3Com 3C882 manual Switch

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Placing the ISDN Order Through Your Telephone Company

A-4

AT&T To order ISDN service for the AT&T 5ESS Custom switch,

5ESS supply the telephone company with the information Custom provided in Table A-3.

Switch

Table A-3 Line Conﬁguration for AT&T 5ESS Custom

Required Information	Specification

Line Type	Standard (2B+D) ISDN line with
	point-to-point configuration
Line Code	2B1Q
Interface Type	U interface with an RJ-45 jack
Directory Numbers	2*
Maximum Terminals	1
Maximum B Channels	2
Actual User	Yes
Circuit-switched Voice	2*
Circuit-switched Voice Channel	Any
Circuit-switched Data	2
Circuit-switched Data Channel	Any
Terminal Type	A (Basic Terminal)
Display	Yes
Circuit-switched Voice Limit	2*
Circuit-switched Data Limit	2
Voice or Data	Both
Call Appearance Preference	Idle
Flexible Call Offering (FCO)	Yes†

*The Directory Number, Circuit-switched Voice, and Circuit-switched Voice Limit parameters should be set to 2 to allow both analog ports to be used simultaneously. Otherwise, if those parameters are set to 1, the ISDN line can only place or receive one call at a time.

†FCO (also referred to as Additional Call Offering) allows you to receive an incoming call while a dual-channel Multilink PPP call is active. If you do not want this feature, which may cost extra, FCO is not required.

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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 DescriptionsHow to Use This Guide Advanced configuration ChapterAbout this Guide IntroductionConventions Network Access with the 3C882 Isdn Modem Introduction3C882 Isdn modem provides the following features 3C882 Isdn Modem FeaturesEasy Installation and Use High Performance ProtocolsIsdn Standards and Interface Ansi V.120 rate adaptionVoice Features DiagnosticsWarranty Security3C882 Isdn Modem Package Contents Before You Install the 3C882 Isdn ModemIBM PC or Compatible Requirements Apple Macintosh RequirementsIsdn Switch Type Isdn InformationIsdn Information Sheet 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 ModemFront Panel LED Indicator Deﬁnitions As power is supplied to the unitColor Description 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 ConnectionConfiguration for AN IBM-COMPATIBLE PCConﬁguring the 3C882 Isdn Modem for a 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 modemAuto Answer Disabled Autobaud EnabledType 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 555When the 3C882 Isdn modem receives a voice call, Receiving Isdn Data CallsAn example is as follows Atdd 1 908 555 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 LEDsSymptom Possible Cause Solution LED remains lit Properly configured You receive aCannot be sent Upon power up Previous firmware Do not remain Or application software orUsing On-Line Help Finding More Information Contacting Technical SupportDownloading Firmware to Your 3C882 Isdn Modem Following on-line help is availableOrdering Isdn Service Placing the Isdn Order Through 3ComPlacing the Isdn Order Through Your Telephone Company Give the representative the 3C882 Isdn modem Isdn codeTable A-1 Isdn Order Codes Number of Telephone Numbers Package K Package USwitch Circuit-switched DataTelephone company with the information provided Table A-2Switch To order Isdn service for the Northern Telecom DMS Switch, supply the telephone company with the informationProvided in Table A-4 DynamicEwsd Key System Ekts Flexible Call Offering FCO Yes †AT Commands REGISTERS, and Result Codes AT Command SetHost computer default Answer mode only\Q0 disables flow control Hardware flow control defaultSettings AT \S Reset AT Z+++ Enter command state \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 you3ComFacts Automated Fax Service 3ComForum on CompuServeTo use 3ComForum Log on to CompuServe Press Return to see the 3ComForum main menuU.S. and Canada, call 800 876 3266 for customer service Support from Your Network SupplierSupport from 3Com Returning Products for RepairChannel GlossaryAsync-Sync PPP Conversion COM port Isdn LayerPlain old telephone service 120Analog equipment installation 2-6 analog port IndexNumerics Apple macintosh requirements 1-6 Async-Sync PPPData Using AT commands 6-2 voice Registers B-4 Serial cable installationDMS 100 A-5 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