3Com 1.024.1644-00 guide

Internal Modem Installation with Windows 3.x

14.Plug the power cords, cables, and peripherals back into the computer and turn on the computer.

15.Start Windows 3.x.

16.If you have your modem set to COM1/IRQ4 or COM2/IRQ3, go to “Software Installation” on page 29. If you have your modem configured to any other setting, open Program Manager and double-click the Main icon.

17. Double-click the Control Panel icon.

18. Double-click the Ports icon.

19.If it is not already selected, click the COM port for your modem. Then click Settings.

28 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 Determining Available Resources Control Panel Click Properties Determining Your Version of WindowsWindows 95 version Plug and Play Installation How to Prepare for Plug and Play Installation How to Insert the Modem into the Computer Serial NumberPage Page Page Page Installing Modem Drivers With Windows Versions 950 and 950a Moving Through the New Hardware Found ScreensPage COM Port Click More Info… Installing Modem Drivers With Windows Version 950b Using the Update Device Driver Wizard ScreensPage 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 Software Installation Windows Initialisation String Type of ModemFlow Control Possible Solution Read This First Troubleshooting Possible Solution Possible Solution Possible Solution Troubleshooting Possible Solution Support Resources Are You Still Having Problems? Support Resources Analogue loopback Analogue signalsAnswer mode Application Glossary Binary digit bit Glossary Auto dialBaud rate Bit rate Characters per second CPS Data modeGlossary Character Class 1 Digital signals DefaultDetect phase Glossary Facsimile Glossary Error controlFax mode Flow control Nonvolatile memory Nvram Local echoModem OFF/ON hook Parity Originate modeGlossary Online fallback/fall forward Protocol Start/stop bits Terminal modeSerial transmission Terminal 32 bis 22 bis27ter See online fall back/fall forward Ymodem 42 bisXmodem Ymodem G Technical Reference Dials the specified phone number, includes the following Technical ReferenceITU-T answer sequence En Sets local echo Displays the following information Ln Controls speaker volume internals onlyTechnical Reference Hn Controls ON/OFF hook Mn Operates speaker Numeric codes Verbal codes Technical Reference Sets result code displayed, default is 11/RINGING Technical Reference An Enables/disables additional result code subsets see Xn Resets modemDisplays a list of ampersand & commands Cn Controls Carrier Detect CD signal Sets Guard Tone Fn Loads a read-only non-programmable factory configurationKn Enables/disables data compression Hn Sets Transmit Data TD flow control see also &Rn 300 bps Sets pulse rotary dial make/break ratio No restrictions on the minimum speed for Wn Writes current configuration to Nvram templates Yn Sets break handling 64 56K Voice Faxmodem Internal User’s Guide Register Default Function Registers Default Function Bit Value Result Technical Reference Register Default Function S13 Timer S27 See the instructions for S13 S34 Bit Fax Commands +FCLASS=n Sets the mode of operation +FRH=n +FTH=nDisplayed As a number Words Description Regulatory CE Compliance Limited Warranty

3Com 1.024.1644-00 manual

Models: 1.024.1644-00