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56K Modem
User's Guide & Reference
This manual covers installation and operating instructions for:
3Com U.S. Robotics Modems
3Com, the 3Com logo, and U.S. Robotics, are registered trademarks of 3Com
Corporation or its subsidiaries. Windows is a registered trademark of Microsoft Corp. Any
other trademarks, trade names or service marks used in this manual are the property of
their respective owners.
Copyright © 2000 3Com Corporation or its subsidiaries
3800 West Golf Road
Rolling Meadows, IL 60008
All Rights Reserved
*IMPORTANT! In accordance with the ITU standard for 56K transmissions (V.90), this modem is capable of
56 Kbps downloads. However, due to FCC rules which restrict power output of the service providers'
modems, current download speeds are limited to 53 Kbps. Actual speeds may vary depending on line
conditions and other factors. Uploads from users to server equipment travel at speeds up to 31.2 Kbps. An
analog phone line compatible with the V.90 standard and an Internet provider or corporate host site
compatible with the V.90 standard are necessary for these high-speed downloads.
See http://www.3com.com/56k for details.
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Summary of Contents for 3 Com U.S. Robotics 3Com
- Page 1 This manual covers installation and operating instructions for: 3Com U.S. Robotics Modems 3Com, the 3Com logo, and U.S. Robotics, are registered trademarks of 3Com Corporation or its subsidiaries. Windows is a registered trademark of Microsoft Corp. Any other trademarks, trade names or service marks used in this manual are the property of their respective owners.
- Page 2 RODUCT ISCLAIMER This manual covers features that may or may not be present on your modem. Please consult your computer manufacturer’s documentation for a list of your modem’s supported features. For service and repair issues, contact your computer system manufacturer. DOS B UPPORT The DOS Box allows DOS-based communications applications to work in a Windows environment.
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Page 3: Table Of Contents
ABLE OF Product Features Voice Product Features Installing the Modem Installing Modem Drivers for Windows 98 Second Edition Installing Modem Drivers for Windows Millennium Edition (Me) Installing Modem Drivers for Windows NT 4.0 Installing Modem Drivers for Windows 2000 Technical Reference Regulatory Information ONTENTS... -
Page 5: Product Features
Modulation Schemes ITU-T V.90 ITU-T V.34+ ITU-T V.32bis ITU-T V.32 ITU-T V.22bis ITU-T V.22 ITU-T V.23 Bell 212A ITU-T V.21 Bell 103 Error Control and Data Compression Schemes ITU-T V.42 MNP 2-4 ITU-T V.42bis MNP 5 Embedded Control V.80 RODUCT EATURES Fax Modulation Schemes ITU-T Group 3 Fax... -
Page 6: Voice Product Features
OICE RODUCT EATURES If your modem has voice capabilities, the following information will apply: Speakerphone With the addition of a microphone, a set of external, powered speakers, and the appropriate software, your new voice modem provides all the convenience of a full-duplex speakerphone. Unlike many half-duplex speakerphones, your modem allows you to converse normally without annoying echoes and distortion. -
Page 7: Installing The Modem
Note: This feature is not available on the European version of the 3Com U.S. Robotics Modem. You cannot use the modem and a phone at the same time if they share the same telephone line. -
Page 8: Installing Modem Drivers For Windows 98 Second Edition
INDOWS To install the modem driver: 1. After Windows starts, the Add New Hardware Wizard will find a PCI Serial Controller. Click the Next button to continue. 2. On the next dialog box, make sure “Search for the best driver for your device (Recommended)” is checked. -
Page 9: Installing Modem Drivers For Windows Millennium Edition (Me)
NSTALLING INDOWS To install the modem driver: 1. After Windows starts, the Add New Hardware Wizard will find a PCI Serial Controller. Click the Next button to continue. 2. On the next dialog box, select the “Specify the location of the driver (Advanced)” option, then click the Next button to continue. - Page 10 NSTALLING To install the modem driver: 1. When Windows starts, login using an account with Administrator privileges. 2. Locate and run the SETUP.EXE program for your modem driver. 3. When the program starts, click the Install button. After the files are copied, the modem driver is installed.
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Page 11: Installing Modem Drivers For Windows Nt
To install the modem driver: 1. When Windows starts, login using an account with Administrator privileges. After logging in, the Found New Hardware Wizard will find a PCI Serial Port. Click the Next button to continue. 2. On the next dialog box, select the “Search for a suitable driver for my device (recommended)” option, then click the Next button to continue. -
Page 12: Technical Reference
Technical Reference Typing Commands In terminal mode, type commands in either upper or lower case, not a combination. Use the Backspace key to delete errors. You cannot delete the original AT command because it is stored in the modem buffer. If a command has numeric options and you do not include a number, zero is assumed. -
Page 13: Extended At Command Set
Zn (0,1,2,3,4,5) Reset and load configuration n AT command set help screen Note: C, K commands are not implemented, will respond OK when these commands are encountered. Ten phone numbers are stored in NVRAM. Defaults are underlined. Alps-specific modifications to the commands are in italics Extended AT Command Set &An (0,1,2,3) ARQ result codes Enable... -
Page 14: Miscellaneous Commands
Enable Caller ID and Select Reporting Format #CLS=n (0,1,2.0,8) Select Data (0), Fax (1,2.0) or Voice (8) #MDL? Identify Model of Modem - Sportster336FAXDSVDSPKR #MFR? Identify Manufacturer of Modem - USRobotics #REV? Identify Supervisor Code Revision Level of Modem #VBQ? Query Buffer Size #VBS=n (2,3,4) - Page 15 S Registers * Number of rings to answer on (0) Counts number of rings (0) * Defines escape code character (43) * Defines carriage return character (13) * Defines line feed character (10) * Defines backspace character (8) * Sets number of seconds modem waits before dialing (2) * Sets number of seconds modem waits for a carrier (60) * Comma delay time in seconds (2) * Carrier recognition time in tenths of a second (6)
- Page 16 Default time Disable all connections except V.32 9600bps * V.21/V.23 Fallback timer (20) * Reserved * TAD Audio level adjust (128) * Bit mapped (16) V.8 Call Indicate enable Enable V.8 mode Disable V.FC modulation Disable V.34 modulation Disable V.34bis modulation Disable X2 Disable V.90 Reserved...
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Page 17: Regulatory Information
Regulatory Information Manufacturer’s Declaration of Conformity The manufacturer of this modem declares that the product conforms to the FCC’s specifications: Part 15: Operation is subject to the following two conditions: (1) this device may not cause harmful electromagnetic interference, and (2) this device must accept any interference received including interference that may cause undesired operations. - Page 18 (The telephone number provided may not be a 900 number or any other umber for which charges exceed local or long-distance transmission charges.) Radio and Television Interference This equipment generates and uses radio frequency energy and if not installed and used properly, in strict accordance with the manufacturer’s instructions, may cause interference to radio and television reception.
- Page 19 CE Compliance Electromagnetic Compatibility This device complies with the following standards in accordance with the European Directives 89/336/EEC. Immunity EN 50082-1 06/92 Emission EN 55022 class B 08/87 Safety (Low Voltage Directive) This device complies with the following standards in accordance with European Directives 91/263/EEC and 72/23/EEC: EN 60950/A2 10/93 EN 41003 08/93...