3Com 3C882 manual 3Com Corporation 5400 Bayfront Plaza Santa Clara, California

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3Com Corporation 5400 Bayfront Plaza Santa Clara, California 95052-8145

3Com Corporation, 1996. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without permission from 3Com Corporation.

3Com Corporation reserves the right to revise this documentation and to make changes in content from time to time without obligation on the part of 3Com Corporation to provide notification of such revision or change.

3Com Corporation provides this documentation without warranty of any kind, either implied or expressed, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. 3Com may make improvements or changes in the product(s) and/or the program(s) described in this documentation at any time.

UNITED STATES GOVERNMENT LEGENDS:

If you are a United States government agency, then this documentation and the software described herein are provided to you subject to the following restricted rights:

For units of the Department of Defense:

Restricted Rights Legend: Use, duplication or disclosure by the Government is subject to restrictions as set forth in subparagraph (c) (1) (ii) for restricted Rights in Technical Data and Computer Software clause at 48 C.F.R. 52.227-7013. 3Com Corporation, 5400 Bayfront Plaza, Santa Clara, California 95052-8145.

For civilian agencies:

Restricted Rights Legend: Use, reproduction or disclosure is subject to restrictions set forth in subparagraph (a) through (d) of the Commercial Computer Software - Restricted Rights Clause at 48 C.F.R. 52.227-19 and the limitations set forth in 3Com Corporation’s standard commercial agreement for the software. Unpublished rights reserved under the copyright laws of the United States.

The software described in this documentation is furnished under a license agreement included with the product either as a separate document or on the software distribution diskette in a root directory file named LICENSE.TXT. If you are unable to locate a copy, please contact 3Com and a copy will be provided to you.

Unless otherwise indicated, registered trademarks are registered in the United States and may or may not be registered in other countries.

3Com is a registered trademark of 3Com Corporation. 3ComImpact, Async-Sync PPP, SPID Wizard and QuickSelect are trademarks of 3Com Corporation.

CompuServe is a registered trademark of CompuServe, Inc. IBM and AT are trademarks of International Business Machines Corporation. Apple and Macintosh are trademarks of Apple Computer Corporation. UL is a trademark of Underwriters Laboratories, Inc. Pentium is a trademark of Intel Corporation. Microsoft, MS-DOS, Windows, and Windows NT are trademarks of Microsoft Corporation. Siemens is a trademark of Siemens Artiengesellschaft. AT&T is a trademark of American Telephone & Telegraph Company. Northern Telecom is a trademark of Northern Telecom Limited. Motorola is a trademark of Motorola, Inc. Stac is a trademark of State of the Art Consulting, Inc. Hayes is a trademark of Hayes Microcomputer Products, Inc. AdTran is a trademark of AdTran Inc.

Other brand and product names may be registered trademarks or trademarks of their respective holders.

Guide written by Anne Bailey. Edited by Nancy Kurahashi. Technical illustration by Tim Buckreus.

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Contents 3COMIMPACT IQ External Isdn Modem User Guide 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Year Limited Warranty Contents Configuring Multilink PPP Placing Isdn Data CallsAT&T 5ESS Custom Switch A-4 RegistersWorld Wide Web Site Support from 3Com E-4 Returning Products for Repair E-4Figures Main 3C882 Configuration Steps for a Macintosh Tables Pin DescriptionsAbout this Guide How to Use This GuideAdvanced configuration Chapter IntroductionConventions Network Access with the 3C882 Isdn Modem Introduction3C882 Isdn modem provides the following features 3C882 Isdn Modem FeaturesEasy Installation and Use Isdn Standards and Interface High PerformanceProtocols Ansi V.120 rate adaptionWarranty Voice FeaturesDiagnostics Security3C882 Isdn Modem Package Contents Before You Install the 3C882 Isdn ModemIBM PC or Compatible Requirements Apple Macintosh RequirementsIsdn Information Sheet Isdn Switch TypeIsdn Information 3ComImpact IQ Isdn ModemBefore You Install the 3C882 Isdn Modem Installing the 3C882 Main hardware installation steps are depictedFront Panel LED Indicators Familiarizing Yourself with the 3C882 Isdn ModemColor Description Front Panel LED Indicator DefinitionsAs power is supplied to the unit GreenInstalling a Serial Cable You will need the following type of serial cableInstalling the Isdn Cable Installing Analog Equipment Analog Equipment ConnectionInstalling Analog Equipment Installing the Power Cable Power Cable ConnectionConfiguring the 3C882 Isdn Modem for a PC Configuration for ANIBM-COMPATIBLE PC Main steps are shown in FigureClick OK Installing the 3C882 SoftwareTo install the 3C882 Isdn modem software You will see a start message, as shown in Figure Running Spid WizardDouble-click the 3ComImpact IQ 3.0 icon shown in Figure First Telephone Number Dialog Box for PC Second Telephone Number Dialog Box for PC Click Finish Configuration dialog box buttons do the followingConfiguring the 3C882 Isdn Modem for a PC Configuring Multilink PPP Appears Click FinishConfiguring the B Channel Rate Configuring Voice Call RoutingConfiguring the 3C882 Isdn Modem for a PC Verifying the Configuration 11 Configuration for One Telephone Number & Two DevicesConfiguring the 3C882 Isdn Modem for a PC Setup Using Windows 12 New Hardware Dialog Box13 Install From Disk Dialog Box 15 Install New Modems Dialog Box 16 Modem Manufacturers and Models Dialog Box Setup Using Windows NT RAS 17 Network Settings Dialog Box 18 Remote Access Setup Dialog BoxRemote Access Setup dialog box appears Configure Port dialog box appearsConfiguration for AN Apple Macintosh Computer Configuring the 3C882 Isdn Modem for a Macintosh ComputerMessage box appears Click Continue. -3 appearsClick OK This completes the software installation procedure Click Continue. -4 appears3ComImpact IQ Program Icon Select Modem Port ScreenSpid Wizard Start Screen 10 First Telephone Number Screen for Macintosh 11 Second Telephone Screen for Macintosh 12 Successful Configuration Screen Quit. Click Quit to leave the Configuration dialog box Configuring the 3C882 Isdn Modem for a Macintosh Computer 15 Configuration for One Telephone Number per Device Verifying the Configuration Configuring the 3C882 Isdn Modem for a Macintosh Computer Advanced Configuration Advanced Configuration Parameter Default ValuesDBA Auto Answer Baud RateChanging The Parameter Settings Send the command AT $B 230400 to the 3C882 Isdn modemType Auto Answer DisabledAutobaud Enabled AnswerPlacing Isdn Data Calls Placing and ReceivingCalls Placing Calls Automatically Placing Calls ManuallyPlacing Multilink PPP Calls Placing a 56K TollSaver Call An example is as follows ATD 1 908 555 1212 & 1 908 555An example is as follows Atdd 1 908 555 When the 3C882 Isdn modem receives a voice call,Receiving Isdn Data Calls Channels flash and then remain litPlacing Voice Calls Using an Analog Phone Port Receiving Voice Calls Using an Analog Phone PortTroubleshooting Checking the BasicsMonitoring the D Channel LED Monitoring LEDsMonitoring the Test LED Evaluating Symptoms and Solutions Monitoring the B Channel LEDsCannot be sent Upon power up Previous firmware Symptom Possible Cause SolutionLED remains lit Properly configured You receive a Do not remain Or application software orDownloading Firmware to Your 3C882 Isdn Modem Using On-Line HelpFinding More Information Contacting Technical Support Following on-line help is availablePlacing the Isdn Order Through Your Telephone Company Ordering Isdn ServicePlacing the Isdn Order Through 3Com Give the representative the 3C882 Isdn modem Isdn codeTable A-1 Isdn Order Codes Number of Telephone Numbers Package K Package UTelephone company with the information provided SwitchCircuit-switched Data Table A-2Switch Provided in Table A-4 To order Isdn service for the Northern Telecom DMSSwitch, supply the telephone company with the information DynamicEwsd Key System Ekts Flexible Call Offering FCO Yes †AT Commands REGISTERS, and Result Codes AT Command Set\Q0 disables flow control Host computer defaultAnswer mode only Hardware flow control default+++ Enter command state Settings AT \SReset AT Z \T0 disables inactivity timer defaultRegisters Registers except S0 are the 3Com extended registersIsdn Default S65 Isdn Caller ID for Voice Calls for Phone Port S75 Connection Delay Result Codes Table B-3 lists the 3C882 Isdn modem result codesSpecifications 3C882 Isdn Modem SpecificationsRS-232 COM Port Pin Specifications Clear to Send CTS From Isdn modemReceive Data RD Send Data SD PC Serial Cable Pin SpecificationsMacintosh Serial Cable Pin Specifications To copy the README.TXT file, at the C\3Com prompt, type Configuration UsingConfiguration Using DOS Use the Space Bar to select the 3C882 Isdn modem’s COM port Configuration Using DOS Technical Support On-line Technical Services3Com Bulletin Board Service World Wide Web Site Call the telephone number nearest youTo use 3ComForum Log on to CompuServe 3ComFacts Automated Fax Service3ComForum on CompuServe Press Return to see the 3ComForum main menuSupport from 3Com U.S. and Canada, call 800 876 3266 for customer serviceSupport from Your Network Supplier Returning Products for RepairChannel GlossaryAsync-Sync PPP Conversion COM port Isdn LayerPlain old telephone service 120Numerics Analog equipment installation 2-6 analog portIndex Apple macintosh requirements 1-6 Async-Sync PPPDMS 100 A-5 Data Using AT commands 6-2 voiceRegisters B-4 Serial cable installation Result codes B-8Index Limited Warranty Santa Clara, CA 95052-8145 408 3COM END User Software License Agreement For civilian agencies Interference Handbook Canadian Notice  1996, 3Com Corporation