) Appendix B: Regulatory Information B.1 Single-User Software License Agreement Black Box grants Customer the right to use one copy of the software on a single computer (the Licensed System). You may not network the software or otherwise use it on more than one computer or computer terminal at the same time.

  • Page 140: Canadian Limitations Notice

    MINI-MODEM (56 KBPS DATA/FAX MODEM) B.3 Canadian Limitations Notice NOTICE: The Industry Canada label identifies certified equipment. This certification means that the equipment meets certain telecommunications network protective, operational and safety requirements. The Industry Canada label does not guarantee the equipment will operate to the user’s satisfaction.
  • Page 141 MINI-MODEM (56 KBPS DATA/FAX MODEM) Users should ensure for their own protection that the electrical ground connections of the power utility, telephone lines and internal metallic water pipe system, if present, are connected together. This precaution may be particularly important in rural areas. CAUTION Users should not attempt to make such connections themselves, but should contact the appropriate electric...
  • Page 142 © Copyright 2001. Black Box Corporation. All rights reserved. 1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746...

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