3Com 1.024.1644-00 manual Type of Modem, Initialisation String, Flow Control

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Software Installation

Refer to your software manual for the specific installation instructions. The software’s installation program will ask you questions about the modem you are using. You may need the following information when installing a communications software package.

Type of Modem

Most voice communications software programs will ask you to select the type of modem you are using. Select a U.S. Robotics high speed modem. If that selection is not listed, pick Courier Dual Standard, V.32bis, or V.34.

Initialisation String

For hardware flow control, a fixed serial port rate, and full result codes, type: AT&F1 and then press ENTER.

If you must use software flow control, type: AT&F2 and then press

ENTER.

Flow Control

For hardware flow control (highly recommended), select RTS/CTS.

For software flow control, select XON/XOFF.

You may need to disable the flow control (hardware or software) that you are not using.

Congratulations!

You are now ready to start using your

3Com U.S. Robotics modem.

56K Voice Faxmodem Internal - User’s Guide

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Contents 56K Voice Faxmodem Internal Page Table of Contents Page Table of Contents Page Welcome to 56K*Information Access Product Features Back Channel Link Rates Upload Speeds Flash ROM Upgradable Control Panel Determining Available ResourcesClick Properties Determining Your Version of WindowsWindows 95 version How to Prepare for Plug and Play Installation Plug and Play InstallationSerial Number How to Insert the Modem into the ComputerPage Page Page Page Moving Through the New Hardware Found Screens Installing Modem Drivers With Windows Versions 950 and 950aPage COM Port Click More Info… Using the Update Device Driver Wizard Screens Installing Modem Drivers With Windows Version 950bPage COM Port Click More Info… Word about COM Ports and IRQs How to Change the Modem’s Settings Page How to Insert the Modem into the Computer Page Page Page Page Restart Now Windows Software InstallationInitialisation String Type of ModemFlow Control Read This First Possible SolutionTroubleshooting Possible Solution Possible Solution Possible Solution Troubleshooting Possible Solution Support Resources Support Resources Are You Still Having Problems?Answer mode Analogue signalsAnalogue loopback ApplicationGlossary Baud rate Glossary Auto dialBinary digit bit Bit rateGlossary Character Data modeCharacters per second CPS Class 1Detect phase DefaultDigital signals GlossaryFax mode Glossary Error controlFacsimile Flow controlModem Local echoNonvolatile memory Nvram OFF/ON hookGlossary Online fallback/fall forward Originate modeParity ProtocolSerial transmission Terminal modeStart/stop bits Terminal27ter 22 bis32 bis See online fall back/fall forwardXmodem 42 bisYmodem Ymodem GTechnical Reference ITU-T answer sequence Technical ReferenceDials the specified phone number, includes the following En Sets local echoTechnical Reference Hn Controls ON/OFF hook Ln Controls speaker volume internals onlyDisplays the following information Mn Operates speakerVerbal codes Numeric codes11/RINGING Technical Reference Sets result code displayed, default isTechnical Reference Displays a list of ampersand & commands Resets modemAn Enables/disables additional result code subsets see Xn Cn Controls Carrier Detect CD signalKn Enables/disables data compression Fn Loads a read-only non-programmable factory configurationSets Guard Tone Hn Sets Transmit Data TD flow control see also &Rn300 bps Sets pulse rotary dial make/break ratio No restrictions on the minimum speed for Yn Sets break handling Wn Writes current configuration to Nvram templates64 56K Voice Faxmodem Internal User’s Guide Registers Register Default FunctionBit Value Result Default FunctionS13 Technical Reference Register Default FunctionTimer S27 See the instructions for S13 S34 Bit +FCLASS=n Sets the mode of operation Fax Commands+FRH=n +FTH=nDisplayed As a number Words Description CE Compliance RegulatoryLimited Warranty