1997 | USRobotics x2/56K, 33600 specification

* Depending on line conditions.

U.S. Robotics and the U.S. Robotics logo are 3Com registered trademarks. IBM, IBM PC, PC/XT and PC/AT are International Business Machines Corporation trademarks. Microcom Networking Protocol (MNP) is a Microcom Inc. registered trademark.

© 1997

Image 2

USRobotics x2/56K, 33600 user manual 1997

Contents

User’s Manual 1997 Table of Contents Voice Functions Appendix B Technical SpecificationsGlossary Limited Warranty Appendix a Technical Reference Introduction How a Modem Works How Does Your Sportster Winmodem 33600 & x2/56K∗ Work ? Quickly Efficiently Other FeaturesAccurately With Windows Package Contents Plug and Play InstallationSportster Winmodem 33600 & x2/56K Installation Installation Procedure Insert the Modem Into the Computer Plug in the power plug and turn the computer on Run the Modem’s Installation Program If you choose Then try This COM port This IRQ Running the Installation Program on a Windows 95 System Installing the Communications Software Page Changing Country Setup under Windows Page Using the Modem Installation Test Factory Settings Resetting the Modem to Factory Settings Remarks on Using the Modem Remember the Following Points When Using the Modem Un-Installing the Modem Page Symptom Solution TroubleshootingProblems and Solutions Respond when, Send AT commandsModem does not Terminal mode, you Errors Tone when you try toUsing a certain There is no audible Connects itself Connection problemModem Correctly to Intercontinental Transmission errorsA fax, errors alter Connections are Before the Modems Connect Though you are Signals but fail toIf your PC reacts as Online, but no call Link. During Data Transfers If your screen displays random or garbage characters During Fax Transmissions If You Are Still Having Problems Page Voice Functions Overview of Voice Functions Implementing Voice Functions Application SettingsSpeakerphone Voice Applications Input/Output Source Selection Page Main AT commands Appendix a Technical Reference Basic Command Set E0 Echo OFF E1 Modem displays keyboard commands Hn Controls ON/OFF hook Ln Controls speaker volume internals onlyFn Sets online local echo of transmitted data ON/OFF Displays the following information Xn Sets result code displayed. Default is Vn Displays verbal/numeric result codes Functions Xn SettingResult Codes Advanced Command Set Sets Guard Tone Enables/disables data compressionSets Error Control ARQ 1200 bps and higher Sets Transmit DataTD flow control Sets Receive Data RD hardware flow control Writes current configuration to Nvram templatesSets pulse rotary dial make/break ratio Controls Data Set Ready DSR operations Reg Default Function Registers Sets the number of seconds the modem Page Bit Value Result Reg Default Function Reg Default Function Page Value Bit 4 Bit ResultBit 128 Reserved Page Page Sportster Winmodem X2/56K Specifications Electrical power Electromagnetic Compatibility SafetyCE Mark Page Asynchronous transmission Analog signalsGlossary Baud rate Bps BitBits Buffer Error correction Data modeDigital signals Duplex Flow control Fax modeFallback Local Echo Remote Echo ParityProtocol Synchronous transmission Terminal modeSerial transmission Terminal XON/XOFF Page Limited Warranty Advised of the Possibility of Such Damages Page 024.1388-00