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3Com 3C882 manual World Wide Web Site, Call the telephone number nearest you

Models: 3C882

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On-line Technical Services

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Call the telephone number nearest you:

Country	Data Rate	Telephone Number

Australia	up to 14400 bps	(61)	(2)	9955 2073
France	up to 14400 bps	(33)	(1)	69 86 69 54
Germany	up to 9600 bps	(49)	(89) 627 32 188 or (49) (89) 627 32 189
Hong Kong	up to 14400 bps	(852) 2537 5608
Italy (fee required)	up to 14400 bps	(39)	(2)	273 00680
Japan	up to 14400 bps	(81)	(3)	3345 7266
Singapore	up to 14400 bps	(65)	534 5693
Taiwan	up to 14400 bps	(886) (2) 377 5840
U.K.	up to 28800 bps	(44)	(1442) 278278
U.S.	up to 28800 bps	(1) (408) 980 8204

Access by Digital Modem

ISDN users can dial-in to 3ComBBS using a digital modem for fast access up to 56 Kbps. To access 3ComBBS using ISDN, dial the following number:

(408) 654 2703

World Wide Web Site

Access the latest networking information on 3Com’s World Wide Web site by entering our URL into your Internet browser:

http://www.3Com.com/

This service features news and information about 3Com products, customer service and support, 3Com’s latest news releases, selected articles from 3TECH™ (3Com’s award-winning technical journal) and more.

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3Com 3C882 manual World Wide Web Site, Call the telephone number nearest you

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 Conﬁguring Multilink PPP Quit. Click Quit to leave the Conﬁguration dialog boxConfiguring 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 TypePlacing 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 CompressionIsdn 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