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3Com ISDN Modem Network Card User Manual

1. 9 VDC 6A MAX 1 T Figure 2 3 Back Panel Connectors Table 2 1 Front Panel LED Indicator Definitions LED Color Description PWR Green Power Indicator Lit when power is on and remains lit as long as power is supplied to the unit TEST Green _ Self Test Status Flashes when the 3C882 ISDN modem is executing its power up self test or a user initiated reset If the results of the self test or reset are normal the LED goes off If the result of the self test is abnormal and a fault is detected the LED remains lit but does not flash LED B1 B2 SD RD DTR Color Green Amber or green Amber or green Green Green Green Installing a Serial Cable 2 3 Description D Channel Status Indicates the ISDN physical network interface and D channel status Goes off once the physical and D channel signaling are synchronized Flashes if the physical interface establishes synchronization and the ISDN D channel signaling procedures are not properly established Remains lit if the physical ISDN interface is not synchronized or is disconnected B1 Channel Activity Green indicates a circuit switched data call in progress Amber indicates a circuit switched voice call in progress If a call is in a dialing state the LED flashes When the call is disconnected the LED goes off B2 Channel Activity Green indicates a circuit switched data call in progress Amber indicates a circuit
2. Use the Space Bar to select the 3C882 ISDN modem s COM port When you select the port a default standard interrupt IRQ associated with that port is automatically chosen Press F10 to connect to the 3C882 ISDN modem via the chosen COM port The Configuration screen appears Select the ISDN switch type Your telephone company can provide this information In the Phone 1 field enter the telephone number to which your ISDN modem is connected Enter the corresponding Service Profile Identifier SPID in the SPID 1 field for the telephone number you entered in the previous step You should have received this SPID from your telephone company If you have a second telephone number associated with your ISDN telephone line some telephone companies require two enter the number and corresponding SPID in the Phone 2 and SPID 2 fields Use the Space Bar to select enable or unselect disable the MLPPP Enable box Multilink PPP combines the ISDN B channels creating a virtual single digital connection of up to 128 Kbps Note that the destination you are dialing must also support Multilink PPP or the dual channel link will not occur and you will get a single B channel connection 11 12 13 14 15 Configuration Using DOS D 3 Specify which Phone port should handle the calls associated with telephone number one If you plan to use the 3C882 ISDN modem s analog Phone ports you will want to conf
3. ATCO and then press Enter or Return An AT command line starts with the characters ar The command line accepts up to 40 command characters in the line not including the two AT characters or spaces AT commands may be used to set or change a value as well as to read the status of an existing value by including a Changing the Parameter Settings 5 5 question mark after the particular value For example to read the status of S register 63 you would type AT S63 and then press Enter or Return After completing its tasks the 3C882 ISDN modem sends a message to the screen followed by a result code Refer to Appendix B for a complete list of result codes 5 To change another parameter setting repeat steps 1 through 4 Otherwise go on to Chapter 7 Placing and Receiving Calls Table 5 1 Changing Default Settings Parameter Default Value To Change the Default QuickSelect Enabled S71 0 Send the command ATS71 1 to use Async Sync PPP exclusively or ATS71 2 to use V 120 exclusively DBA Enabled for both Send the command ATS70 0 to disable DBA incoming and outgoing calls S70 3 Auto Answer Disabled SO 0 Send the command ATSO number of rings before the ISDN modem answers the call to enable Auto Answer Compression Enabled C2 Send the command AT CO to disable compression Autobaud Enabled B0 Send the command ATSB rate to set a specific baud rate Acceptable values are 1200 2400 4800
4. ATtention Codes AT commands are used to configure and operate the 3C882 ISDN modem These commands can be sent either automatically or manually through your communications software Automatic baud rate detection Autobaud automatically detects the baud rate of your computer s serial port B channel Bearer channel In ISDN communications a B channel transmits data and voice traffic at a rate of up to 64 Kbps BRI Basic Rate Interface A BRI line is one of two access methods to the ISDN Each BRI consists of two 64 Kbps B channels and one 16 Kbps D channel for each ISDN line Call Drop Call Drop is a supplementary voice feature that allows you to remove the last caller added to a conference Call Routing Call Routing allows you to associate a specific telephone number to a specified analog port 2 GLOSSARY COM port Challenge Handshake Authentication Protocol CHAP is one of two PPP authentication protocols PAP is the other An authentication protocol requests information to verify a valid user CHAP is a stronger authentication method because it uses encryption and may repeatedly request verification of the identity of the user any time after link establishment The communications port also referred to as a serial port The 3C882 ISDN modem communications port allows a maximum baud rate of 230 4 Kbps Note that most computer COM ports only allow a maximum of 115 2 Kbps However accelerator cards can be purchased to incre
5. Figure 4 9 Configuration Dialog Box for Macintosh The Configuration dialog box buttons do the following Update Configuration Click Update Configuration to download parameter changes to your ISDN modem s S registers Update Firmware Refer to the readme file for firmware download instructions Diagnostics Use the Diagnostics tool only under the direction of technical support personnel Quit Click Quit to leave the Configuration dialog box Configuring Multilink PPP Multilink PPP is a protocol that provides a method for combining multiple PPP connections Multilink PPP combines the two ISDN B channels creating a virtual single digital connection of up to 128 Kbps Note that the destination you 4 8 CHAPTER 4 CONFIGURATION FOR AN APPLE MACINTOSH COMPUTER are dialing must also support Multilink PPP or you will get a single B channel connection instead of the dual channel link By default Multilink PPP is enabled To enable or disable Multilink PPP do the following 1 Click the Multilink check box in the PPP area to clear it disable or check it enable 2 Click the Update Configuration button to download the change to your 3C882 ISDN modem S register Additional configuration may be needed for Multilink PPP For details refer to S registers 82 and 83 in Appendix B Note that if you disable Multilink PPP i e Register S80 0 you can still place a Multilink PPP call without changing the S 80 register value
6. FTP Server Add Software NetBEUI Protocal Remote Access Service RPC Configuration Installed Adapter Cards 3 Com Etherlink I Adapter E MetBlOS Interface Add Adapter Configure Description Remote Access Service Figure 3 16 Network Settings Dialog Box 4 From the Installed Network Software list box select Remote Access Service and then click Configure Setup Using Windows NT 3 5 1 RAS 3 19 The Remote Access Setup dialog box appears as shown in Figure 3 17 Remote Access Setup Port Device Type O Disable automatic restoration of network connections at logon Figure 3 17 Remote Access Setup Dialog Box 5 Ifa modem is already configured select it and then click Remove 6 Click Add The Add Port dialog box appears 7 Select a COM port and then click OK The Remote Access Setup message box appears 8 Click Cancel The Configure Port dialog box appears 9 Select 3Com lmpact IQ for baud rates up to 115 2 Kbps and then specify the port usage Click OK The 3C882 ISDN modem allows for transfer rates of up to gt 230 4 Kbps However some computers reguire the installation of additional hardware such as an accelerated serial port card to take advantage of this higher speed Additional configuration steps as well are required Refer to Setup for 230Kbps for instructions The Remote Access Setup dialog box appears 3 20 CHAPTER 3 CONFIGURATION FOR AN IBM COMPATIBL
7. Placing ISDN Data Calls 7 3 circuit switched ISDN modem commands with dial strings are AT D 1 408 654 2703 ATD14086542703 For a summary of the AT command set see Appendix B 4 Press Enter or Return After completing its tasks the 3C882 ISDN modem sends a message to the screen An AT command line starts with the characters AT The gt command line can accept up to 40 command characters in the line not including the two AT characters or spaces Refer to Chapter 5 Changing the Parameter Settings for assistance on AT commands Placing Multilink PPP Calls Before you place a call ensure that the Multilink PPP box on the 3C882 ISDN modem Configuration dialog box is checked The destination you are calling must also support Multilink PPP For example if you are trying to dial into the Internet your Internet service provider must support Multilink PPP in order to successfully place a Multilink PPP call Although this is not generally the case your Internet service provider may require an Endpoint Discriminator Class and an Endpoint Discriminator The Endpoint Discriminator Class is configured using S register 82 The Endpoint Discriminator value is configured using S register 83 Refer to Appendix B for acceptable values For automatic placement of a Multilink PPP call once you have checked the appropriate box in the Configuration dialog box simply launch the call For manual dialing use terminal emulation
8. amp D2 causes ISDN modem to hang up current calls upon on off transition of DTR and prepares serial port to accept AT command at any speed default EO disables the echo of AT commands back to the host computer E1 enables the echo of AT commands to the host computer default Restores all factory default settings Hangs up the current connections displays the model number N displays the five latest incoming and outgoing calls over the data and analog ports NO will clear this information Causes the ISDN modem to go out of command mode into on line mode QO enables the output of result codes default Q1 disables the output of result codes Q2 disables the output of result codes in answer mode only Q0 disables flow control Q1 enables bidirectional XON XOFF software flow control Q3 enables bidirectional RTS CTS hardware flow control default Provides an output list of all S registers Displays serial number of ISDN modem Reads a specific S register setting AT Command Set B 3 Table B 1 AT Command Set Summary continued Command Function Example Description Sn Write configuration register Writes to a specific S register AT S60 64 S Read on line status command Reads the status of any parameters that settings AT S have been modified through AT commands and provides call status information T Link inactivity timer AT T1 TO disables inactivity timer default Tn link
9. versions 2 and 3 Protocols m ANSI V 120 rate adaption m Async Sync PPP feature which automatically converts asynchronous PPP into synchronous HDLC based PPP ISDN m IETF PPP RFC 1661 a IETF Multilink PPP m ISDN Call Logging ISDN Standards and Interface a A complete digital network termination Basic Rate ISDN U interface with built in NT1 m Full ISDN signaling support of National ISDN a Compatible with AT amp T Northern Telecom and Siemens switches 1 4 CHAPTER 1 INTRODUCTION Security m Password Authentication Protocol PAP and Challenge Handshake Authentication Protocol CHAP support on both single channel and Multilink PPP calls IETF RFC 1994 Voice Features a Dynamic bandwidth allocation DBA which allows you to place or receive a voice call while a Multilink PPP call is active m Iwo analog voice ports for attaching analog telephone equipment touch tone or cordless telephones fax and answering machines and analog modems to the ISDN line m Flexible call routing to the two analog ports Upgradability a Flash memory for field firmware updates m Firmware posted on 3Com s ftp and BBS sites Diagnostics m LED status display a Test call compatibility Warranty m 5 year limited warranty 3C882 ISDN Modem Package Contents The 3C882 ISDN modem package contents contains one each m 3Comimpact IQ External ISDN Modem m Power cable with an AC wall transformer m RJ 45 RJ 11 ISDN tele
10. 1 Insert the 3Com mpact IQ Windows Installation Diagnostic Utilities diskette into an available floppy drive 2 If you are using Windows 95 select Run from the Start menu If you are using Windows 3 x select Run from the File menu In the Run dialog box shown in Figure 3 2 type a setup Run HEI Type the name of a program folder or document and Windows will open it for you Oper a setup Cancel Browse Figure 3 2 Run Dialog Box 3 Click OK After the configuration program is copied to the hard disk a welcome screen opens as shown in figure Figure 3 3 Welcome to the 3Comlmpact IQ Setup program This program will install 3Comlmpact IQ on your computer It is strongly recommended that you exit all Windows programs before running this Setup program Click Cancel to quit Setup and then close any programs you have running Click Next to continue with the Setup program WARNING This program is protected by copyright law and international treaties Unauthorized reproduction or distribution of this program or any portion of it may result in severe civil and criminal penalties and will be prosecuted to the maximum extent possible under law i Cancel Figure 3 3 Welcome Screen for PC Configuring the 3C882 ISDN Modem fora PC 3 3 Click Next to continue the installation You will then be prompted to choose the directory in which to install the software If you would like to designate
11. 9600 19200 38400 57600 115200 and 230400 Send the command ATSBO to return to Autobaud Autobaud does not exceed 115200 For 230400 you must send the command AT B230400 to the ISDN modem To access the Configuration dialog box the baud rate must be set to Autobaud 5 6 CHAPTER 5 ADVANCED CONFIGURATION 6 SUPPLEMENTARY VOICE FEATURES Supplementary Voice Features gt This chapter provides an overview of the supplementary voice features which are available for the 3C882 ISDN Modem These voice features are as follows Call Forwarding ISDN Call Waiting Call Conference 3 Way Calling Call Transfer To use Call Conference as well as Call Transfer your ISDN line must support Flexible Calling To use ISDN Call Waiting your ISDN line must support Additional Call Offering ACO Check with your telephone company to determine whether or not these services are supported Note that there may be an extra charge to support these features Refer to Chapter A Ordering ISDN Service for additional information In some cases your telephone company may enable supplementary voice features service on your first telephone number only You may need to specifically request that these services be enabled on your second telephone number as well Call Forwarding The ISDN modem passively supports Call Forwarding If you subscribe to this service which you must order separately from your telephone company you c
12. ACO Note that you may need to specifically request ACO which allows for ISDN Call Waiting and incoming DBA Some telephone companies may choose to implement ISDN line provisioning uniquely Therefore some of the Supplementary Voice features may not be available for use with all telephone companies Refer to What Do I Need To Support Supplementary Voice Features on page A 3 or check with your telephone company for more information 4 Specify the optional Supplementary Voice Features that you would like to utilize on your ISDN line To take full advantage of the 3C882 ISDN modem you need to add Flexible Calling FCO features 3 Way Calling Call Conference Call Transfer Hold and Drop Caller ID which is necessary to utilize the Call Logging feature and the Call Forwarding variable which enables Call Forwarding You may also choose to order only those specific services that best fit your needs Note that there may be an additional charge when adding each service to your ISDN line What Do I Need To Support Supplementary Voice Features A 3 Some telephone companies may choose to refer to the Flexible Calling features by unique terminology Refer to What Do Need To Support Supplementary Voice Features on page A 3 for more information additionally Chapter 6 Supplementary Voice Features provides a thorough explanation of each voice feature 5 Ask the representative which ISDN switch type your ISDN line
13. Call Waiting 6 2 Voice Services Drop 6 4 W warranty 1 4 Windows 95 Plug and Play setup 3 15 Windows NT 3 5 1 3 17 Windows NT 4 0 3 20 LIMITED WARRANTY HARDWARE 3Com warrants its hardware products to be free from defects in workmanship and materials under normal use and service for the following lengths of time from the date of purchase from 3Com or its Authorized Reseller Internetworking products One year Network adapters Lifetime Ethernet stackable hubs and unmanaged Ethernet fixed port repeaters Lifetime One year if not registered Power supply and fans in these stackable hubs and unmanaged repeaters One year Other hardware products One year Spare parts and spares kits 90 days If a product does not operate as warranted above during the applicable warranty period 3Com shall at its option and expense repair the defective product or part deliver to Customer an equivalent product or part to replace the defective item or refund to Customer the purchase price paid for the defective product All products that are replaced will become the property of 3Com Replacement products may be new or reconditioned Any replaced or repaired product or part has a ninety 90 day warranty or the remainder of the initial warranty period whichever is longer 3Com shall not be responsible for any software firmware information or memory data of Customer contained in stored on or integrated with any products returned to 3Com for re
14. Installing the ISDN Cable 2 5 Installing Analog Equipment 2 5 Installing the Power Cable 2 7 CONFIGURATION FOR AN IBM COMPATIBLE PC Configuring the 3C882 ISDN Modem foraPC 3 1 Installing the 3C882 Software 3 2 Running the SPID Wizard 3 3 Running the SPID Wizard Again 3 8 Configuring Multilink PPP 3 9 Configuring the B Channel Rate 3 10 Configuring Voice Call Routing 3 10 Verifying the Configuration 3 13 Setup Using Windows 95 3 15 Setup Using Windows NT 3 5 1 RAS 3 17 Setup for Windows NT 4 0 3 20 Configure Dial Up Networking 3 23 Dial Up Networking for Windows 95 3 23 To configure Dial Up Networking manually 3 23 Running the Internet Set Up Wizard 3 24 Dial up Networking for Windows NT 4 0 3 26 Setup for 230Kbps 3 30 Setting up 230K for Windows NT 3 5 1 3 30 Setting up 230K for Windows 95 and Windows NT 4 0 3 31 CONFIGURATION FOR AN APPLE MACINTOSH COMPUTER Configuring the 3C882 ISDN Modem for a Macintosh Computer 4 1 Installing the 3C882 Software 4 2 Running the SPIDWizard 4 3 Configuring Multilink PPP 4 7 Configuring the B Channel Rate 4 8 Configuring Voice Call Routing 4 9 Two Telephone Numbers and Two Analog Devices 4 10 Verifying the Configuration 4 11 Configuring Internet Access for a Macintosh Computer 4 12 Set Up Using OT PPP and Open Transport 4 12 Set Up Using FreePPP with Open Transport 4 16 ADVANCED CONFIGURATION Advanced Configuration Parameter Default Values 5 1 Changing the Parameter Settings 5 4 SUPPLEMENT
15. V 120 is used for communication between two computers whereas PPP is used for communication between a computer and an Internet service provider Dynamic Bandwidth Allocation DBA S70 3 by default is a method of automatically reallocating bandwidth to allow you to place or receive a voice call while a Multilink PPP call is active i e both B channels are in use In this situation when you lift the handset to place an outgoing call or to answer an incoming call one of the B channels is temporarily removed from the Multilink PPP call and is used for the voice call Once the voice call ends that B channel is automatically returned to the Multilink PPP call Although throughput is reduced to one channel while the voice call is active the integrity of the Multilink PPP call is maintained If you are on the receiving end of a Multilink PPP call i e gt someone has dialed into your 3C882 ISDN modem and you place a voice call one of the B channels will still be allocated for the new voice call However once the voice call ends that B channel cannot be returned to the incoming Multilink PPP call The B channel can only be returned to the Multilink PPP call for outgoing Multilink PPP calls Outgoing DBA takes precedence over incoming DBA For example during a Multilink PPP call you receive an incoming voice call over Phone port 1 You may however prefer to place an outgoing call over Phone port 2 and ignore the incoming cal
16. 2 Phone 2 to Phone port 1 or 2 ISDN Call Logging for Voice Calls for Phone Port 1 Displays the phone number of an incoming voice call over phone port 1 This field is read only To use this feature you must have Caller ID enabled on your ISDN line ISDN Call Logging for Voice Calls for Phone Port 2 Displays the phone number of an incoming voice call over phone port 2 This field is read only To use this feature you must have Caller ID enabled on your ISDN line ISDN Call Logging for Data Calls Displays the phone number of an incoming data call This field is read only To use this feature you must have Caller ID enabled on your ISDN line S Registers B 7 Table B 2 S Registers continued Registers Descriptions S70 Dynamic Bandwidth Allocation DBA 0 DBA disabled 1 DBA enabled for outgoing calls only 2 DBA enabled for incoming calls only 3 Enabled for both incoming and outgoing calls default S71 B Channel Protocol 0 QuickSelect default 1 Async Sync PPP conversion 2 V 120 S73 V 120 Frame Type 0 frame default 1 Ul frame S74 V 120 Maximum Frame Size range 240 256 256 Maximum frame size of 256 default 248 Maximum frame size of 248 for AdTran compatibility use 253 S75 Connection Delay Specifies whether the ISDN modem immediately answers a call or waits 2 seconds to answer If you are using Windows NT use the two second delay 0 No delay
17. 2 APPENDIX C SPECIFICATIONS RS 232 COM Port Pin Specifications The asynchronous RS 232 D COM port on the 3C882 ISDN modem labeled RS 232 is a standard DB 25 female connector The 3C882 ISDN modem asynchronous port pin assignments shown in Table C 1 conform to standard definitions for data communications equipment DCE Table C 1 Pin Descriptions Pin Pin Name Signal Direction 1 Shield Ground GND 2 Send Data SD To ISDN modem 3 Receive Data RD From ISDN modem 4 Request to Send RTS To ISDN modem 5 Clear to Send CTS From ISDN modem 6 Data Set Ready DSR From ISDN modem J Signal Ground GND 8 Carrier Detect DCD From ISDN modem 18 Local Loopback From ISDN modem 20 Data Terminal Ready To ISDN modem DTR 21 Remote Loopback To ISDN modem 22 Ring Indicator RI From ISDN modem PC Serial Cable Pin Specifications C 3 PC Serial Cable Pin Specifications The DB 25 male to DB 9 female pin assignments for the PC serial cable are provided in Table C 2 Table C 2 PC COM Port Cable Pin Assignments DB9 Pin Pin Name DB25 Pin 1 Data Carrier Detect DCD 8 2 Receive Data RD 3 3 Send Data SD 2 4 Data Terminal Ready DTR 20 5 Signal Ground GND 7 6 Data Set Ready DSR 6 7 Request to Send RTS 4 8 Clear to Send CTS 5 9 Ring Indicator RI 22 Shield 1 Macintosh Serial Cable Pin Specifications The DB 25 male to 8 pin DIN male pin assignments for the Macintosh serial cable are p
18. 255 ISDN Switch Signaling Type 0 Unknown default 1 AT amp T 5ESS Custom 3 NI1 AT amp T 5ESS 6 NI1 NTI DMS 100 or Siemens EWSD Phone 1 Phone 1 Service Profile ID SPID Phone 2 if required by your carrier Phone 2 Service Profile ID SPID if required by your carrier Terminal Endpoint Identifier 1 Stores the first TEI assigned by the switch A value of 255 indicates no TEI has been assigned This field is read only Terminal Endpoint Identifier 2 Stores the second TEI assigned by the switch if a second directory number is required by your carrier A value of 255 indicates no TEI has been assigned This field is read only Terminal Initialization State Indicates the status of the first TEI using SPID 1 This field is read only 0 ISDN modem has not attempted initialization 1 ISDN modem has initialized successfully using SPID 1 2 ISDN modem has failed initialization using SPID 1 S Registers B 5 Table B 2 S Registers continued Registers Descriptions 58 Terminal Initialization State Indicates the status of the second TEI using SPID 2 This information is provided only if your carrier requires a second directory number This field is read only 0 ISDN modem has not attempted initialization 1 ISDN modem has initialized successfully using SPID 2 2 ISDN modem has failed initialization using SPID 2 59 U Interface Status This field is read only 0 ISDN U i
19. 4 8 appears 4Comimpact 10 SPID Wizard SPID 1 configured successfully If you need to configure the second phone number please enter its area code plus digits below and click Neut Figure 4 8 Second Telephone Screen for Macintosh 5 If you have a second telephone number for your ISDN line enter it and click Next If not leave the field incomplete and then click Done If you entered a second telephone number for your ISDN line the SPID for the second telephone number is configured A message box indicates that the configuration was successful 6 Click Done The on line registration dialog box appears Click Register and enter your information When complete click Register Now Configuring the 3C882 ISDN Modem for a Macintosh Computer 4 7 After your information has been sent the Configuration dialog box appears as shown in Figure 4 9 3ComIimpact 10 Installer 3 0 3 Telephone Company Switch Firmware Switch Type HIT AT amp T SESS T Version 3 10 Number 1 Telephone Number 9085551212 B Channel Rate Service Profile Identifier SPID 90855512120010 56 Kbps 64Kb Route Voice Calls to Ex Phone Port 1 Phone Port 2 0 i 3 Toll Mizer Telephone Number 9065551214 PPP Service Profile Identifier SPID 90855512140101 Route Yoice Calls to C Phone Porti E Phone Port 2 E Multilink Update Configuration Update Firmware LAYER 1 Up SPID 1 Init TEI 1 O80 SPID 2 Init TEI 2 089
20. 7 8 CHAPTER 7 PLACING AND RECEIVING CALLS This information is cleared upon restarting or power cycling the unit To clear the Call Logging information manually use terminal emulation software to enter the command AT NO Troubleshooting What if no information is displayed If you enter AT N but the Call Logging information is not displayed you may not have Caller ID provisioned on your ISDN line If you would like to use the Call Logging feature contact your telephone company and have them enable Caller ID Note that there may be an additional charge to add this service TROUBLESHOOTING This chapter explains how to isolate and solve problems encountered with the 3C882 ISDN modem Problems may stem from incorrect option settings or improper installation Your ISDN line provisioning may also affect your 3C882 ISDN modem s performance Refer to Chapter A Ordering ISDN Service for assistance This chapter covers the following main topics Checking the basics Monitoring the LEDs Evaluating symptoms and solutions Identifying error codes Using on line help Finding more information Contacting technical support Downloading firmware Microkey driver error codes Restoring the modem to Autobaud There are no user serviceable parts inside your 3C882 ISDN modem Unauthorized opening of the unit will void the warranty 8 2 CHAPTER 8 TROUBLESHOOTING Checking the Basics Before you monitor the LEDs or refer to
21. 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 3Com mpact is a trademark 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 Artien
22. C F R 52 227 19 and the limitations set forth in 3Com s standard commercial agreement for the Software Unpublished rights reserved under the copyright laws of the United States TERM AND TERMINATION This license will expire fifty 50 years from the date that you open the package if it is not earlier terminated You may terminate it at any time by destroying the Software and documentation together with all copies and merged portions in any form It will also terminate immediately if you fail to comply with any term or condition of this License Agreement Upon such termination you agree to destroy the Software and documentation together with all copies and merged portions in any form GOVERNING LAW This License Agreement shall be governed by the laws of the State of California as such laws are applied to agreements entered into and to be performed entirely within California between California residents and by the laws of the United States You agree that the United Nations Convention on Contracts for the International Sale of Goods 1980 is hereby excluded LIMITED WARRANTY LIMITATION OF LIABILITY All warranties and limitations of liability applicable to the Software are as stated on the Limited Warranty Card or in the product manual accompanying the Software Such warranties and limitations of liability are incorporated herein in their entirety by this reference SEVERABILITY In the event any provision of this License Agreement is found to
23. COM port LEDs flash when rate is set to 230 4 Kbps or to supports 230 4 Kbps or change the the D channel a fixed rate i e Autobaud is COM port setting of either your lights disabled computer or the ISDN modem so that both devices are set to the same COM port rate Cannot place or Your ISDN line has not been Check your ISDN line provisioning receive two provisioned for simultaneous Ensure that simultaneous voice and simultaneous calls voice and data data has been provisioned for both directory numbers DTR LED does not Communication between the Verify that the 3C882 ISDN modem is remain lit after you ISDN modem and your PC has powered on have started your not been successfully Verify that the COM port cable is communication established firmly connected to the COM port on application your PC and the COM port on the 3C882 ISDN modem Verify that the correct COM port the one to which the 3C882 ISDN modem is connected is selected in your communications application Continued Table 8 1 Symptoms Causes and Solutions Symptom ISDN Call Waiting does not work Cannot place a call when a Multilink PPP call is active DBA Cannot receive an incoming voice call during a Multilink PPP session Possible Cause ISDN Call Waiting is disabled Your ISDN line is not provisioned for ISDN Call Waiting DBA is not enabled DBA is not provisioned on your ISDN line Solution ISDN Call waiting is disab
24. IQ program group From the 3C882 Configuration dialog box for Windows click the Help button for information about the Configuration dialog box For the Macintosh on line help may be accessed by clicking the question mark icon in the main menu bar and then selecting the 3Com lmpact IQ Help Finding More Information For more information about the 3C882 ISDN modem such as frequently asked questions and specific technical notes refer to the enclosed Technical Support card for contact information use 3Com s fax service 1 408 727 7021 in the U S or visit 3Com s World Wide Web site at http www 3Com com Downloading Firmware to Your 3C882 ISDN Modem Your 3C882 ISDN modem has been uniquely designed to be user upgradable The latest firmware for your 3C882 ISDN modem is available on 3Com s ftp site fto 3Com com Refer to your readme file for instructions concerning downloading firmware A gt ORDERING ISDN SERVICE This appendix describes how to order ISDN service If you are ordering ISDN for the first time you may either have 3Com order ISDN service for you free of charge or you may choose to call your telephone company and order ISDN yourself ISDN line provisioning information is subject to change Visit 3Com s World Wide Web site http www 3com com for the latest information Placing the ISDN Order Through 3Com Simply call 1 800 572 3Com to have your ISDN line ordered for you 3Com s Super
25. In the dial string enter the first telephone number then the ampersand character followed by the second telephone number For example ATD 908 555 1212 amp 908 555 1213 Configuring the B Channel Rate Specify the B channel rate as 56 Kbps 64 Kbps or select TollMizer if you would like to use that feature TollMizer allows you to place a 56 Kbps data call using a voice channel which is often less expensive Note that the device you are calling must also support TollMizer sometimes referred to as Switch 56 Permissive or Data Over Voice to take advantage of this feature By default the B channel rate is 56 Kops Check with your telephone company for the appropriate B channel rate To change the connection speed to 64 Kbps or TollMizer do the following 1 Select the appropriate radio button 64 Kbps or TollMizer 2 Click the Update button to download the change to your 3C882 ISDN modems S register Configuring the 3C882 ISDN Modem fora Macintosh Computer 4 9 Configuring Voice Call Routing The 3C882 ISDN modem allows you to assign a specific telephone number to a specified analog phone port By default telephone number 1 is assigned to phone port one and telephone number 2 is assigned to phone port two as shown in Figure 4 10 This is especially helpful should you have both a telephone and a fax machine connected to your 3C882 ISDN modem s analog ports Telephone Number 9085551212 Service Profile Identifier S
26. PLACING AND RECEIVING CALLS gt If Auto Answer is enabled the call is automatically answered and a CONNECT message indicating the speed of the connection is delivered to the RS 232 port When the 3C882 ISDN modem receives a voice call the B channel LED s flash green and then remain lit once the call is answered If you are running Multilink PPP both B channels flash and then remain lit A flashing LED s indicate that the receiving end has not yet answered the call Placing Voice Calls Using an Analog Phone Port gt To place an outgoing call simply take the telephone handset or external fax machine off the hook wait for a dial tone and dial the destination telephone number When you place a voice call a B channel LED flashes amber and then remains lit once the call is established A flashing LED s indicate that the receiving end has not yet answered the call Receiving Voice Calls Using an Analog Phone Port By default incoming calls to ISDN telephone number 1 will ring devices connected to phone port one while calls to ISDN telephone number 2 will ring devices connected to phone port two When the 3C882 ISDN modem receives a voice call a B channel LED flashes amber and then remains lit once the call is answered During a Multilink PPP session the B channel LED will remain green until the call is answered ISDN Call Logging 7 7 Troubleshooting If both ports are busy and Call Waiting ha
27. SPID number s you should indicate the switch type and SPID s if any were assigned You may need to refer to this information for technical support If necessary ask your telephone company ISDN representative for the ISDN information ISDN Information Sheet 3Comlmpact IQ ISDN Modem ISDN Switch Type AT amp T 5ESS NI1 AT amp T 5ESS Custom Northern Telecom DMS 100 Siemens EWSD nn Number of Telephone Numbers 1 or 2 Phone 1 SPID for Phone 1 Phone 2 SPID for Phone 2 Figure 1 2 ISDN Information Sheet ISDN Switch Type Place a check mark next to the ISDN switch your telephone company uses Each switch type has a corresponding provisioning table in Appendix A Number of ISDN Telephone Numbers Your one ISDN telephone line can support two ISDN telephone numbers If 1 8 CHAPTER 1 INTRODUCTION you ordered one ISDN telephone number write 1 If you ordered two ISDN telephone numbers write 2 Ordering two ISDN telephone numbers allows you to conduct two simultaneous calls on both analog phone ports ISDN Telephone Number 1 Write down your ISDN telephone number provided to you by the telephone company ISDN representative ISDN Telephone Number 2 Write the second ISDN phone number if you ordered two ISDN telephone numbers for your line SPID Number If required by your telephone company fill in the SPID number for each ISDN phone number Your telephone company can tell you whether a SPI
28. Screen 2 Select the port to which the 3C882 ISDN modem is connected and then click OK The SPID Wizard start screen appears as shown in Figure 4 6 43Comimpact 10 SPIO Wizard This Wizard will help you quickly configure 4ComIimpact 10 ISDN modem Please make sure your modem is connected to an ISON line and click Next Figure 4 6 SPID Wizard Start Screen If you do not want to run the SPID Wizard click Cancel to configure your values manually via the configuration dialog box see Figure 4 9 Once there you can select your ISDN switch type enter the telephone number s and if required enter the corresponding SPID s for your ISDN line Note that Configuring the 3C882 ISDN Modem for a Macintosh Computer 4 5 the SPID Wizard is the recommended method for configuring your SPID values 3 Click Next The SPID Wizard first checks for ISDN layer 1status and then configures the switch type After the switch type is configured the First Telephone Number dialog box appears as shown in Figure 4 7 4ComIimpact 10 SPIO Wizard Please enter your first telephone number Please enter area code plus digits and click Next 9065551212 Cancel Figure 4 7 First Telephone Number Screen for Macintosh 4 Enter the first telephone number for your ISDN line and then click Next 4 6 CHAPTER 4 CONFIGURATION FOR AN APPLE MACINTOSH COMPUTER After the SPID Wizard configures the SPID for the first telephone number Figure
29. Troubleshooting 8 7 E environmental operating range C 1 F front panel components 2 2 LED indicator definitions 2 2 installation 2 1 analog equipment 2 5 Apple Macintosh configuring Multilink PPP 4 7 configuring the B channel rate 4 8 configuring voice call routing 4 9 running the SPID Wizard 4 3 software 4 2 verifying the configuration 4 11 general steps 2 1 IBM compatible PC configuring Multilink PPP 3 9 configuring the B channel rate 3 10 configuring voice call routing 3 10 running the SPID Wizard 3 3 software 3 2 verifying the configuration 3 13 ISDN cable 2 5 power cable 2 7 serial cable 2 3 Windows 95 setup 3 15 Windows NT 3 5 1 RAS setup 3 17 Windows NT 4 0 setup 3 20 Internet Setup Wizard 3 24 ISDN 1 1 Information Sheet 1 7 ordering service for AT amp T 5ESS Custom A 6 for AT amp T SESS NI1 A 5 for Northern Telecom DMS 100 A 7 for Siemens EWSD A 8 placing data calls 7 1 receiving data calls 7 5 ISDN cable installation 2 5 ISDN Call Logging 7 7 L LEDs B1 channel 2 3 B2 channel 2 3 D channel 2 3 Data Terminal Ready 2 3 description 2 2 monitoring 8 2 Power 2 2 Receive Data 2 3 Self Test Status 2 2 Send Data 2 3 M Macintosh Configuring Internet Access 4 12 Macintosh requirements 1 6 Microkey error codes 8 8 Multilink PPP configuration for DOS D 2 configuration for Macintosh 4 7 configuration for Windows 3 9 placing a call 7 3 N network interface C 1 Northern Telecom DMS 1
30. a directory other than the default directory click Browse to do so Otherwise click Next to install the 3ComImpact IQ into the default directory If you are running Windows 3 x a message box appears and asks you whether you want to install a Microkey COM port enhancement driver for data transfer rates up to 115 2 Kbps This driver will replace your existing COM port driver If you receive the following message during the Microkey installation procedure ERROR DURING INSTALLATION ERROR CODE XX please record the error code shown as xx above and refer to on page 8 7 for an explanation of the error code and the corrective action to take After the setup program has completed installation you are asked to view the Readme file Click Yes to review this file You may choose File and Print to create a hardcopy of the Readme Otherwise read the file and exit A message box confirms that the installation is complete Click OK to complete the installation Running the SPID Wizard gt The SPID Wizard automatically detects your telephone company s switch type and configures the SPID s You will need the ISDN telephone numbers from the ISDN Information Sheet you completed in Chapter 1 3 4 CHAPTER 3 CONFIGURATION FOR AN IBM COMPATIBLE PC RUNNING WINDOWS 1 Double click the 3Comimpact IQ icon shown in Figure 3 4 Corl mpact F Figure 3 4 3Comlmpact IQ Globe Icon You will see a start message as shown in Figur
31. are connected to a live digital ISDN line the D channel LED remains lit for a few minutes after the self test and then begins to flash When the D channel LED flashes it indicates that the ISDN signal is present and it is attempting to synchronize with the telephone company When the D channel LED goes out it indicates that a valid communication channel has been established and you can place calls If the D channel LED does not go out refer to the Evaluating Symptoms and Solutions section Monitoring the B Channel LEDs Attempt to place a call and observe the B channel LED s The B1 and B2 LEDs flash amber for a voice call or green for a data call during the call establishment phase They then remain continuously amber or green once the connection is established If they do not remain continuously amber or green refer to the Evaluating Symptoms and Solutions section below Monitoring the SD LED When flashing the Send Data LED indicates that information is being transmitted over the serial data port from the computer to the 3C882 ISDN Modem If this LED flashes and yet you are not able to communicate with the ISDN modem you may be attempting to communicate at incompatible baud rates Refer to Restoring the 3C882 ISDN Modem to Autobaud below Monitoring the RD LED When flashing the Receive Data LED indicates that information is being transmitted over the serial data port to the computer from the 3C882 ISDN mod
32. inactivity timer in minutes The ISDN modem automatically disconnects the call if no activity is sensed within n n 0 255 minutes V Result code format AT VO VO enables short form result codes V1 enables long form result codes default V Show version number AT V Displays ISDN modem firmware version W Displays connection speed WO displays COM port rate only default W1 displays COM port and ISDN data rate W2 displays ISDN data rate only amp W Stores configuration AT amp W Stores the configuration of all S registers that are not part of the ISDN modem initial configuration set Z Reset AT Z Disconnects all calls in progress and performs a complete ISDN modem system reset Enter command state Causes ISDN modem to enter the command state if it is currently in the on line state To access the Configuration dialog box the baud rate must be set to Autobaud APPENDIX B AT COMMANDS S REGISTERS AND RESULT CODES S Registers Table B 2 provides a complete list and descriptions of the S registers supported by the 3C882 ISDN modem All S registers except SO are the 3Com extended registers S registers notated with an asterisk are stored in nonvolatile memory and will not be cleared or returned to the default value if the ISDN modem is powered down Table B 2 S Registers Registers SO S50 S56 S57 Descriptions Auto Answer 0 Disabled default X Number of rings before auto answer 1
33. party to an existing call Call Drop Flexible Calling FCO or Call Drop Allows you to remove the last caller added to a conference Call Forwarding Call Forwarding Variable Allows you to transfer an existing call to another telephone number Call Transfer Flexible Calling FCO or Call Transfer Allows you to forward calls to a third party Call Logging Caller ID Allows you to view a list of all incoming and outgoing telephone numbers Conventional or analog Caller ID which requires an external device to monitor incoming calls is not supported by the 3C882 ISDN modem However you must have Caller ID enabled on your ISDN line to utilize the Call Logging feature ISDN Line Parameter Tables Some telephone companies do not recognize ISDN Ordering Codes In this case simply determine the switch type for your ISDN line by asking your ISDN representative and photocopy and fax the appropriate table on the following pages directly to your telephone company AT amp T 5ESS Switch NI1 ISDN Line Parameter Tables A 5 To order ISDN service for the AT amp T 5ESS switch supply the telephone company with the information provided in Table A 2 Table A 2 Line Configuration for AT amp T 5ESS NI1 Required Information Line Type Line Code Interface Type Directory Numbers Maximum Terminals Maximum B Channels Actual User Circuit Switched Voice Circuit Switched Voice Channel Circuit Switched Data Circuit Swi
34. safety requirements The Department does not guarantee the equipment will operate to the users satisfaction Before installing this equipment users should ensure that is permissible to be connected to the facilities of the local telecommunications company The equipment must also be installed using an acceptable method of connection In some cases the inside wiring associated with a single line individual service may be extended by means of a certified connector assembly The customer should be aware that compliance with the above conditions may not prevent degradation of service in some situations Repairs to certified equipment should be made by an authorized Canadian maintenance facility designated by the supplier Any repairs or alterations made by the user to this equipment or equipment malfunctions may give the telecommunications company cause to request the user to disconnect the equipment Users should ensure for their own protection that the electrical ground connections of the power utility telephone lines and internal metallic water pipe system if present are connected together This precaution may be particularly important in rural areas CAUTION Users should not attempt to make electrical ground connections by themselves but should contact the appropriate inspection authority or an electrician as appropriate
35. software and type the following 7 4 CHAPTER 7 PLACING AND RECEIVING CALLS ATD lt telephone number gt An example is as follows AID 1 908 555 1212 Some Internet service providers may require you to dial two telephone numbers to place a Multilink PPP call In this case the ampersand amp character is used to dial two telephone numbers To automatically dial two telephone numbers add the following to the dial string of your application software lt telephone number 1 gt amp lt telephone number 2 gt In this case you would type for example ATD 1 908 555 1212 amp 1 908 555 1213 Note that if Multilink PPP is disabled i e S 80 0 you can still place a Multilink PPP call without changing the S 80 register value In the dial string enter the first telephone number then the ampersand character followed by the second telephone number as shown in the example above Placing a TollMizer Call The TollMizer feature also referred to as Switch 56 Permissive or Data Over Voice allows you to place a data call using a voice channel saving the extra cost of the data channel Combining TollMizer with 3ComImpact IQ compression you can transfer up to 128 Kbps of data for the price of a single voice call TollMizer calls may not work properly if placed via long gt distance carriers You can select this feature from the 3C882 ISDN modem s Configuration dialog box Once enabled all outgoing ISDN calls will be TollMize
36. then go on to Chapter 7 Placing and Receiving Calls 3 34 CHAPTER 3 CONFIGURATION FOR AN IBM COMPATIBLE PC RUNNING WINDOWS CONFIGURATION FOR AN 4 APPLE MACINTOSH ee COMPUTER This chapter describes the configuration for the 3C882 ISDN modem for use with an Apple Macintosh computer Main topics covered are mw Configuring the 3C882 ISDN modem m Configuring Internet access for a Macintosh computer You will need the ISDN telephone numbers from the ISDN D gt Information Sheet you completed in Chapter 1 Configuring the 3C882 ISDN Modem for a Macintosh Computer The main steps are shown in Figure 4 1 Install 3C882 software Run SPID Wizard S Configure Multilink PPP B channel rate amp voice call routing Verify configuration Figure 4 1 3C882 Configuration Steps for a Macintosh 4 2 CHAPTER 4 CONFIGURATION FOR AN APPLE MACINTOSH COMPUTER Installing the 3C882 Software To install the 3C882 ISDN modem software in an Apple Macintosh computer 1 Insert the 3Com mpact IQ Installer Diagnostic Utilities software utility diskette into the floppy drive and then double click the 3Com mpact IQ Installer icon A message box appears as shown in Figure 4 2 3Comimpact IQ Figure 4 2 Installation Message Box 2 Click Continue The Readme file opens You can choose to review the document or print the flle 3 Click Continue to install the software The Software Installation Location dialog box o
37. 00 switch A 7 NT1 1 3 2 5 O ordering ISDN service for AT amp T 5ESS Custom A 6 for AT amp T 5ESS NI1 A 5 for Northern Telecom DMS 100 A 7 for Siemens EWSD A 8 P package contents 1 4 parameter settings changing 5 4 Password Authentication Protocol PAP 1 4 PC requirements 1 6 Phone port 2 5 3 10 4 9 physical dimensions C 1 placing calls 7 1 data 7 1 using AT commands 7 2 using TollMizer 7 4 voice 7 6 Plug and Play setup with Windows 95 3 15 power cable connection 2 7 Power LED 2 2 power requirements C 1 PPP protocol 1 2 Q QuickSelect 1 2 5 2 R RD LED monitoring 8 3 Receive Data LED 2 3 Receive Date RD LED 8 3 receiving calls data 7 5 voice 7 6 requirements Apple Macintosh computer 1 6 IBM or compatible PC 1 6 result codes B 9 ringer equivalence number C 1 S S registers B 4 Self Test Status LED 2 2 Send Data SD LED monitoring 8 3 Send Data LED 2 3 serial cable installation 2 3 serial port 1 3 connection for Macintosh 2 4 connection for PC 2 4 Siemens EWSD switch A 8 specifications C 1 SPID Wizard 4 3 Switch 56 Permissive See TollMizer switch type A 5 to A 8 T Test LED 8 2 8 4 TollMizer 7 4 placing acall 7 4 troubleshooting 8 1 checking the basics 8 2 evaluating symptoms and solutions 8 4 Microkey error codes 8 8 monitoring LEDs 8 2 V V 120 protocol 1 2 voice calls placing 7 6 receiving 7 6 Voice Features Call Conference 6 3 Call Drop 6 4 Call Forwarding 6 1 Call Transfer 6 4
38. 3C882 ISDN Modem to Autobaud on page 8 9 for assistance 3 Save this setting by entering AT amp w and press return Next you must install the 230K driver to take advantage of the speed increase Setup for 230Kbps 3 31 From the Main menu select Control Panel then select Network The Network Settings dialog box appears Click Configure The Remote Access Setup dialog box appears Click Configure Select 3Com lmpact IQ 230K Click OK Change the setting of your application program to 230400 bps This completes the procedure to change the baud rate to 230 4 Kbps for Windows NT 3 5 1 Refer to Chapter 5 Advanced Configuration to review the default settings and ensure that they reflect your preferences If you prefer not to change the default settings then go on to Chapter 7 Placing and Receiving Calls Setting up 230K for Windows 95 and Windows NT 4 0 gt These instructions require prior installation of the impact inf driver which is installed as part of the initial setup procedure Refer to Setup Using Windows 95 or Setup for Windows NT 4 0 earlier in this chapter for assistance Ensure that your computer s COM port and communications software support 230 4 Kbps For instructions on sending AT commands refer to the section Changing the Parameter Settings on page 5 4 Using terminal emulation software such as HyperTerminal send the command aT B 230400 to the 3 32 CHAPTER 3
39. ARY VOICE FEATURES Supplementary Voice Features 6 1 Call Forwarding 6 1 ISDN Call Waiting 6 2 Call Conference 6 3 CallDrop 6 4 CallTransfer 6 4 ISDN Service from Pacific Bell 6 5 PLACING AND RECEIVING CALLS Placing ISDN Data Calls 7 1 Placing Calls Automatically 7 2 Placing Calls Manually 7 2 Placing Multilink PPP Calls 7 3 Placing a TollMizer Call 7 4 Receiving ISDN Data Calls 7 5 Placing Voice Calls Using an Analog Phone Port 7 6 Receiving Voice Calls Using an Analog Phone Port 7 6 ISDN Call Logging 7 7 TROUBLESHOOTING Checking the Basics 8 2 Monitoring LEDs 8 2 Monitoring the TEST LED 8 2 Monitoring the D Channel LED 8 3 Monitoring the B Channel LEDs 8 3 Monitoring the SD LED 8 3 Monitoring the RD LED 8 3 Monitoring the DTRLED 8 4 Evaluating Symptoms and Solutions 8 4 Microkey Error Codes 8 8 Restoring the 3C882 ISDN Modem to Autobaud 8 9 Using On Line Help 8 10 Finding More Information 8 10 Downloading Firmware to Your 3C882 ISDN Modem 8 10 ORDERING ISDN SERVICE Placing the ISDN Order Through 3Com A 1 Placing the ISDN Order Through Your Telephone Company A 1 What Do Need To Support Supplementary Voice Features A 3 ISDN Line Parameter Tables A 4 AT amp T 5ESS Switch NI1 A 5 AT amp T 5ESS Custom Switch A 6 NorthernTelecomDMS 100 Switch A 7 Siemens EWSD Switch A 8 AT COMMANDS S REGISTERS AND RESULT CODES AT Command Set B 1 S Registers B 4 Result Codes B 9 SPECIFICATIONS 3C882 ISDN Modem Specificatio
40. CONFIGURATION FOR AN IBM COMPATIBLE PC RUNNING WINDOWS 10 11 3C882 ISDN modem This will set the baud rate to 230 4 Kbps Once the baud rate is set to a fixed amount you will no longer be able to access the Configuration dialog box to make changes Refer to Restoring the 3C882 ISDN Modem to Autobaud on page 8 9 for assistance Save this setting by entering ATsw and press return Next you must install the 230K driver to take advantage of the higher baud rate From the Control Panel dialog box double click the Modems icon The Modems Properties dialog box appears Click Add The Install New Modem dialog box appears Check the box to prevent automatic detection of the 3ComImpact IQ ISDN modem and click Next The dialog box listing modem manufacturers and modem models appears From the Manufacturers list box select 3COM and from the Models list box select 3Com lmpact IQ 230K Click Next Select the appropriate COM port and click Next A dialog box indicates successful setup Click Finish Be sure to change the setting of your application program such as Dial Up Networking for Windows 95 to 230400 bps Setup for 230Kbps 3 33 This completes the procedure to change the baud rate to 230 4 Kops for Windows 95 and Windows NT 4 0 Refer to Chapter 5 Advanced Configuration to review the default settings and ensure that they reflect your preferences If you prefer not to change the default settings
41. CTION WITH THE SALE INSTALLATION MAINTENANCE OR USE OF ITS PRODUCTS 3COM SHALL NOT BE LIABLE UNDER THIS WARRANTY IF ITS TESTING AND EXAMINATION DISCLOSE THAT THE ALLEGED DEFECT IN THE PRODUCT DOES NOT EXIST OR WAS CAUSED BY CUSTOMER S OR ANY THIRD PERSON S MISUSE NEGLECT IMPROPER INSTALLATION OR TESTING UNAUTHORIZED ATTEMPTS TO REPAIR OR MODIFY OR ANY OTHER CAUSE BEYOND THE RANGE OF THE INTENDED USE OR BY ACCIDENT FIRE LIGHTNING OR OTHER HAZARD LIMITATION OF LIABILITY TO THE FULL EXTENT ALLOWED BY LAW 3COM ALSO EXCLUDES FOR ITSELF AND ITS SUPPLIERS ANY LIABILITY WHETHER BASED IN CONTRACT OR TORT INCLUDING NEGLIGENCE FOR INCIDENTAL CONSEQUENTIAL INDIRECT SPECIAL OR PUNITIVE DAMAGES OF ANY KIND OR FOR LOSS OF REVENUE OR PROFITS LOSS OF BUSINESS LOSS OF INFORMATION OR DATA OR OTHER FINANCIAL LOSS ARISING OUT OF OR IN CONNECTION WITH THE SALE INSTALLATION MAINTENANCE USE PERFORMANCE FAILURE OR INTERRUPTION OF ITS PRODUCTS EVEN IF 3COM OR ITS AUTHORIZED RESELLER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES AND LIMITS ITS LIABILITY TO REPAIR REPLACEMENT OR REFUND OF THE PURCHASE PRICE PAID AT 3COM S OPTION THIS DISCLAIMER OF LIABILITY FOR DAMAGES WILL NOT BE AFFECTED IF ANY REMEDY PROVIDED HEREIN SHALL FAIL OF ITS ESSENTIAL PURPOSE Some countries states or provinces do not allow the exclusion or limitation of implied warranties or the limitation of incidental or consequential damages for certain products supplie
42. Configuring the 3C882 ISDN Modem fora PC 3 13 To change the voice call routing setting 1 Specify which Phone port should handle the calls associated with Telephone Number 1 by checking the appropriate Phone Port box 2 If your ISDN line has two telephone numbers specify which Phone port should handle the calls associated with Telephone Number 2 3 Click the Update button to download the change to your 3C882 ISDN modems S register Verifying the Configuration Check the status bar located toward the bottom of the Configuration dialog box If the parameters were configured accurately and the 3C882 ISDN modem is ready to send and receive calls the status bar fields will appear as shown here m Layer 1 UP m SPID 1 Init if required m TEI 1 Number from 64 to 126 m SPID 2 Init if required m TEI 2 Number from 64 to 126 if required gt The TEI number s are not configured by the user The TEI number s are transmitted by the telephone company for informational purposes only Before you close the Configuration dialog box do the following 1 Confirm that the Configuration parameters are correct 3 14 CHAPTER 3 CONFIGURATION FOR AN IBM COMPATIBLE PC RUNNING WINDOWS 2 Click the Update button if you made any changes to the 3C882 ISDN modem configuration 3 Click Exit to leave the utility This completes the ISDN modem configuration procedure For Windows 3 x users go to Chapter 5 Advanced Configuration and
43. D is required and supply you with the correct value 2 INSTALLING THE 3C882 ISDN MODEM This chapter describes installation of the 3C882 ISDN modem for use with an IBM or IBM compatible PC or an Apple Macintosh computer This installation procedure assumes that you are familiar with your Apple Macintosh or IBM compatible computer If you are not refer to the user guide that accompanied your computer for instructions on hardware installation and operating system commands The main hardware installation steps are depicted in Figure 2 1 Familiarize yourself with the 3C882 ISDN modem Connect serial cable Install ISDN cable Install analog equipment optional Install power cable Figure 2 1 Installation Steps for the 3C882 ISDN Modem 2 2 CHAPTER 2 INSTALLING THE 3C882 ISDN MODEM Familiarizing Yourself with the 3C882 ISDN Modem You should familiarize yourself with the components of the front panel and back panel of the 3C882 ISDN modem prior to installation The LED status display shown in Figure 2 2 consists of eight front panel LEDs that are described in Table 2 1 eget E E oe E ii PWR TEST D B1 B2 SD RD DTR sComlmpact Te Figure 2 2 Front Panel LED Indicators Figure 2 3 shows the back panel A
44. E PC RUNNING WINDOWS 10 Click Continue 11 Click OK to exit the Network Settings dialog box The Network Settings Change alert box appears 12 Click Restart Now Once your computer has rebooted you are ready to use the 3C882 ISDN modem Refer to Chapter 5 Advanced Configuration to review the default settings and ensure that they reflect your preferences If you prefer not to change the default settings then go on to Chapter 7 Placing and Receiving Calls Setup for Windows NT 4 0 This section describes how to set up the 3C882 ISDN modem using Windows NT 4 0 Note that these instructions assume that the 3C882 ISDN modem software has already been installed p gt These instructions also apply for Windows 95 manual setup 1 Insert the 3Com mpact IQ Windows Installation Diagnostic Utilities diskette into an available floppy drive 2 From the Control Panel dialog box double click the Modems icon The Modems Properties dialog box appears 3 Click Add The Install New Modem dialog box appears as shown in Figure 3 18 Setup for Windows NT 4 0 3 21 Install New Modem Figure 3 18 Install New Modems Dialog Box 4 Check Don t detect my modem I will select it from a list and click Next 3 22 CHAPTER 3 CONFIGURATION FOR AN IBM COMPATIBLE PC RUNNING WINDOWS The New Modem Manufacture screen will open as shown in Figure 3 19 Install Hew Hodem Click the manufacturer and model of your modern IF y
45. ION IBM PC or Compatible Requirements An IBM compatible PC must have the following a A 386 486 or Pentium processor a Microsoft Windows 95 Windows NT or Windows 3 x MS DOS or IBM PC DOS 3 x or higher m 640 KB of conventional memory m A hard disk drive with 4 MB of free space mw A high density 3 5 inch floppy diskette drive a VGA or compatible video graphics adapter and monitor color recommended m An available serial communications port For 230 4 Kbps data rate You will need an enhanced serial port card and COM port driver software that support 230 4 Kbps For 115 2 Kbps data rate 3Com recommends that your IBM or IBM compatible PC serial COM port be equipped with a 16C550 UART universal asynchronous receiver transmitter To determine what UART is installed in your PC run the Microsoft Diagnostic Program msd from the DOS prompt Apple Macintosh Requirements An Apple Macintosh computer must have the following m An available serial communications port m System 7 or later operating system m A hard disk drive with 4 MB of free space m A high density 3 5 inch floppy diskette drive Before You Install the 3C882 ISDN Modem 1 7 ISDN Information Enter your ISDN telephone number s in the information sheet shown in Figure 1 2 You will need this information during configuration of the 3C882 ISDN modem Although the 3C882 ISDN modem automatically configures the ISDN switch type and Service Profile Identifier
46. ISDN Basic Rate ISDN modem for connection with digital telephone services from local telephone companies in North America One model 3C882 supports both IBM or IBM compatible PCs and Apple Macintosh computers The 3C882 ISDN modem is designed for users who require high speed access to the Internet intranet on line information services or corporate local area networks LAN A typical 3C882 ISDN modem application is shown in Figure 1 1 Internet intranet or on line service Public telephone network Corporate Figure 1 1 Network Access with the 3C882 ISDN Modem The 3C882 ISDN modem allows transmission of data at speeds of up to 128 Kbps over digital ISDN connections with 1 2 CHAPTER 1 INTRODUCTION the highest reliability and error free performance possible With hi fn compression and a high speed serial port the 3C882 ISDN modem allows you to reach transmission speeds of up to 230 4 Kbps ISDN technology reduces call setup times by more than 50 compared to V fast V 34 analog modem setup times connection is established in 3 seconds Setting up the 3C882 ISDN modem takes only 15 minutes Simply connect the cables load the software run the SPID Wizard and you are ready to place a call The 3C882 ISDN modem quickly processes data and voice calls simultaneously For example you can send a fax or place a voice telephone call while maintaining a high speed connection to the office LAN you can al
47. Modem One 1 copy of the Software may be made for backup or archive purposes in support of your use of the Software on a single workstation You may not reproduce the supporting documentation accompanying the Software You must reproduce and include the copyright notice s and any other proprietary rights notices appearing on any copy that you make ASSIGNMENT NO REVERSE ENGINEERING You may transfer the Software and license to another party in the same country in which you obtained the Software if the other party agrees in writing to accept the terms and conditions of this License Agreement If you transfer the Software you must at the same time either transfer any copies of the Software as well as the Supporting documentation to the same party or destroy any such materials not transferred Except as set forth above you may not assign your rights under this License Agreement Modification reverse engineering reverse compiling or disassembly of the Software is expressly prohibited However if you are a European Community EC resident information necessary to achieve interoperability of the Software with other programs within the meaning of the EC Directive on the Legal Protection of Computer Programs is available to you from 3Com upon written request EXPORT RESTRICTIONS You agree that you will not export or re export the Software or accompanying documentation or any copies thereof or any products utilizing the Software or such docu
48. P control panel shown in 9 Close the PPP control panel by choosing File and Close When asked to save changes choose Save 10 To make a connection open the PPP control panel and choose Connect Once your call has been authenticated you may open any web browser to access the Internet such as Netscape or Microsoft s Internet Explorer 4 16 CHAPTER 4 CONFIGURATION FOR AN APPLE MACINTOSH COMPUTER Set Up Using FreePPP with Open Transport FreePPP is a freeware application for accessing the Internet available for use with Apple s Open Transport networking software version 1 1 or higher or MacTCP Apple s older networking software These instructions cover Open Transport configuration only and assume that the pertinent software has already been installed on your system gt These instructions are for FreePPP 2 5v2 1 Open FreePPP Setup from the menu bar control panel located along the top of your Macintosh screen you must have the FreePPP Setup control panel installed in your Control Panels folder to access and make changes to FreePPP The FreePPP Setup screen opens as shown in Figure 4 16 Mot connected a Connect Click Connect to dial i 2 ow From EJ Allow applications to open connection O Disconnect if idle for i minutes w C Check line every 20 second O Show alerts during connect and disconnect 0n connect open FreePPP Setup application C Open application on connect Modem Setu
49. PID 015551212000 Route Yoice Calls to V Phone Port 1 Phone Port 2 Number 2 Telephone Number 9995551713 Enabled Service Profile Identifier SPID 015551213000 Route Voice Calls to Phone Port 1 Phone Port 2 Figure 4 10 Voice Call Routing Default Setting Note the phone port check marks for each telephone number This default configuration routes each telephone number to a specified port gt The ISDN Call Waiting default configuration is best served by the recommended scenario shown in Figure 4 13 By default ISDN Call Waiting has been enabled on Phone Port 1 for use with your telephone but disabled on Phone Port 2 to prevent potential interruption of calls to your fax machine S76 1 One Telephone Number and Two Analog Devices If you have only one telephone number for your ISDN line and two analog devices check the Phone Port 1 and Phone Port 2 boxes located in the Number 1 group box as shown in 4 10 CHAPTER 4 CONFIGURATION FOR AN APPLE MACINTOSH COMPUTER Figure 4 11 Calls to that telephone number will ring both devices allowing you to answer a call using either device Telephone Number 9985551212 Service Profile Identifier SPID 015551212000 Route Yoice Calls to M Phone Port 1 Phone Port 2 Number 2 O Enabled Service Profile Identifier SPID Route Voice Calls to Phone Port 1 Phone Port 2 908 555 1212 908 555 121 Figure 4 11 Configuration for One Teleph
50. Return 6 6 CHAPTER 6 SUPPLEMENTARY VOICE FEATURES This completes the procedure for Pacific Bell ISDN users Refer to Chapter 5 Changing the Parameter Settings or Appendix B AT Commands S Registers and Result Codes for further assistance PLACING AND RECEIVING CALLS This chapter illustrates how to place and receive a variety of calls with your 3C882 ISDN modem The 3C882 ISDN modem uses AT commands and S registers for call management This chapter covers the following Placing ISDN data calls Placing a Multilink PPP call Placing a TollMizer call Receiving ISDN data calls Placing calls using an analog phone port Receiving calls using an analog phone port ISDN Call Logging Placing ISDN Data Calls gt You can let your communications software send and receive calls for you or you can use a terminal emulator to place calls manually Software that communicates using AT commands such as HyperTerminal is required to control the 3C882 ISDN modem You can choose to enter these codes manually however they are often entered automatically by modem communications software When you place a call the B channel LED s flash green and then remain lit once the call is established If you are running Multilink PPP one B channel flashes and then remains lit Then the second B channel flashes and it too remains lit For Macintosh users add spo to the modem initialization string of your communications soft
51. Sa 3COMIMPACT IQ 3 EXTERNAL ISDN MODEM USER GUIDE Part No 09 0885 001 Published July 1997 3Com Corporation m 5400 Bayfront Plaza m Santa Clara California m 95052 8145 3Com Corporation 1997 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
52. able 2 Click the Update button to download the change to your 3C882 ISDN modem s S register 3 10 CHAPTER 3 CONFIGURATION FOR AN IBM COMPATIBLE PC RUNNING WINDOWS Additional configuration may be needed for Multilink PPP For details refer to S registers 82 and 83 in Appendix B AT Commands S Registers and Result Codes Note that if you disable Multilink PPP i e Register S80 0 you can still place a Multilink PPP call without changing the S 80 register value In the dial string enter the first telephone number then the ampersand character followed by the second telephone number For example ATD 908 555 1212 amp 908 555 1213 Configuring the B Channel Rate Specify the B channel rate as 56 Kbps 64 Kbps or select TollMizer if you would like to use that feature TollMizer allows you to place a 56 Kbps data call using a voice channel which is often less expensive Note that the device you are calling must also support TollMizer sometimes referred to as Switch 56 Permissive or Data Over Voice to take advantage of this feature By default the B channel rate is 56 Kops Check with your telephone company for the appropriate B channel rate To change the connection speed to 64 Kbps or TollMizer do the following 1 Select the appropriate radio button 64 Kbps or TollMizer 2 Click the Update button to download the change to your 3C882 ISDN modems S register Configuring Voice Call Routing The 3C882 ISDN mod
53. an enter the appropriate command from the analog telephone attached to your ISDN modem and it will be passed through Your 6 2 CHAPTER 6 SUPPLEMENTARY VOICE FEATURES telephone company should provide the appropriate commands The 3C882 ISDN modem will announce a forwarded call by producing a short ring on the telephone that is routed to the forwarded number ISDN Call Waiting ISDN Call Waiting allows you to place a voice call on hold while you answer an incoming voice call By default ISDN Call Waiting is disabled on analog port 2 S76 1 To avoid potential call interruptions when sending or receiving a fax transmission you should therefore install your fax machine on analog port 2 Table 6 1 How to Use Call Waiting How Do Place the first call on hold and answer the second Place the second call on hold and then switch back to the first call End the first call and then answer the second call What if the call on hold is dropped What if the active caller hangs up Do This When you hear the call waiting indicator press and immediately release the switch hook button Press and release the flash hook The second call is then put on hold Hang up the telephone wait for the telephone to ring and then answer the call If the call on hold hangs up at the far end you will receive no notice If you press and release the switch hook button you will get a dial tone indicating that the call on h
54. ase the computer s COM port rate to 230 4 Kbps Compression D channel DBA Default Compression is a method of reducing the size of data packets without losing any information The 3C882 ISDN modem automatically compresses data for PPP calls to improve data transfer times using the hi fn compression method The signaling channel on an ISDN line used to carry messages between the 3C882 ISDN modem and the public switch Dynamic bandwidth allocation DBA is a method of reallocating bandwidth such as a B channel automatically DBA allows you to place or receive a voice call while a Multilink PPP call is active Value set at the factory Firmware ISDN GLOSSARY 3 Firmware is the code that resides in the 3C882 ISDN modem and controls its behavior It differs from software in the form of programs that run on your computer Integrated Services Digital Network ISDN provides a digital telephone service which allows both data and voice communication over the same telephone line and at significantly faster speeds than the traditional POTs service Two types of lines provide access to ISDN BRI and PRI ISDN Call Logging ISDN Call Logging displays the five latest incoming and outgoing numbers over the data and analog ports To use this feature your ISDN line must support Caller ID ISDN Call Waiting Kbps Layer 1 ISDN Call Waiting is a supplementary voice feature that allows you to place a voice call on hold wh
55. be invalid illegal or unenforceable the validity legality and enforceability of any of the remaining provisions shall not in any way be affected or impaired and a valid legal and enforceable provision of similar intent and economic impact shall be substituted therefor ENTIRE AGREEMENT This License Agreement sets forth the entire understanding and agreement between you and 3Com and may be amended only in a writing signed by both parties 3Com is a registered trademark of 3Com Corporation 3Com Corporation 5400 Bayfront Plaza Santa Clara CA 95052 8145 408 764 5000 FCC CLASS B CERTIFICATION STATEMENT 3Com Corporation Model No 3C882 FCC ID DF63C882 Made in U S A This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation WARNING This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules and the Canadian Department of Communications Equipment Standards entitled Digital Apparatus ICES 003 These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the inst
56. call This feature can be used whether you have received or have placed the first call You cannot conference two incoming calls You must initiate the third call in order to activate Call Conferencing Table 6 2 How to Use Call Conference How Do Do This Place a new conference call While the first call is active press and release the switch hook button The B channel LED light flashes to indicate that the first call is on hold and you will hear a dial tone Then dial a third party number After the third party has answered press and release the switch hook button to connect all three parties Drop the last party added to the To drop the last party added to the conference call conference call press and release the switch hook button 6 4 CHAPTER 6 SUPPLEMENTARY VOICE FEATURES Table 6 2 How to Use Call Conference How Do Abort the second dial and switch back to the first call What if hear a dial tone when attempt to conference all three parties What if the telephone rings after hang up Call Drop Do This If the dialed party is busy press and release the switch hook button to cancel the call and reconnect you to the first call If you dialed a wrong number or the far end does not answer hang up the phone to abort the attempted call The phone will then ring indicating that the first call is on hold Answer the phone to reconnect you to the first call A dial tone indicates that one of
57. cedure for Windows NT 4 0 Refer to Chapter 5 Advanced Configuration to review the default settings and ensure that they reflect your preferences If you prefer not to change the default settings then go on to Chapter 7 Placing and Receiving Calls 3 30 CHAPTER 3 CONFIGURATION FOR AN IBM COMPATIBLE PC RUNNING WINDOWS Setup for 230Kbps The 3C882 ISDN modem allows for transfer rates of up to 230 4 Kbps Note that some computers require the installation of additional hardware such as an accelerated serial port card to take advantage of this higher speed There are two setup scenarios covered m 230K setup for Windows NT 3 5 1 m 230K setup for Windows 95 and Windows NT 4 0 Setting up 230K for Windows NT 3 5 1 These instructions require prior installation of the modem inf gt driver which is installed as part of the initial setup procedure Refer to Setup Using Windows NT 3 5 1 RAS earlier in this chapter for assistance 1 Ensure that your computer s COM port and communications software support 230 4 Kbps For instructions on sending AT commands refer to the section Changing the Parameter Settings on page 5 4 2 Using terminal emulation software send the command at B 230400 to the 3C882 ISDN modem This will set the baud rate to 230 4 Kbps Once the baud rate is set to a fixed amount you will no longer A be able to access the Configuration dialog box to make changes Refer to Restoring the
58. ched Voice Limit parameters should be set to 2 to allow both analog ports to be used simultaneously If those parameters are set to 1 the ISDN line can only place or receive one call at a time t Flexible Calling FCO provides 3 Way Calling Call Conference Hold Drop and Transfer from analog equipment attached to the modem Additional Call Offering ACO allows you to use incoming Dynamic Bandwidth Allocation DBA as well as Call Waiting APPENDIX A ORDERING ISDN SERVICE Caller ID is necessary to employ the Call Logging feature If you would like to have Call Logging you must order Caller ID However Caller ID itself which requires an external device to monitor incoming calls is not supported ttCall Forwarding allows you to forward calls to another telephone number Siemens EWSD Switch To order ISDN service for the Siemens EWSD switch supply photocopy and fax Table A 5 to the telephone company Required Information Line Type Line Code Interface Type Directory Numbers Circuit Switched Data and Voice Maximum B Channels Circuit Switched Voice Limit Bearer Restriction Option Protocol SPID Suffix Terminal Endpoint Identifier TEI Key System EKTS Flexible Call Offering FCO Additional Call Offering ACO Caller ID Call Forwarding Variable The Directory Number Circuit Switched Voice Maximum B Channels and Circuit Switched Voice Limit parameters should be set to 2 to allow both analog port
59. d to consumers so the above limitations and exclusions may be limited in their application to you This warranty gives you specific legal rights which may vary depending on local law GOVERNING LAW This Limited Warranty shall be governed by the laws of the state of California 3Com Corporation 5400 Bayfront Plaza Santa Clara CA 95052 8145 408 764 5000 IMPORTANT Read Before Using This Product 3COM END USER SOFTWARE LICENSE AGREEMENT YOU SHOULD CAREFULLY READ THE FOLLOWING TERMS AND CONDITIONS BEFORE OPENING OR USING THIS PRODUCT IT CONTAINS SOFTWARE THE USE OF WHICH IS LICENSED BY 3COM CORPORATION 3COM TO ITS CUSTOMERS FOR THEIR USE ONLY AS SET FORTH BELOW OPENING THIS PACKAGE OR USING ANY PART OF THE SOFTWARE INDICATES THAT YOU ACCEPT THESE TERMS IF YOU DO NOT AGREE TO THE TERMS AND CONDITIONS OF THIS AGREEMENT RETURN THIS ENTIRE PACKAGE UNOPENED OR WITH THE SOFTWARE UNUSED TO 3COM OR THE LOCATION WHERE YOU OBTAINED IT LICENSE 3Com grants you a nonexclusive license to use the accompanying software program s the Software subject to the terms and restrictions set forth in this License Agreement Except as provided below this License Agreement does not grant you any rights to patents copyrights trade secrets trademarks or any other rights in respect to the Software The Software is licensed to be used on ONE 1 WORKSTATION owned by or leased to you for use only in connection with a 3Comlmpact IQ External ISDN
60. default 1 Two second delay S76 ISDN Call Waiting O Phone 1 Call Waiting Disabled Phone 2 Call Waiting Disabled 1 Phone 1 Call Waiting Enabled Phone 2 Call Waiting Disabled default 2 Phone 1 Call Waiting Disabled Phone 2 Call Waiting Enabled 3 Phone 1 Call Waiting Enabled Phone 2 Call Waiting Enabled S7 Call Conferencing O Disabled 60 default S78 Call Transfer O Disabled 61 default APPENDIX B AT COMMANDS S REGISTERS AND RESULT CODES Table B 2 S Registers continued Registers S79 S80 S82 565 S84 Descriptions Call Drop O Disabled 62 default Multilink PPP 0 Disabled 1 Enabled default Multilink PPP Endpoint Discriminator Class The 3C882 ISDN modem automatically sets the Endpoint Discriminator Class to 5 1 Locally Assigned Address 2 Internet Protocol IP Address 3 IEEE 802 1 Globally Assigned MAC Address 4 PPP Magic Number Block 5 Public Switched Network Directory Number default Multilink PPP Endpoint Discriminator Value up to 20 characters By default the 3C882 ISDN modem automatically sets the Endpoint Discriminator value to the first telephone number If your endpoint identifier class is not 5 obtain the identifier from your service provider and enter that information in this register Challenge Handshake Authentication Protocol CHAP 0 Enabled 1 Disabled default The values
61. e 3 5 3ComimpactlQ Starting SPID Wizard Figure 3 5 SPID Wizard Start Message for PC If you do not want to run the SPID Wizard click Cancel to configure your values manually via the configuration dialog box see Figure 3 9 Here you can select your ISDN switch type enter the telephone number s and if required enter the corresponding SPID s for your ISDN line Note that running the SPID Wizard is the recommended method for configuring your SPID values The SPID Wizard first checks for ISDN layer 1status and then configures the switch type Configuring the 3C882 ISDN Modem foraPC 3 5 After the switch type is configured the dialog box for the first telephone number appears as shown in Figure 3 6 S08 555 1212 war Figure 3 6 First Telephone Number Dialog Box for PC 2 Enter the first telephone number for your ISDN line 3 Click Next A message appears indicating that the 3C882 ISDN modem is detecting the SPID for the first telephone number 3 6 CHAPTER 3 CONFIGURATION FOR AN IBM COMPATIBLE PC RUNNING WINDOWS After the SPID is configured the dialog box shown in Figure 3 7 appears 3Comlmpact IQ Enter the second phone number If you do not have a second phone number ignore this field and click the Done button 908 555 1213 pone Figure 3 7 Second Telephone Number Dialog Box for PC 4 Ifyou have a second telephone number for your ISDN line enter it and then click Next If no
62. e products may be obtained by delivering the defective product accompanied by a copy of the dated proof of purchase to 3Com s Corporate Service Center or to an Authorized 3Com Service Center during the applicable warranty period Standard warranty service for software products may be obtained by telephoning 3Com s Corporate Service Center or an Authorized 3Com Service Center within the warranty period Products returned to 3Com s Corporate Service Center must be pre authorized by 3Com with a Return Material Authorization RMA number marked on the outside of the package and sent prepaid insured and packaged appropriately for safe shipment The repaired or replaced item will be shipped to Customer at 3Com s expense not later than thirty 30 days after receipt of the defective product by 3Com WARRANTIES EXCLUSIVE IF A 3COM PRODUCT DOES NOT OPERATE AS WARRANTED ABOVE CUSTOMER S SOLE REMEDY FOR BREACH OF THAT WARRANTY SHALL BE REPAIR REPLACEMENT OR REFUND OF THE PURCHASE PRICE PAID AT 3COM S OPTION TO THE FULL EXTENT ALLOWED BY LAW THE FOREGOING WARRANTIES AND REMEDIES ARE EXCLUSIVE AND ARE IN LIEU OF ALL OTHER WARRANTIES TERMS OR CONDITIONS EXPRESS OR IMPLIED EITHER IN FACT OR BY OPERATION OF LAW STATUTORY OR OTHERWISE INCLUDING WARRANTIES TERMS OR CONDITIONS OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND SATISFACTORY QUALITY 3COM NEITHER ASSUMES NOR AUTHORIZES ANY OTHER PERSON TO ASSUME FOR IT ANY OTHER LIABILITY IN CONNE
63. ection icon for the destination you wish to access A connection dialog box will open Click Connect Once your call has been established you may open any web browser to access the Internet Running the Internet Set Up Wizard The Internet Set Up Wizard automates the configuration procedure for connecting to the Internet You will need the following information which your Internet Service Provider ISP should supply Name of you ISP Your ISP access number Your user name and password IP Address if required Configure Dial Up Networking 3 25 Subnet Mask if required Primary and Alternate DNS Server address To send and receive e mail through the Internet E mail address Mail server address To run the Internet Set Up Wizard do the following The Internet Set Up Wizard procedure may vary depending on your particular version of Windows 95 Click Start Programs Accessories Internet Tools and Internet Setup Wizard Click Next to view the Connection Type dialog box Select Connect Using My Phone Line Click Next to view the Connection Type dialog box Choose to Connect to the Internet using an Internet Service Provider Click Next If this is the first time you are running the Internet Setup Wizard the Installing Files dialog box appears Click Next The Choose Modem dialog box opens Select 3Com mpact IQ for baud rates of up to 115 2 Kbps or 3Com lmpact IQ 230K if you have installed an accelerated
64. em If this LED flashes and yet you are not able to communicate with the 3C882 ISDN modem you may be attempting to 8 4 CHAPTER 8 TROUBLESHOOTING communicate at incompatible baud rates Refer to Evaluating Symptoms and Solutions below Monitoring the DTR LED When illuminated the Data Terminal Ready LED indicates that communication between the 3C882 ISDN modem and your computer has been established If the DTR LED does not illuminate refer to Evaluating Symptoms and Solutions below Evaluating Symptoms and Solutions Table 8 1 lists symptoms of common problems possible causes and possible solutions Table 8 1 Symptoms Causes and Solutions Symptom Possible Cause TEST LED remains An internal failure lit for more than a few minutes D channel remains Poor physical connection to lit for more thana the local telephone company few minutes D channel A mismatch between the continues to flash settings of the ISDN line and for more than a the 3C882 ISDN modem few minutes configuration Continued Solution Notify 3Com Technical Support that the 3C882 ISDN modem has failed the self test If the telephone wires at your site appear to be satisfactory call your local telephone company for repair of telephone company equipment and troubleshooting assistance Verify the telephone number and SPID if required If the D channel LED continues to flash open the 3C882 ISDN modem s Configuratio
65. em allows you to assign a specific teleohone number to a specified analog phone port By default telephone number 1 is assigned to phone port one and telephone number 2 is assigned to phone port two as shown in Figure 3 10 This is especially helpful should you Configuring the 3C882 ISDN Modem fora PC 3 11 have both a telephone and a fax machine connected to your 3C882 ISDN modems analog ports Number 1 Telephone Number 90855512712 Service Profile Identifier SPID 015551212000 Route Yoice Calls to Phone Port 1 Phone Port 2 Number 2 Telephone Number 90855512713 E Enabled Service Profile Identifier SPID 015551213000 Route Voice Calls to Phone Ponti Phone Port 2 9085551212 908 555 1213 Figure 3 10 Voice Call Routing Default Setting Note the phone port check marks for each telephone number This default configuration routes each telephone number to a specified port The ISDN Call Waiting default configuration is best served by id the recommended scenario shown in Figure 3 10 By default ISDN Call Waiting has been enabled on Phone Port 1 for use with your telephone but disabled on Phone Port 2 to prevent potential interruption of calls to your fax machine S76 1 One Telephone Number and Two Analog Devices If you have only one telephone number for your ISDN line and two analog devices check the Phone Port 1 and Phone Port 2 boxes located in the Number 1 group box as shown in Figu
66. em to a different ISDN line or if your ISDN line parameters should change e g your area code After the ISDN switch type telephone number s and Configuring the 3C882 ISDN Modem foraPC 3 9 SPID s are configured clicking on the 3ComlImpact IQ globe icon will thereafter display the Configuration dialog box If you add a second telephone number to your ISDN line after you run the SPID Wizard you can use the SPID Wizard to detect the SPID for your second telephone number To run the SPID Wizard for a second telephone number 1 From the Configuration dialog box check the Enabled box located in the Number 2 group box A message box appears and asks you to confirm that you want to run SPID Wizard 2 Click OK The Second Telephone Number dialog box appears 3 Enter the second telephone number for your ISDN line and then click Next Figure 3 8 appears 4 Click Finish Configuring Multilink PPP Multilink PPP is a protocol that provides a method for combining multiple PPP connections Multilink PPP combines the two ISDN B channels creating a virtual single digital connection of up to 128 Kbps Note that the destination you are dialing must also support Multilink PPP or you will get a single B channel connection instead of the dual channel link By default Multilink PPP is enabled To enable or disable Multilink PPP do the following 1 Click inside the Multilink check box in the PPP area to clear it disable or check it en
67. es listed in S52 and S53 Use terminal emulation software to enter the commands ATS52 and ATS54 Carefully monitor the B1 and B2 LEDs while attempting a call These LEDs flash during call establishment and then remain green or amber once the connection is established If neither LED flashes ensure that your computer is turned on and operational and that your application software has sent an AT dial command in the proper format There may be an incompatible local or toll telephone company Contact your local telephone company and have it verify that you can dial a data call to the destination teleohone number Send the command AT S and check the cause code field 8 6 CHAPTER 8 TROUBLESHOOTING Table 8 1 Symptoms Causes and Solutions Symptom Possible Cause Solution A connection has There is an interoperability Make sure that the local and remote been established mismatch between the local data applications have B 1 or B 2 green and remote applications communications capability and are LED remains lit properly configured and you receive a CONNECT message but data Ensure that the baud rates for each cannot be sent application are set to an equal value Upon power up A previous firmware Download the firmware Refer to the both the TEST and download did not complete readme file for firmware download D channel LEDs successfully instructions flash Both B1 and B2 The 3C882 ISDN modem baud Ensure that your computer s
68. etworking gt This section describes the Dial Up Networking setup procedure for both Windows 95 and Windows NT 4 0 Dial Up Networking setup requires specific Internet Service Provider ISP information your particular setup parameters may vary widely You may need to check with your ISP for assistance Dial Up Networking for Windows 95 If you would like to connect to the Internet you can choose to have the Internet Setup Wizard to guide you through the procedure or you may choose to configure Dial Up Networking manually for other remote connections To configure Dial Up Networking manually From the Start menu select Programs Accessories and Dial Up Networking The Dial Up Networking window opens Double click the Make New Connection icon Enter a name for this connection such as your ISP Select 3Com mpact IQ for baud rates up to 115 2 Kbps 3 24 CHAPTER 3 CONFIGURATION FOR AN IBM COMPATIBLE PC RUNNING WINDOWS 10 11 If you have not already set up the modem for 230K refer to Setup for 230Kbps for assistance Click Configure The 3Com mpact IQ Properties window opens Select the appropriate COM port and maximum speed available for your computer Click OK You are returned to the Make New Connection screen Click Next Enter the area code telephone number and if necessary the country code of the location you are dialing Click Next Click Finish To make a call double click the conn
69. gesellschaft AT amp T is a trademark of American Telephone amp Telegraph Company Northern Telecom is a trademark of Northern Telecom Limited Motorola is a trademark of Motorola Inc LZS is a trademark of hi fn 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 Eric Heller 5 YEAR LIMITED WARRANTY The warranty for the 3Comlmpact IQ External ISDN Modem is as stated in the Limited Warranty statement found at the back of this User Guide with the exception that the 3Comlmpact IQ External ISDN modem has a 5 year limited warranty on the hardware in lieu of the standard 1 year warranty The software for the 3Comlmpact IQ External ISDN Modem has a 90 day warranty as further specified in the Limited Warranty statement To ensure the very best 3Com service and support take the time to register on line or complete the product registration card CONTENTS ABOUT THIS GUIDE Introduction 1 How to Use This Guide 1 Conventions 2 INTRODUCTION 3C882 ISDN Modem Features 1 2 3C882 ISDN Modem Package Contents 1 4 Before You Install the 3C882 ISDN Modem 1 5 IBM PC or Compatible Requirements 1 6 Apple Macintosh Requirements 1 6 ISDN Information 1 7 INSTALLING THE 3C882 ISDN MODEM Familiarizing Yourself with the 3C882 ISDN Modem 2 2 Installing a Serial Cable 2 3
70. guration using DOS Appendix D 2 ABOUT THIS GUIDE Conventions Table 1 and Table 2 list text and icon conventions that are used throughout this guide Table 1 Text Conventions Convention Text represented as screen display Text represented as commands Keys Italics Table 2 Notice Icons Icon Type Description This typeface is used to represent displays that appear on your terminal screen for example NetLogin This typeface is used to represent commands that you enter for example SETDefault 0 IP NETaddr 0 0 0 0 When specific keys are referred to in the text they are called out by their labels such as the Return key or the Escape key or they may be shown as Return or Esc If two or more keys are to be pressed simultaneously the keys are linked with a plus sign for example Press Ctrl Alt Del Italics are used to denote new terms or emphasis Description Information Note Information notes call attention to important features Caution Warning or instructions Cautions contain directions that you must follow to avoid immediate system damage or loss of data Warnings contain directions that you must follow for your personal safety Follow all instructions carefully INTRODUCTION The 3Comlmpact IQ External ISDN Modem referred to as the 3C882 ISDN modem throughout this guide is an external stand alone Integrated Services Digital Network
71. he 3Comlmpact IQ Modem Script files into a separate folder in order to access them from the OT PPP Modem control panel These CCL scripts were placed in your Extensions folder located in the System folder during installation of the 3ComIlmpact IQ ISDN modem software If you are using System 7 6 or later drag these modem script files from the Extensions folder into the Modem Scripts folder also located in the Extensions folder Then select the appropriate script from the Modem menu 5 Close the Modem control panel by choosing File and Close This returns you to the PPP control panel as shown in Configuring Internet Access fora Macintosh Computer 4 15 6 Open the TCP IP control panel by choosing TCP IP from the PPP pull down menu The TCP IP control panel opens as shown in Figure 4 15 TCP IP Configure Using PPP Server Y IF Address lt will be supplied by server gt Subnet mask lt lt will be supplied by server gt Router address lt will be supplied by server gt Search domains Mame serwer addr 100 100 1 1 Figure 4 15 TCP IP Control Panel 7 Choose PPP from the Connect via pop up menu and Using PPP Server from the Configure menu or Manually if specified by your ISP 8 Enter the Name server address es as directed by your ISP and the appropriate Search domain s if required Then choose File and Close When asked to save changes do so by choosing Save This returns you to the PP
72. he maximum COM port rate available for your computer and then select CTS amp RTS DTR from the pop up menu as shown in Figure 4 18 Click OK to return to the FreePPP setup screen 6 Click the General tab to return to the FreePPP Setup screen Then click Modem Setup to reveal the FreePPP Modem Setup screen as shown in Figure 4 19 wa FreePPP Modem Setup Connected to Modem Port vw Dial Type Tone Pulse CO Modem speaker on while connecting CO Long re dial delay gt Fast modem initialization EJ Hangup on disconnect C Performa internal modem Modem Init String Settings O AutoDetect init string Use init string from account configuration osem SS Figure 4 19 FreePPP Modem Setup Screen Configuring Internet Access fora Macintosh Computer 4 19 7 Choose the port to which your 3ComIlmpact IQ ISDN gt modem is attached Under Modem Init String Settings click Use and add at do Click OK to return to the FreePPP Setup screen NOTE You may want to set up unique modem configurations for each dial up Account profile i e one Multilink PPP dial up account and one 64K Single link dial up In this case you would need to set specific modem init strings for each Account To do this check Use init string from account configuration in the Modem Init Strings Settings of the Modem Setup screen shown in Figure 4 19 You would then specify a specific modem init string under the Connection tab of each Account configurat
73. ialog Box for PC 3 8 CHAPTER 3 CONFIGURATION FOR AN IBM COMPATIBLE PC RUNNING WINDOWS A message bar at the bottom of the dialog box provides status information about the 3C882 ISDN modem The Configuration dialog box buttons do the following Help Click the Help button to access help for the Configuration dialog box There is also comprehensive on line help accessible from the 3Comlmpact IQ program group box Tools Clicking on the Jools button produces buttons for Firmware Tests Save and Restore a Firmware Refer to the readme file for firmware download instructions a Tests Use the Tests tool only under the direction of technical support personnel a Save Pressing the Save button saves the current Configuration dialog box settings in a file you name You can easily restore a previously saved file to the Configuration dialog box a Restore Pressing the Restore button restores the 3C882 ISDN modem to a previously saved configuration file Update Click the Update button to download any configuration parameter changes made to the Configuration dialog box After you click the Update button the name changes to Updated to indicate that the changes have been saved to your ISDN modem ss S registers Exit Click Exit to leave the Configuration dialog box Running the SPID Wizard Again The SPID Wizard automatically runs when you are configuring the 3C882 ISDN modem for the first time if you connect the 3C882 ISDN mod
74. igure voice call routing by assigning telephone numbers to the analog ports By default telephone number 1 is assigned to phone port one and telephone number 2 is assigned to phone port 2 For example if the first telephone number is configured as 908 555 1212 and only the Phone Port 1 box is checked then calls to 908 555 1212 will only ring the analog device attached to Phone Port 1 If your ISDN line has two telephone numbers specify which Phone port should handle the calls associated with telephone number two Confirm that the parameters listed in steps 6 through 12 are correct When these parameters are updated the information is read back to the screen Check to see that the values have been correctly entered Press F10 to update the information in the ISDN modem Press Esc to return to the main menu Once in the main menu exit the program Go to Chapter 5 Advanced Configuration to review the default settings and ensure that they reflect your preferences If you prefer not to change the default settings go on to Chapter 7 Placing and Receiving Calls D 4 APPENDIX D CONFIGURATION USING DOS GLOSSARY Async Sync PPP Conversion Asynchronous to synchronous PPP conversion The 3C882 ISDN modem converts asynchronous PPP into synchronous HDLC based PPP that can be transported in ISDN B channels to communications servers that have integrated ISDN BRI PRI or T1 access lines AT commands Autobaud
75. ile you answer an incoming voice call ISDN Call Waiting requires Additional Call Offering ACO provisioned on your ISDN line Kilobits per second The rate at which data is transmitted between communication equipment such as ISDN modems In ISDN communications the physical layer of communications between the communication equipment If layer 1 is down there is no ISDN connection between the devices The status bar in the 3C882 ISDN modem Configuration screen indicates layer 1 status Multilink PPP A protocol that provides a method for combining multiple PPP connections With a BRI line Multilink PPP aggregates the two 56 Kbps or 64 Kops ISDN B channels creating a virtual single digital connection of up to 128 Kbps 4 GLOSSARY National ISDN An ISDN standard that enables consistency in ISDN service features across different vendors equipment and switches for North America Network terminator NT1 PAP POTS PPP PRI A device that terminates the ISDN line The NT1 is built into the 3C882 ISDN modem Password Authentication Protocol PAP is one of two PPP authentication protocols CHAP is the other An authentication protocol requests information to verify a valid user PAP requests the user s name and password for verification Plain old telephone service Point to Point Protocol PPP provides a standard method of transmitting data through the Internet PPP is used for communication between a compute
76. ion profile that you create For example to set up a specific account profile for Multilink PPP calls you would add s80 1 to the end of any existing init string you have your complete init string would then read at amp d0S80 1 Multilink PPP calls may also be designated via the Configuration dialog box Click Open TCP IP to access the TCP IP control panel shown in Figure 4 20 4 20 CHAPTER 4 CONFIGURATION FOR AN APPLE MACINTOSH COMPUTER TCP IP Configure Using PPP Server v IP Address lt will be supplied by server gt Subnet mask lt will be supplied by server gt Router address lt will be supplied by server gt Search domains Name server addr 100 100 1 1 Figure 4 20 FreePPP TCP IP Control Panel 9 Choose FreePPP from the Connect via pop up menu 10 Choose Using PPP Server from the Configure menu or Manually if specified by your ISP Enter the Name Server Address es as directed by your ISP and the appropriate Search Domain s if required Then choose File and Close When asked to save changes do so by choosing Save 11 To make a connection choose Open PPP Connection from the FreePPP menu bar control panel located at the top of your screen Alternatively choose Open FreePPP Setup also located in the FreePPP menu bar control panel click on the Accounts tab highlight the particular dial up account that you wish to access and click Connect Once you
77. itoring 8 3 back panel components 2 2 Baud Rate 5 3 configuring 230K 3 30 C call data placing 7 1 receiving 7 5 voice placing 7 6 receiving 7 6 Call Conference 6 3 Call Drop 6 4 Call Forwarding 6 1 Call Logging See ISDN Call Logging call routing analog ports for Macintosh 4 11 analog ports for PC using DOS D 3 analog ports for PC using Windows 3 13 Call Transfer 6 4 Call Waiting Troubleshooting 8 7 Caller ID See ISDN Call Logging Challenge Handshake Authentication Protocol CHAP 1 4 changing parameter settings 5 4 COM port connection 2 4 pinout specifications C 2 compression 5 3 configuration advanced 5 1 Apple Macintosh FreePPP 4 16 OT PPP 4 12 changing 5 4 for an Apple Macintosh computer 4 2 using DOS D 1 using Windows 3 1 using Windows 95 3 15 using Windows NT 3 5 1 3 17 using Windows NT 4 0 3 20 Windows 95 230K 3 31 Dial Up Networking 3 23 Internet Set Up Wizard 3 24 Windows NT 3 5 1 230K 3 30 Windows NT 4 0 230K 3 31 Dial Up Networking 3 26 connecting analog devices 2 5 power cable 2 7 RJ 45 RJ 11 ISDN cable 2 5 serial cable for Macintosh 2 4 serial cable for PC 2 4 conventions 2 notice icons 2 text 2 D D channel LED 2 3 8 4 monitoring 8 3 data calls placing 7 1 receiving 7 5 Data Over Voice See TollMizer Data Terminal Ready LED 2 3 Dial Up Networking Windows 95 3 23 Windows NT 4 0 3 26 DTR LED monitoring 8 4 dynamic bandwidth allocation DBA 5 2 dynamic bandwith allocation DBA
78. l When you place your call over Phone port 2 Advanced Configuration Parameter Default Values 5 3 the incoming call is dropped The calling party will still hear ringing and must retry their call If you have a Multilink PPP call active and you receive an incoming voice call one of the two B channels will not be assigned to the voice call until you answer the voice call The LED remains green until the call is answered Auto Answer When Auto Answer is disabled SO 0 by default a RING message is delivered to the RS 232 serial port upon reception of an incoming data call to the 3C882 ISDN modem Enter the command aT Ato answer the incoming data call A CONNECT message is then delivered to the RS 232 port upon successful connection If Auto Answer is enabled SO 1 255 the data call is automatically answered after the number of rings specified via the S register and a CONNECT message along with the speed of the connection is delivered to the RS 232 port Compression Compression is a method of reducing the size of transferred data without losing any information The 3C882 ISDN modem automatically compresses data to improve data transfer times using the hi fn LZS version 5 compression method Compression is enabled C2 by default and will automatically be invoked unless you are running compression on your computer If you are running compression on your computer that compression method will be used instead of 3C882 comp
79. led on Port 2 by default S76 1 Use terminal emulation software to change 76 to the appropriate value Refer to Chapter B AT Commands S Registers and Result Codes for the available options To use ISDN Call Waiting you must have ACO Additional Call Offering provisioned on your line Contact your telephone company for further assistance Note that ACO is not available on a SESS Custom switch Make sure DBA is enabled by setting S70 Refer to Chapter B AT Commands S Registers and Result Codes for the available options To use incoming DBA you must have ACO Additional Call Offering provisioned on your line Contact your telephone company for further assistance Note that ACO is not available on a SESS Custom switch 8 8 CHAPTER 8 TROUBLESHOOTING Microkey Error Codes Table 8 2 Microkey Error Codes and Their Meaning Error Code 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1021 Possible Cause Cannot find or copy the file s7comm drv Cannot find or copy the file s vcd drv Cannot find or copy the file s7combuf drv Cannot create a backup SYSTEM INI file Cannot remove vcd from the SYSTEM INI file Cannot remove combuf from the SYSTEM INI file Cannot remove comm drv from the SYSTEM INI file Cannot configure the SYSTEM INI file for s7comm drv Cannot configure the SYSTEM INI file for s7vcd drv Cannot configure the SYSTEM INI file f
80. log Box 3 19 Install New Modems Dialog Box 3 21 Modem Manufacturers and Models Dialog Box 3 22 New Phonebook Entry Wizard 3 27 3 21 3 22 4 1 4 2 4 3 4 4 4 5 4 6 4 7 4 8 4 9 4 10 4 11 4 12 4 13 4 14 4 15 4 16 4 17 4 18 4 19 4 20 Phonebook Entry Screen 3 28 Server Type Screen 3 28 3C882 Configuration Steps fora Macintosh 4 1 Installation Message Box 4 2 Successful Installation Message Box 4 3 3ComImpact IQ Program Icon 4 3 Select Modem Port Screen 4 4 SPID Wizard Start Screen 4 4 First Telephone Number Screen for Macintosh 4 5 Second Telephone Screen for Macintosh 4 6 Configuration Dialog Box for Macintosh 4 7 Voice Call Routing Default Setting 4 9 Configuration for One Telephone Number and Two Devices 4 10 Configuration to ring both ports simultaneously 4 11 PPP Control Panel 4 13 OT PPP Modem Control Panel 4 14 TCP IP Control Panel 4 15 FreePPP Setup Screen 4 16 FreePPP Account Screen 4 17 FreePPP Connection Screen 4 18 FreePPP Modem Setup Screen 4 18 FreePPP TCP IP Control Panel 4 20 2 1 5 1 6 1 6 2 6 3 8 1 8 2 A 1 A 2 A 3 A 4 A 5 B 1 B 2 B 3 C1 C 2 C3 TABLES Text Conventions 2 Notice Icons 2 Front Panel LED Indicator Definitions 2 2 Changing Default Settings 5 5 How to Use Call Waiting 6 2 How to Use Call Conference 6 3 How to Use Call Transfer 6 4 Symptoms Causes and Solutions 8 4 Microkey Error Codes and Their Meaning 8 8 Supporting Sup
81. mentation in violation of any applicable laws or regulations of the United States or the country in which you obtained them TRADE SECRETS TITLE You acknowledge and agree that the structure sequence and organization of the Software are the valuable trade secrets of 3Com and its suppliers You agree to hold such trade secrets in confidence You further acknowledge and agree that ownership of and title to the Software and all subsequent copies thereof regardless of the form or media are held by 3Com and its suppliers UNITED STATES GOVERNMENT LEGENDS For units of the Department of Defense The Software is commercial computer software as defined in 48 C F R 211 and therefore is provided to units of the Department of Defense under the terms of this License Agreement which is 3Com s standard commercial agreement for the Software In the alternative if 48 C F R 211 is not invoked the Software is licensed as follows Restricted Rights Legend Use duplication or disclosure by the United States Government is subject to restrictions as set forth in subparagraph c 1 ii of the 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
82. n dialog box If your telephone number has changed the SPID Wizard may be able to reconfigure your SPID values Or call your telephone company to verify the SPID and telephone number and ensure that the telephone company has configured the ISDN line properly refer to Appendix A Ordering ISDN Service Evaluating Symptoms and Solutions 8 5 Table 8 1 Symptoms Causes and Solutions Symptom Calls cannot be placed from analog equipment SPID 2 takes several minutes to initialize B channel LED s do not remain green or amber Continued Possible Cause If you cannot place a call there may be a problem with the configuration of your ISDN line Calls from an analog port may be blocked The switch type has been manually changed to unknown S50 0 but the SPID fields have not been cleared Problem with your computer or application software or incompatible local or toll telephone company Solution Call the telephone company to verify that your line is configured for circuit switched voice and data service From the Configuration dialog box check the Phone Port 1 and Phone Port 2 boxes which are used for voice call routing Ensure that the correct Phone Port box for each port is checked Attach a different telephone to the analog port to verify if the problem is with the analog device If you change the switch to unknown clear the values in the SPID fields by deleting the valu
83. n in Figure 2 7 Figure 2 7 Power Cable Connection 2 Plug the transformer end of the power cable into a surge protected standard 110 VAC wall outlet The indicator LEDs on the front panel see Figure 2 2 flash momentarily as the unit undergoes a power up self test diagnostic 2 8 CHAPTER 2 INSTALLING THE 3C882 ISDN MODEM This completes the 3C882 ISDN modem installation Refer to the appropriate chapter to configure the 3C882 ISDN modem either Chapter 3 Configuration for an IBM Compatible PC Running Windows or Chapter 4 Configuration for an Apple Macintosh Computer 3 CONFIGURATION FOR AN were IBM COMPATIBLE PC RUNNING WINDOWS This chapter describes the 3C882 ISDN modem configuration for use with the Windows operating system Main topics are as follows mw Configuring the 3C882 ISDN modem m Setup using Windows 95 m Setup using Windows NT 3 5 1 a Setup using Windows NT 4 0 mw Configuring Dial Up Networking m Setup for 230Kbps For instructions on using the DOS operating system refer to D gt Appendix D Configuring the 3C882 ISDN Modem for a PC The main steps are shown in Figure 3 1 Install 3C882 software Configure Multilink PPP B channel rate amp voice call routing Verify configuration Figure 3 1 Main Configuration Steps for a PC 3 2 CHAPTER 3 CONFIGURATION FOR AN IBM COMPATIBLE PC RUNNING WINDOWS Installing the 3C882 Software To install the 3C882 ISDN modem software
84. ne company Table A 3 Line Configuration for AT amp T 5ESS Custom Required Information Line Type Line Code Interface Type Directory Numbers Maximum Terminals Maximum B Channels Actual User Circuit Switched Voice Circuit Switched Voice Channel Circuit Switched Data Circuit Switched Data Channel Terminal Type Display Circuit Switched Voice Limit Circuit Switched Data Limit Voice or Data Call Appearance Preference Flexible Call Offering FCO Additional Call Offering ACO Caller ID Call Forwarding Variable Specification Standard 2B D ISDN line with point to point configuration 2B1Q U interface 7 1 gt Yes gt Any 2 Any A Basic Terminal Yes 7 2 Both Idle Not Not Yes Yestt The Directory Number Circuit Switched Voice Maximum B Channels and Circuit Switched Voice Limit parameters should be set to 2 to allow both analog ports to be used simultaneously If those parameters are set to 1 the ISDN line can only place or receive one call at a time t Flexible Calling FCO provides 3 Way Calling Call Conference Hold Drop and Transfer from analog equipment attached to the modem The 3C882 ISDN modem does not support FCO for use with an AT amp T 5ESS Custom Switch Additional Call Offering ACO allows you to use incoming Dynamic Bandwidth Allocation DBA as well as Call Waiting The 3ComImpact IQ does not support ACO for use with an AT amp T 5ESS Custom Swi
85. nection 15 CONNECT 14400 Indicates 14400 bps serial port connection 16 CONNECT 19200 Indicates 19200 bps serial port connection 17 CONNECT 38400 Indicates 38400 bps serial port connection 18 CONNECT 57600 Indicates 57600 bps serial port connection 19 CONNECT 115200 Indicates 115200 bps serial port connection 20 CONNECT 230400 Indicates 230400 bps serial port connection 56 CARRIER 56000 Indicates 56000 bps ISDN modem connection 57 CARRIER 56000P Indicates 56000 bps permissive ISDN modem connection 64 CARRIER 64000 Indicates 64000 bps ISDN modem connection B 10 APPENDIX B AT COMMANDS S REGISTERS AND RESULT CODES SPECIFICATIONS This appendix describes the physical specifications of the 3C882 ISDN modem and provides the pin assignments of the RS 232 COM port PC serial cable and Macintosh serial cable 3C882 ISDN Modem Specifications Network Interface Integrated Services Digital Network ISDN Basic Rate telephone service provided by the telephone company Physical Interface U integrated NT1 Physical Dimensions Length 8 66 in 22 0 cm Width 5 44 in 13 8 cm Height 1 56 in 4 0 cm Environmental Operating Range Operating temperature 50 to 122 F 10 to 50 C Relative humidity Up to 90 noncondensing Power Input 110 120 VAC Output 9 VDC Ringer Equivalence Number REN 3 per analog phone port on up to 200 feet of AWG 26 or heavier AWG wiring EMI Certification FCC Part 15 Class B C
86. netAccess service will provide the appropriate line parameters to your telephone company and schedule installation of your ISDN line wherever possible Be sure to ask for the order code or order confirmation number Placing the ISDN Order Through Your Telephone Company To simplify the many features available for ISDN Bellcore has created several packages called ISDN Ordering Codes IOC for choosing the line configurations that best fit your needs For the 3C882 ISDN modem 3Com recommends Capability Package S1 If IOC S1 is not recognized by your telephone company then Package M with ACO added and if you want supplementary voice services ask for FCO as well may be substituted Should your telephone company fail to recognize either IOC STor M refer to ISDN Line Parameter Tables APPENDIX A ORDERING ISDN SERVICE To order the ISDN service from the telephone company for the 3C882 ISDN modem 1 Call the telephone company and ask for the ISDN representative 2 Tell the representative that you would like to place an order for ISDN service for a 3ComImpact IQ External ISDN modem 3 Request that your line be provisioned according to Bellcore capability package S1 the recommended ISDN Ordering Code for use with your 3C882 ISDN modem IOC S1 provides circuit switched voice and data on both B channels allowing simultaneous voice and data on either phone number and may equip both ports with Additional Call Offering
87. ns C 1 RS 232 COM Port Pin Specifications C 2 PC Serial Cable Pin Specifications C 3 Macintosh Serial Cable Pin Specifications C 3 CONFIGURATION USING DOS Configuration Using DOS D 1 GLOSSARY INDEX LIMITED WARRANTY 3COM END USER SOFTWARE LICENSE AGREEMENT FCC CLASS B CERTIFICATION STATEMENT CANADIAN NOTICE 1 1 1 2 2 1 2 2 2 3 2 4 2 5 2 6 2 7 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 3 10 3 11 3 12 3 13 3 14 3 15 3 16 3 17 3 18 3 19 3 20 FIGURES Network Access with the 3C882 ISDN Modem 1 1 ISDN Information Sheet 1 7 Installation Steps for the 3C882 ISDN Modem 2 1 Front Panel LED Indicators 2 2 Back Panel Connectors 2 2 Computer to 3C882 ISDN Modem COM Port Connection 2 4 ISDN Cable Connection 2 5 Analog Equipment Connection 2 6 Power Cable Connection 2 7 Main Configuration Steps fora PC 3 1 Run Dialog Box 3 2 Welcome Screen for PC 3 2 3Comlmpact IQ Globe Icon 3 4 SPID Wizard Start Message for PC 3 4 First Telephone Number Dialog Box for PC 3 5 Second Telephone Number Dialog Box for PC 3 6 Successful Configuration Dialog Box 3 6 Configuration Dialog Box for PC 3 7 Voice Call Routing Default Setting 3 11 Configuration for One Telephone Number and Two Devices 3 12 Configuration for Two Teleohone Numbers and Two Analog Devices 3 12 New Hardware Dialog Box 3 15 Install From Disk Dialog Box 3 16 Select Device Dialog Box 3 16 Network Settings Dialog Box 3 18 Remote Access Setup Dia
88. nterface is not synchronized with the switch 1 ISDN U interface is synchronized and ready S60 B Channel Data Rate 56 56 Kbps default 64 64 Kbps S61 Outgoing Call Type 0 Follow dial modifiers default 1 Tollmizer Switched 56 Permissive or Data Over Voice 2 ISDN APPENDIX B AT COMMANDS S REGISTERS AND RESULT CODES Table B 2 S Registers continued Registers S63 S65 S66 S67 Descriptions Voice Call Routing 0 Calls to either analog port are blocked 1 Phone 1 to Phone port 1 only Phone 2 calls blocked 2 Phone 1 to Phone port 2 only Phone 2 calls blocked 3 Phone 1 to Phone port 1 or 2 Phone 2 calls blocked 4 Phone 1 calls blocked Phone 2 to Phone port 1 only 5 Phone 1 to Phone port 1 only Phone 2 to Phone port 1 only 6 Phone 1 to Phone port 2 only Phone 2 to Phone port 1 only 7 Phone 1 to Phone port 1 or 2 Phone 2 to Phone port 1 only 8 Phone 1 calls blocked Phone 2 to Phone port 2 only 9 Phone 1 to Phone port 1 only Phone 2 to Phone port 2 only default 10 Phone 1 to Phone port 2 only Phone 2 to Phone port 2 only 11 Phone 1 to Phone port 1 or 2 Phone 2 to Phone port 2 only 12 Phone 1 calls blocked Phone 2 to Phone port 1 or 2 13 Phone 1 to Phone port 1 only Phone 2 to Phone port 1 or 2 14 Phone 1 to Phone port 2 only Phone 2 to Phone port 1 or 2 15 Phone 1 to Phone port 1 or
89. of these S registers are stored in nonvolatile memory and will not be cleared or returned to the default value if the ISDN modem is powered down t Users of Pacific Bell ISDN service may need to set S registers 77 78 and 79 to specific values Check with Pacific Bell for the appropriate configurations Result Codes B 9 Result Codes Table B 3 lists the 3C882 ISDN modem result codes Table B 3 3C882 ISDN Modem Result Codes Short Form Long Form Meaning 0 OK Indicates that the most recent command or action was successfully completed 2 RING Indicates that an incoming call is present and no AT Answer command is outstanding 3 NO CARRIER Indicates that the most recent call attempts did not establish a call or that the physical ISDN interface is not operational 4 ERROR Indicates that the most recent command or action was not successfully completed 6 NO DIALTONE Indicates the ISDN line is either down or not initialized 7 BUSY Indicates the latest call attempt did not connect because the remote destination was busy 8 NO ANSWER Indicates the location you are calling is not responding 5 CONNECT 1200 Indicates 1200 bps serial port connection 10 CONNECT 2400 Indicates 2400 bps serial port connection 11 CONNECT 4800 Indicates 4800 bps serial port connection 12 CONNECT 9600 Indicates 9600 bps serial port connection 13 CONNECT 7200 Indicates 7200 bps serial port connection 14 CONNECT 12000 Indicates 12000 bps serial port con
90. old was dropped Press and release the switch hook button again to return to the previously active caller If the active caller hangs up the call on hold remains on hold until you retrieve it by pressing and immediately releasing the switch hook button If you hang up while a call is on hold the telephone will ring to indicate that there is a call on hold If you do not retrieve the call within 6 seconds the call is dropped gt Supplementary Voice Features 6 3 The analog method for disabling Call Waiting typically 70 is not available for ISDN Instead you must set the appropriate S Register S76 to activate or deactivate the Call Waiting feature Refer to Appendix B AT Commands S Registers and Result Codes for the appropriate values Troubleshooting What if the call is busy The 3C882 ISDN modem supports two simultaneous voice calls per voice port If you already have two calls up e g one active and one on hold any incoming calls will be rejected i e the caller hears a busy signal An incoming call will also be rejected during an outgoing call that is not yet active or while your telephone is ringing for an incoming call If you should hear the Call Waiting indicator when attempting to dial a third party the Call Waiting takes precedence Call Conference gt Call Conference also referred to as Three Way Calling or TWC is a voice call feature that allows you to add another party to an existing
91. one Number and Two Devices Note that while you are using the fax machine for example you cannot use the telephone to place or receive calls because your ISDN line has only one telephone number Two Telephone Numbers and Two Analog Devices If you have two telephone numbers and two analog devices attached to your 3C882 modem you can choose to have both ISDN telephone numbers ring both devices simultaneously For this scenario you would place a checkmark in all four Phone Port boxes as shown in Figure 4 12 Telephone Humber 9085551212 Service Profile Identifier SPID 015551212000 Route Voice Calls to 4 Phone Port 1 Phone Port 2 Number 2 Telephone Number 9095551713 E Enabled Service Profile Identifier SPID 015551213000 9085551212 9085551212 parte voi 9085551213 908 555 1213 Foute Voice Calls to Yi Phone Port 1 iPhone Port 2 Configuring the 3C882 ISDN Modem for a Macintosh Computer 4 11 Figure 4 12 Configuration to ring both ports simultaneously To change the voice call routing setting Specify which Phone port should handle the calls associated with Telephone Number 1 If your ISDN line has two telephone numbers specify which Phone port should handle the calls associated with Telephone Number 2 Click the Update Configuration button to download the change to your 3C882 ISDN modem S register Verifying the Configuration gt Check the status bar located toward the bottom of the C
92. onfiguration dialog box to verify correct configuration If the parameters were configured accurately and the 3C882 ISDN modem is ready to send and receive calls the status bar fields will appear as shown here The TEI number s are not configured by the user The TEI number s are provided by the telephone company for informational purposes only Layer 1 UP SPID 1 Init if required 4 12 CHAPTER 4 CONFIGURATION FOR AN APPLE MACINTOSH COMPUTER m TEI 1 Number from 64 to 126 m SPID 2 Init if required m TEI 2 Number from 64 to 126 if required Before closing the Configuration dialog box do the following 1 Confirm that the Configuration dialog box parameters are correct 2 Click the Update Configuration button if you made any changes to the 3C882 ISDN modem configuration 3 Click Quit to exit the Configuration dialog box This completes the 3C882 ISDN modem configuration Refer to Chapter 5 Advanced Configuration to review the default settings and ensure that they reflect your preferences If you prefer not to change the default settings then go on to Chapter 7 Placing and Receiving Calls Configuring Internet Access for a Macintosh Computer There are two Internet Access Configuration scenarios covered m Open Transport 1 1 or higher with OT PPP m Open Transport 1 1 or higher with FreePPP Set Up Using OT PPP and Open Transport This section describes setting up the 3C882 ISDN modem for use with A
93. or s7comm buf drv Cannot remove TURBOVCD 386 from the SYSTEM INI file Table 8 2 lists Microkey error codes possible causes and possible solutions regarding installation of the Microkey Com Port Accelerator card for Windows 3 x Solution Check the 3COM directory and reinstall the 3C882 ISDN modem software Check the 3COM directory and reinstall the 3C882 ISDN modem software Check the 3COM directory and reinstall the 3C882 ISDN modem software Reinstall the 3C882 ISDN modem software An unknown third party device driver may exist on the computer Please contact 3Com Technical Support for further assistance An unknown third party device driver may exist on the computer Please contact 3Com Technical Support for further assistance An unknown third party device driver may exist on the computer Please contact 3Com Technical Support for further assistance Reinstall the 3C882 ISDN modem software and or contact 3Com Technical Support Reinstall the 3C882 ISDN modem software and or contact 3Com Technical Support Reinstall the 3C882 ISDN modem software and or contact 3Com Technical Support Try to remove these items manually and or contact 3Com Technical Support Restoring the 3C882 ISDN Modem to Autobaud 8 9 Table 8 2 Microkey Error Codes and Their Meaning Error Code 1022 Possible Cause Solution Cannot remove TURBOBUF from the Try to remove these items SYSTEM INI file manually and or con
94. ort on the back of your computer and tighten the connector screws On a PC most COM port connectors are labeled COM SERIAL or RS 232 D On an IBM AT PC and most laptops or notebooks connect the cable to a 9 pin COM port connector If your PC has a 25 pin serial port connector you will need to install a standard 9 pin to 25 pin adapter On a Macintosh computer the COM port is the mini DIN 8 pin serial connector depicted by the telephone handset Installing the ISDN Cable 2 5 Installing the ISDN Cable To install the ISDN cable 1 Connect the RJ 45 8 pin connector end of the RJ 45 RJ 11 ISDN cable to the RJ 45 ISDN line port labeled ISDN U on the 3C882 ISDN modems back panel as shown in Figure 2 5 LP A S gt Q Figure 2 5 ISDN Cable Connection 2 Connect the RJ 11 6 pin connector end of the RJ 45 RJ 11 ISDN cable to the RJ 11 ISDN wall jack A CAUTION An N77 is built into the 3C882 ISDN modem Never connect the 3C882 ISDN modem ISDN port to a standard analog telephone jack or to an external NTT device Make sure that it is connected directly to the ISDN jack Installing Analog Equipment You can connect an analog touch tone telephone answering machine fax machine or external analog modem to the 3C882 ISDN modem You will need an RJ 11 to RJ 11 cable for each analog phone gt port connection To install an analog device 2 6 CHAPTER 2 INSTALLING THE 3C882 ISDN MODEM 1 Inse
95. our moder it not listed or if you have an installation disk click Hawe Disk Manufacturers Models Standard Modern Types Voiceview Modem Types 3Comlmpact Digital Data 3Comlmpact IG aComlmpact IQ 230k 3Comlmpact plus Int Fasmodem Have Disk Back Cancel Figure 3 19 Modem Manufacturers and Models Dialog Box You will only see a 3Com entry if you have previously installed gt a 3Com modem 5 Click Have Disk 6 Select 3Comlmpact IQ for baud rates of up to 115 2K and click Next The 3C882 ISDN modem allows for transfer rates of up to 230 4 Kbps However some computers reguire the installation of additional hardware such as an accelerated serial port card to take advantage of this higher speed Additional configuration steps as well are required Refer to Setup for 230Kbps for instructions 7 Select the appropriate COM port to which your modem is connected 8 Click Next Configure Dial Up Networking 3 23 A dialog box indicates successful setup Click Finish This completes the setup procedure for Windows NT 4 0 Refer to Configure Dial Up Networking below to setup a remote access configuration or continue on to Chapter 5 Advanced Configuration to review the default settings and ensure that they reflect your preferences If you prefer not to change the default settings then go on to Chapter 7 Placing and Receiving Calls Configure Dial Up N
96. p Open TCP IP Figure 4 16 FreePPP Setup Screen NOTE If you do not see the General Accounts or Locations tabs as shown in Figure 4 16 click the diamond on the left hand side of the FreePPP setup screen to the down position 2 Click on the Accounts tab and select New Configuring Internet Access fora Macintosh Computer 4 17 The Account screen will open as shown in Figure 4 17 fe Account M Options Server name Phone number O Dial as long distance C Dial area code Connect Directly haa Edit connection script User name username Password Figure 4 17 FreePPP Account Screen Configure the fields as specified by your Internet service provider Generally you would enter the name of your ISP as the Server Name However you may wish to specify a more unique description to distinguish this particular dial up profile For example you may want to set up two types of connections to the same ISP one for single channel 64 Kbps calls and another for Multilink dual channel 128 Kbps calls In this case you should enter distinguishable names such as ISP 64K and ISP 128K Click the Connection tab at the top of the Account screen The Connection configuration screen will open as shown in Figure 4 18 4 18 CHAPTER 4 CONFIGURATION FOR AN APPLE MACINTOSH COMPUTER E Connection Options Port Speed 115200 bps Flow Control CTS amp RTS DTR w Figure 4 18 FreePPP Connection Screen 5 Choose t
97. pair whether under warranty or not SOFTWARE 3Com warrants that the software programs licensed from it will perform in substantial conformance to the program specifications therefor for a period of ninety 90 days from the date of purchase from 3Com or its Authorized Reseller 3Com warrants the media containing software against failure during the warranty period No updates are provided 3Com s sole obligation with respect to this express warranty shall be at 3Com s discretion to refund the purchase price paid by Customer for any defective software products or to replace any defective media with software which substantially conforms to 3Com s applicable published specifications Customer assumes responsibility for the selection of the appropriate applications program and associated reference materials 3Com makes no warranty or representation that its software products will work in combination with any hardware or applications software products provided by third parties that the operation of the software products will be uninterrupted or error free or that all defects in the software products will be corrected For any third party products listed in the 3Com software product documentation or specifications as being compatible 3Com will make reasonable efforts to provide compatibility except where the non compatibility is caused by a bug or defect in the third party s product STANDARD WARRANTY SERVICE Standard warranty service for hardwar
98. pens 4 Select the location on your hard drive where you would like to install the 3ComImpact IQ folder If you do not want to use the default folder name it may be changed 5 Click Install After the 3Comlmpact IQ ISDN modem software is installed Figure 4 3 will open Configuring the 3C882 ISDN Modem for a Macintosh Computer 4 3 Installation was successful Figure 4 3 Successful Installation Message Box 6 Click OK This completes the software installation Running the SPID Wizard The SPID Wizard automatically detects your telephone company s switch type and configures the SPID s The SPID Wizard automatically runs when you are configuring the 3C882 ISDN modem for the first time if you connect the 3C882 ISDN modem to a different ISDN line or if any of your ISDN line parameters have changed e g an area code Once the ISDN switch type teleohone number s and SPID s have been configured clicking on the 3Com mpact IQ program icon will thereafter directly display the Configuration dialog box shown in Figure 4 9 1 Double click the 3ComImpact IQ program icon shown in Figure 4 4 4Comimpact I0 4 0 4 Figure 4 4 3Comlmpact IQ Program Icon 4 4 CHAPTER 4 CONFIGURATION FOR AN APPLE MACINTOSH COMPUTER The Select Modem Port screen appears as shown in Figure 4 5 sComimpact 10 Installer 3 0 4 Please select the port to which the 4ComIimpact I0 is attached Modem Port Figure 4 5 Select Modem Port
99. phone cable m 25 pin male to 9 pin female serial cable Before You Install the 3C882 ISDN Modem 1 5 m 3 5 inch installation diskettes for PCs running Windows 95 Windows NT or Windows 3 x m 3 5 inch installation diskette for PCs running DOS mw 3 5 inch installation diskette for Macintosh computers m 3Comimpact IQ External ISDN Modem User Guide m 3Comimpact IQ External ISDN Modem Quick Start Instructions m RS232 Serial Port Cable Before You Install the 3C882 ISDN Modem To install and use the 3C882 ISDN modem successfully you must have the following m Correct ISDN service installed at your location with an available ISDN RJ 11 outlet If you have not ordered ISDN service yet see Appendix A a ISDN configuration information Complete the ISDN Information Sheet in the ISDN Information section of this chapter A computer that meets UL standards in the United States or is certified to CSA standards in Canada Refer to the section IBM PC or Compatible Requirements for an IBM or IBM compatible PC Refer to the section Apple Macintosh Requirements for an Apple Macintosh computer m For Macintosh users one 25 pin male to mini DIN 8 pin male serial cable To order a free Macintosh serial cable refer to the information gt enclosed in your 3C882 ISDN modem package If you are supplying your own serial cable ensure that it meets the pin specifications provided in Appendix C 1 6 CHAPTER 1 INTRODUCT
100. plementary Voice Features A 4 Line Configuration for AT amp T 5ESS NI1 A 5 Line Configuration for AT amp T 5ESS Custom A 6 Line Configuration for DMS 100 A 7 Line Configuration for Siemens EWSD A 8 AT Command Set Summary B 1 S Registers B 4 3C882 ISDN Modem Result Codes B 9 Pin Descriptions C 2 PC COM Port Cable Pin Assignments C 3 Macintosh COM Port Cable Pin Assignments C 3 ABOUT THIS GUIDE Introduction This guide describes how to install operate and troubleshoot the 3Comlmpact IQ External ISDN Modem referred to throughout this guide as the 3C882 ISDN modem gt Be sure to read the README TXT or readme files on the applicable software utility diskette for the latest product information How to Use This Guide The following table shows where to find specific information in this guide If you are looking for Turn to General information Chapter 1 Instructions for installation Chapter 2 Instructions for configuration for an IBM or compatible PC Chapter 3 Instructions for configuration for a Macintosh computer Chapter 4 Advanced configuration Chapter 5 Information on supplementary voice features Chapter 6 Instructions for placing and receiving data and voice calls Chapter 7 Troubleshooting tips Chapter 8 Instructions for ordering ISDN service Appendix A Tabular summary of the AT command line set S registers Appendix B and result codes 3C882 ISDN modem specifications Appendix C Instructions for confi
101. pple s Open Transport PPP OT PPP in conjunction with Apple s Open Transport networking software version 1 1 or higher These instructions assume that the pertinent software has already been installed on your system Configuring Internet Access fora Macintosh Computer 4 13 1 Activate the PPP control panel by choosing the Apple menu Control Panels and then PPP The PPP control panel opens as shown in Connect via Modern E Connection i A m Registered User O Guest Name username E Save password Humber 355 5555 Loo p 2 Figure 4 13 PPP Control Panel 2 Configure the PPP control panel as specified by your ISP 3 Open the Modem control panel by choosing the PPP pull down menu and selecting Modem The Modem control panel opens as shown in Figure 4 14 4 14 CHAPTER 4 CONFIGURATION FOR AN APPLE MACINTOSH COMPUTER Connect wia Modem Fort SComlmpact 64k 1 On C4 Off Dialing i Tone 4 Pulse Ignore dial tone Figure 4 14 OT PPP Modem Control Panel 4 Choose the port to which your modem is attached from the Connect via pop up menu Then select the appropriate modem script file from the Modem menu that best matches your dial up criteria For example if your ISP accepts connections at 64Kbps and your computer s COM port can handle speeds up to 115K then you would choose the 3ComImpact IQ 64k 115K modem script gt NOTE Users of Apple s System 7 6 or later must move t
102. r and an Internet service provider Primary Rate Interface A PRI line is one of two access methods to the ISDN In North America each PRI consists of twenty three 64 Kops B channels and one 64 Kbps D channel QuickSelect SPID A built in feature that automatically detects and uses the protocol required for each digital call V 120 or Async Sync PPP Service Profile Identifier If required this number is supplied to you by the telephone company Typically if your ISDN line has only one telephone number a SPID is not required GLOSSARY 5 TollMizer Allows you to place a data call over a voice channel saving the extra cost of the data channel Your telephone company ISP and the device into which you are calling must all support this feature V 120 A rate adaption scheme that converts transmission rates from a range of 300 bps to 115 2 Kbps to the B channel 56 Kbps or 64 Kbps rate V 120 is used for communication between two computers 6 GLOSSARY Numerics 3C882 specifications C 1 A advanced configuration parameters 5 1 analog equipment installation 2 5 analog port placing calls 7 6 receiving calls 7 6 Apple Macintosh requirements 1 6 Async Sync PPP 1 3 AT commands list B 1 placing an ISDN data call 7 2 setting 5 4 AT amp T 5ESS Custom switch A 6 AT amp T 5ESS NI1 switch A 5 Auto Answer 5 3 Autobaud 5 3 B B channel data rate 3 10 4 8 B 5 B channel LEDs 8 5 B1 channel LED 2 3 B2 channel LED 2 3 mon
103. r call has been authenticated you may open any web browser to access the Internet such as Netscape or Microsoft s Internet Explorer 5 ADVANCED CONFIGURATION This chapter presents information to guide you through advanced configuration options available for the 3C882 ISDN modem Advanced Configuration Parameter Default Values gt To change advanced configuration parameter values you will need terminal emulation software which will allow you to use AT commands The Windows 95 and Windows NT operating systems provide HyperTerminal terminal emulation software For Macintosh users terminal emulation software was provided in the 3ComIlmpact IQ folder during software installation The advanced configuration parameters and their default settings are as follows QuickSelect enabled Dynamic Bandwidth Allocation enabled Auto Answer disabled Compression enabled Baud Rate automatic detection of rates up to 115 2 Kbps Each parameter is described in detail in the following sections If the default settings meet your preferences go on to Chapter 7 Placing and Receiving Calls For instructions on sending AT commands refer to the section Changing the Parameter Settings on page 5 4 5 2 CHAPTER 5 ADVANCED CONFIGURATION QuickSelect The QuickSelect feature S71 0 by default automatically detects and implements the protocol required for each digital call either V 120 or Async Sync PPP Typically
104. r calls Note that to place calls to devices which do not support TollMizer you must disable this feature Receiving ISDN Data Calls 7 5 either via the Configuration dialog box or setting S register 61 0 p gt By setting S register 61 1 all outgoing calls will be TollMizer calls Alternatively you can place TollMizer calls on a call by call basis using the command ATDD lt telephone number gt To manually dial a TollMizer call on a call by call basis type the following ATDD lt telephone number gt An example is as follows ATDD 1 908 555 1212 Note that the TollMizer feature is available for Multilink PPP calls as well Before using the TollMizer feature check with your Internet service provider to verify that they support it and that it is enabled The device you are dialing into must be capable of generating id the 2 1 kHz tone needed to disable the echo cancellers on the line Refer to the Readme file located on the software diskette for more information Receiving ISDN Data Calls The 3C882 ISDN modem can receive incoming circuit switched data calls from other 3C882 ISDN modems or from ISDN devices When Auto Answer is disabled SO 0 by default a RING message is delivered to the RS 232 port upon reception of an incoming data call to the 3C882 ISDN modem Enter the command AT A to answer the incoming data call A CONNECT message is then delivered to the RS 232 port upon successful connection 7 6 CHAPTER 7
105. re 3 11 Calls to that telephone number will ring both devices allowing you to answer a call using either device 3 12 CHAPTER 3 CONFIGURATION FOR AN IBM COMPATIBLE PC RUNNING WINDOWS Note that while you are using the fax machine for example you cannot use the telephone to place or receive calls because your ISDN line has only one telephone number Telephone Number 9995551212 Service Profile Identifier SPID 015551212000 Route Yoice Calls to Phone Port 1 V Phone Port 2 Number 2 O Enabled Service Profile Identifier SPID Route Voice Calls to Phone Port 1 Phone Port 2 9085551212 908 555 1212 Figure 3 11 Configuration for One Telephone Number and Two Devices Two Telephone Numbers and Two Analog Devices If you have two telephone numbers and two analog devices attached to your 3C882 modem you can choose to have both ISDN telephone numbers ring both devices simultaneously For this scenario you would place a checkmark in all four Phone Port boxes as shown in Figure 3 12 Telephone Number 90855512712 Service Profile Identifier SPID 015551212000 Route Yoice Calls to V Phone Poti M Phone Port 2 Humber 2 Telephone Number 90855512713 Enabled Service Profile Identifier SPID 015551213000 Route Voice Calls to M Phone Port 1 M Phone Port 2 9085551212 908 555 1212 908 555 1213 908 555 1213 Figure 3 12 Configuration for Two Telephone Numbers and Two Analog Devices
106. ression even if 3C882 compression is enabled AT CO will disable compression Baud Rate By default the baud rate is set to Autobaud B0 Autobaud automatically detects the maximum data rate of your computer s COM port Rates up to 115 2 Kbps can be detected automatically 3Com recommends that you leave 5 4 CHAPTER 5 ADVANCED CONFIGURATION Autobaud enabled unless you want to set the baud rate to 230 4 Kbps The command AT B baud rate is used to set a specific baud rate such as 230 4 Kbps Refer to Appendix B for a list of acceptable values To access the 3C882 Configuration dialog box Autobaud must be enabled If the baud rate is set to a specific rate you will not be able to access the Configuration dialog box Refer to Chapter 8 Restoring the 3C882 ISDN Modem to Autobaud for assistance Changing the Parameter Settings To change parameter settings 1 Launch your communications or terminal emulation software 2 Besure the 3C882 ISDN modem is in command mode sometimes called local mode or terminal mode so that it interprets your commands When powered on the 3C882 ISDN modem automatically gt starts in command mode If you have recently used the 3C882 ISDN modem to make a call and have not yet disconnected type to switch to command mode 3 Type AT lt command gt 4 Press Enter or Return Refer to Table 5 1 for the appropriate command For example to disable compression you would type
107. review the default settings to ensure that they reflect your preferences If you prefer not to change the default settings go on to Chapter 7 Placing and Receiving Calls If you are using Windows 95 Windows NT 3 5 1 or Windows NT 4 0 refer to the appropriate section Setup Using Windows 95 Setup Using Windows NT 3 5 1 RAS or Setup for Windows NT 4 0 for additional instructions For information regarding configuration of the 3C882 ISDN id modem with various Internet access software not included in this User Guide use the 3Com fax service 1 408 727 7021 analog in the U S or visit 3Com s World Wide Web site at http www 3Com com Setup Using Windows 95 3 15 Setup Using Windows 95 This section describes how to set up the 3C882 ISDN modem using Windows 95 Plug and Play These instructions assume that Windows 95 Microsoft Plus and the 3C882 ISDN modem software have already been installed To setup your 3C882 ISDN manually and bypass Windows 95 id Plug and Play refer to the section Setup for Windows NT 4 0 below 1 Reboot your PC with the 3C882 ISDN modem powered up and physically connected to your PC The New Hardware dialog box appears shown in Figure 3 13 Hew Hardware Found Fx Unknown Device Select which driver you want to install for your new hardware O windows default driver O Do not install a driver Windows will not prompt you again Select from a list of alte
108. ription Answers an incoming data call 0 Autobaud default Other settings are 1200 2400 4800 9600 19200 38400 57600 115200 and 230400 Autobaud does not exceed 115200 For 230400 you must send the command AT B230400 to the ISDN modem When enabled compresses data to improve data transfer times using the hi fn compression method CO disables compression C2 enables compression amp CO forces CD to remain on at all times amp C1 forces CD to follow the state of the carrier from the remote system CD turns on after CONNECT message is sent to host default amp C2 forces CD to remain on except temporarily after disconnect Dials an outgoing 56 64 Kbps circuit switched digital connection Table B 1 APPENDIX B AT COMMANDS S REGISTERS AND RESULT CODES AT Command Set Summary continued Command Function Example DD amp D amp F N Q R S Sn ATDD5551234 DTR control AT amp DO AT command echo AT E0 Restore factory defaults AT amp F Hang up AT H Identification AT I Call Logging Enter connect state AT O Result code control AT Q0 Serial port flow control AT Q1 Read all S registers AT R Serial number Read configuration register AT S60 Description Dials an outgoing TollMizer connection amp DO causes ISDN modem to ignore DTR from host amp D1 causes ISDN modem to enter command state on detecting on off transition of DTR
109. rnate drivers Cancel Help Figure 3 13 New Hardware Dialog Box 2 Select the Driver from disk provided by hardware manufacturer option 3 Click OK 3 16 CHAPTER 3 CONFIGURATION FOR AN IBM COMPATIBLE PC RUNNING WINDOWS The Install From Disk dialog box appears as shown in Figure 3 14 Install From Disk x Ingert the manufacturer s matallation disk into Tea the drive selected and then click OK Copy manufacturer s files from En Browse Cancel Figure 3 14 Install From Disk Dialog Box 4 Insert the 3Com mpact IQ Windows Installation Diagnostic Utilities diskette into an available floppy drive 5 Click OK The Select Device dialog box appears as shown in Figure 3 15 Select Device Click the Modem that matches your hardware and then click OF If pou don t know which model you have click OF This list shows only what was found on the installation disk Models 3Comlmpact IO 230K SComlmpact plus Int Fasmoder C Show compatible devices Show all devices Figure 3 15 Select Device Dialog Box Setup Using Windows NT 3 5 1 RAS 3 17 6 Check Show All Devices 7 Select 3Com lmpact IQ for baud rates of up to 115 2Kbps and click Next The 3C882 ISDN modem allows for transfer rates of up to id 230 4 Kbps However some computers require the installation of additional hardware such as an accelerated serial port card to take advantage of this higher speed Additional config
110. roperties Verify your ISP s ISDN access number and your modem selection 7 Click the Server tab The Server Type screen opens as shown in Figure 3 22 Edit Phonebook Entry Figure 3 22 Server Type Screen 10 11 12 13 14 Configure Dial Up Networking 3 29 Choose PPP Windows NT Windows 95 Plus Internet from the Dial up server type drop down box Check TCP IP if you are dialing into an ISP for Internet access If you are accessing a remote network such as a corporate LAN check with your MIS network administrator for the appropriate Network Protocols Click the TCP IP Settings button In most cases your ISP will provide a dynamic IP address if so check Server assigned IP address Enter your DNS and WINS server addresses if required If your ISP has assigned you a dedicated IP address click Specify an IP Address and enter it here Click OK to return to the Phonebook Entry screen Click the Script tab Set Script to None unless otherwise specified by your ISP Click the Security tab Change the Authentication method to Accept any authentication including clear text for PAP authentication or Accept Only Encrypted Authentication for CHAP Click OK The 3C882 ISDN modem does not support Microsoft Encrypted Authentication X 25 is not supported either therefore no changes are required on the X 25 screen This completes the Dial Up Networking setup pro
111. rovided in Table C 3 Table C 3 Macintosh COM Port Cable Pin Assignments 8 Pin DIN Pin Pin Name DB 25 Pin 1 Data Terminal Ready DTR 204 2 Clear to Send CTS 5 3 Send Data SD 2 4 8 Signal Ground GND 7 5 Receive Data RD 3 7 Data Carrier Detect DCD 8 C 4 APPENDIX C SPECIFICATIONS D CONFIGURATION USING DOS Configuration Using DOS To configure the 3C882 ISDN modem for an IBM PC or compatible computer using DOS follow these steps You will need the ISDN Information Sheet you completed in D gt Chapter 1 1 Create a directory on the hard drive and then insert the 3Comlmpact DOS Installation Diagnostic Utilities diskette into the floppy drive of the PC Create a new DOS directory For example to create a directory named 3Com on your C drive at the C gt DOS prompt type md c 3Com 2 Copy the INSTALL EXE and README TXT files from the 3ComImpact DOS Installation Diagnostic Utilities diskette to the hard drive To copy the INSTALL EXE file at the C 3Com prompt type copy a install exe To copy the README TXT file at the C 3Com prompt type copy a readme txt 3 Execute INSTALL from the hard drive At the C gt DOS prompt type INSTALL D 2 APPENDIX D CONFIGURATION USING DOS 10 The configuration program launches and then the Port Settings screen appears To move the cursor around the screen use the Up Arrow and Down Arrow keys To select a parameter use the Space Bar
112. rt one RJ 11 connector to a phone port labeled with a telephone icon on the back of the ISDN modem as shown in Figure 2 6 Figure 2 6 Analog Equipment Connection 2 Insert the other RJ 11 end into the appropriate RJ 11 port on the analog device 3 If you have another analog device to install repeat steps 1 and 2 CAUTION The 3C882 ISDN modem is designed to operate A with telephones that are compatible with the original AT amp T 2500 touch tone telephone standard 3Com guarantees proper operation of compatible touch tone devices that do not exceed a total ringer equivalency number REN of three per analog port The 3C882 ISDN modem is designed to provide power and ringing for these three devices on up to 200 feet of AWG 26 or heavier AWG wiring Although the 3C882 ISDN modem may function satisfactorily at longer cable distances with more than two attached telephones proper operation at longer cable distances is not guaranteed in all situations Installing the Power Cable 2 7 Specialized telephone equipment such as speaker phones that draw large amounts of power may not work on the 3C882 ISDN modem s Phone port Because these devices do not conform to the power specification of the 2500 touch tone telephone standard their operation is not guaranteed Installing the Power Cable To install the power cable 1 Connect the 3C882 ISDN modem power cable to the 9 VDC power connector on the back panel of the ISDN modem as show
113. ructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures m Reorient or relocate the receiving antenna m Increase the separation between the equipment and receiver m Connect the equipment into an outlet on a circuit different from the one which the receiver is connected to m Consult the dealer or an experienced radio TV technician for help The user may find the following booklet prepared by the Federal Communications Commission helpful The Interference Handbook This booklet is available from the U S Government Printing Office Washington D C 20402 Stock No 004 000 00345 4 NOTE In order to maintain compliance with the limits of a Class B digital device 3Com requires that you use quality interface cables when connecting to this device Changes or modifications not expressly approved by 3Com could void the user s authority to operate this equipment Refer to the manual for specifications on cabling types CANADIAN NOTICE The Industry Canada label identifies certified equipment This certification means that the equipment meets certain telecommunications network protective operation and
114. s been disabled i e S76 the third incoming call generates a busy signal to the far end If Call Waiting is enabled and your telephone company has provisioned this feature on your ISDN line you will hear the Call Waiting indicator a click alerting you to an incoming call Refer to Chapter 6 Supplementary Voice Features for further ISDN Call Waiting assistance ISDN Call Logging ISDN Call Logging displays the five latest incoming and outgoing numbers over the data and analog ports To use this feature your ISDN line must support Caller ID Conventional or Analog Caller ID which requires an gt additional external device to monitor incoming calls is not supported by the 3C882 ISDN modem However you must have Caller ID enabled on your ISDN line to utilize the Call Logging feature To view the call log use terminal emulation software to enter the command AT N and then press Enter If there had been any incoming or outgoing calls over the data RS 232 port or analog ports the telephone number of the caller for incoming calls or called party for outgoing calls is displayed followed by a time indicator This time indicator shows the elapsed time between the specific incoming or outgoing call and the time you accessed the log to view the call information For example if you enter AT N and see an incoming call with a time of 7 30 logged this indicates that call was received seven minutes and thirty seconds ago
115. s 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 t Flexible Calling FCO provides 3 Way Calling Call Conference Hold Drop and Transfer from analog equipment attached to the modem Additional Call Offering ACO allows you to use incoming Dynamic Bandwidth Allocation DBA as well as Call Waiting Caller ID is necessary to employ the Call Logging feature If you would like to have Call Logging you must order Caller ID However Caller ID itself which requires an external device to monitor incoming calls is not supported Table A 5 Line Configuration for Siemens EWSD Specification Standard 2B D National ISDN 1 line 2B1Q U interface gt 2 2 2 No packet mode data NOPMD Functional 1 Dynamic No Yest Yes Yes Yestt ttCall Forwarding allows you to forward calls to another telephone number AT COMMANDS B S REGISTERS AND RESULT e CODES The 3C882 ISDN modem AT commands are summarized in Table B 1 S registers in Table B 2 and result codes in Table B 3 AT Command Set Table B 1 summarizes the AT command set for the 3C882 ISDN modem Table B 1 AT Command Set Summary Command Function Example A SB C amp C Answers an incoming circuit switched ISDN modem call AT A Set baud rate AT B57600 Compression Serial port CD control AT amp C2 ATD5551234 Desc
116. serial port for higher baud rates You must have already followed specific setup instructions for operating at 230K If you have not already set up the modem for 230K refer to Setup for 230Kbps for assistance Click Next 3 26 CHAPTER 3 CONFIGURATION FOR AN IBM COMPATIBLE PC RUNNING WINDOWS 10 11 12 13 14 15 16 The Service Provider dialog box opens Enter the name of your ISP and click Next The Phone number dialog box opens Enter the area code telephone number and if necessary the country code of the location you are dialing Click Next The User Name and Password dialog box will open Enter your user name and password and click Next Configure as specified by your ISP and click Next Enter the IP address of your DNS server and click Next Choose the appropriate box to send and receive email through the Internet Then enter your email address e g username isp com and your Internet mail server address Click Next and Finish to exit the Internet Setup Wizard This completes the setup procedure for the Internet Setup Wizard Refer to Chapter 5 Advanced Configuration to review the default settings and ensure that they reflect your preferences If you prefer not to change the default settings then go on to Chapter 7 Placing and Receiving Calls Dial up Networking for Windows NT 4 0 1 To configure Dial Up Networking for Windows NT 4 0 follow these instructions Click S
117. so send or receive a voice telephone call while you are connected to the Internet The 3C882 ISDN modem can be connected to any compatible UL listed computer that includes RS 232 compliant serial ports 3C882 ISDN Modem Features The 3C882 ISDN modem provides the following features Easy Installation and Use SPID Wizard feature for automatic telephone company switch and service profile ID SPID number configuration Single screen point and click user interface for configuration Autobaud feature for automatic baud rate detection of your computer s COM port QuickSelect protocol detection that automatically senses the required protocol either V 120 or PPP for each data call Automatic configuration verification with on line registration On line Help 3C882 ISDN Modem Features 1 3 High Performance m hi fn version 5 compression for data throughput of up to 230 4 Kops which conforms to these IETF RFC s The PPP Compression Control Protocol 1962 and PPP LZS Compression Protocol 1974 m An asynchronous RS 232 D data port for connectivity to IBM or compatible PC and Apple Macintosh serial ports at rates of up to 230 4 Kbps ma Multilink PPP RFC 1990 which creates a single digital network connection of up to 128 Kbps a lollMizer which places a data call over a voice connection saving you the additional charge for a data call m Support for Shiva s Proprietary PPP Password Authentication Protocol SPAP
118. switched voice call in progress If a call is in a dialing state the LED flashes When the call is disconnected the LED goes off Send Data Indicates that information is being transmitted over the serial data port from the computer to the ISDN modem Receive Data Indicates that information is being transmitted over the serial data port to the computer from the ISDN modem Data Terminal Ready Indicates that communication between the ISDN modem and computer has been established Installing a Serial Cable You will need the following type of serial cable For a Macintosh computer you will need a 25 pin male to mini DIN 8 pin male serial cable Refer to the information enclosed in your 3C882 ISDN modem package to order a free cable If you are providing your own serial cable ensure that it meets the pin specifications provided in Appendix C For a PC you will need the 25 pin male to 9 pin female serial cable that was provided For PCs with a 25 pin serial port connector you will need to purchase a standard 9 pin to 25 pin adapter 2 4 CHAPTER 2 INSTALLING THE 3C882 ISDN MODEM To install the 3C882 ISDN modem serial cable 1 Insert the 25 pin male end of a serial signal cable into the RS 232 serial port on the 3C882 ISDN modem s back panel and tighten the connector screws as shown in Figure 2 4 Figure 2 4 Computer to 3C882 ISDN Modem COM Port Connection 2 Connect the other end of the serial cable to a serial COM p
119. t leave the field incomplete and then click Done After successful configuration of your switch type and SPID number s Figure 3 8 appears 3Comlmpact IQ The SPID Wizard configured your basic provisioning parameters Click Finish to complete your 3Comilmpact 10 configuration Figure 3 8 Successful Configuration Dialog Box Configuring the 3C882 ISDN Modem foraPC 3 7 5 Click Finish The on line registration dialog box appears Enter your information and then click Register Now After your information is received the Successful Registration dialog box will open 6 Click OK A message box indicates that you have correctly configured your 3C882 ISDN modem 7 Click No to verify your settings and continue the setup procedure recommended To exit the installation program and leave the default settings click Yes If you clicked No the Configuration dialog box will open as shown in Figure 3 9 3Comlmpact IQ Bom 3Comlmpact IQ External ISDN Modem Telephone Company Switch Firmware Switch Type N11 AT amp T SESS Version 3 10 Telephone Number 908 555 1212 a Service Profile Identifier SPID 90855512120101 Humber 1 56 Kbps 64 Kbps I Phone Poti Phone Port 2 C TollMizer Humber 2 Telephone Number 908 555 1213 F Enabled PPP Service Profile Identifier SPID 90855512130101 N M Multilink Tools Update SPID 1 init TEI 1 64 SPID 2 init TEI 2 73 Figure 3 9 Configuration D
120. tact 3Com Technical Support Restoring the 3C882 ISDN Modem to Autobaud The 3C882 ISDN modem autobauds up to 115 Kbps by default to match your computer s COM port speed If you fixed the baud rate of the modem using the ATSB command and the COM port speed of the connected computer no longer matches that rate or if you have installed a serial port card that allows for transfers up to 230 4 Kbps and have set the baud rate accordingly then you will not be able to communicate with the 3C882 ISDN modem You can restore the 3C882 ISDN modem to autobaud mode by following these steps Use terminal emulation software on the connected computer to set the software at a low baud rate such as 1200 baud Power up the 3C882 ISDN modem and observe the LEDs When the Test LED goes off observe the B1 and B2 LED lights These LEDs should flash momentarily Immediately type the letter a repeatedly from your keyboard until you see the letter a appear on the screen This may take approximately 5 seconds When you see the letter a it indicates that 3C882 ISDN modem is now running autobaud and will adapt itself to the baud rate of your computer s COM port Send the command AT amp W to the 3C882 ISDN modem to save this change 8 10 CHAPTER 8 TROUBLESHOOTING Using On Line Help The following on line help is available For comprehensive information about the 3C882 ISDN modem click the 3Comlmpact IQ Help icon in the 3ComImpact
121. tart Programs Accessories and Dial Up Networking Click New to create a new connection Configure Dial Up Networking 3 27 The New Phonebook Entry screen opens as shown in Figure 3 20 New Phonebook Entry Wizard Dial Up Networking connects you to remote networks using your modem ISDN or other WAN adapter This wizard helps you create a phonebook entry that stores the settings needed to connect to a particular remote network Name the new phonebook entry MyDiallpServe T know all about phonebook entries and would rather edit the properties directly lt Back Cancel Figure 3 20 New Phonebook Entry Wizard If you have not yet configured a Dial Up Networking connection a message will indicate that your phonebook is empty Click OK to add an entry Type a name for your connection and click Next Select I m calling the Internet and click Next Enter your ISP s ISDN access number and click Next Click Finish to close the New Phonebook Entry Wizard The Phonebook entry screen opens as shown in Figure 3 21 3 28 CHAPTER 3 CONFIGURATION FOR AN IBM COMPATIBLE PC RUNNING WINDOWS Dial Up Networking MyDiall pServer New Location Sew More po NewLocation H al dist oe Figure 3 21 Phonebook Entry Screen You now have an opportunity to verify various settings of your Dial Up Networking connection 6 Click More and select Edit entry and modem p
122. tch Caller ID is necessary to employ the Call Logging feature If you would like to have Call Logging you must order Caller ID However Caller ID itself which requires an external device to monitor incoming calls is not supported ttCall Forwarding allows you to forward calls to another telephone number ISDN Line Parameter Tables A 7 NorthernTelecomDMS 100 Switch To order ISDN service for the Northern Telecom DMS 100 switch photocopy and fax Table A 4 to the telephone company Some telephone companies will only provision one analog gt voice port on a DMS 100 switch Check with your telephone company for additional line provisioning information Table A 4 Line Configuration for DMS 100 Required Information Line Type Line Code Interface Type Directory Numbers Circuit Switched Voice Maximum B Channels Circuit Switched Voice Limit Bearer Restriction Option Protocol SPID Suffix Terminal Endpoint Identifier TEI Maximum Keys Ring Key System EKTS Voice or Data Data Option Flexible Call Offering FCO Additional Call Offering ACO Caller ID Call Forwarding Variable Specification Standard 2B D National ISDN 1 line 2B1Q U interface gt 2 2 2 No packet mode data NOPMD Functional version 2 PVC 2 1 Dynamic 64 No No Both Lower layer compatibility Yest Yes Yes Yestt The Directory Number Circuit Switched Voice Maximum B Channels and Circuit Swit
123. tched Data Channel Terminal Type Display Circuit Switched Voice Limit Circuit Switched Data Limit Voice or Data Call Appearance Preference Flexible Call Offering FCO Additional Call Offering ACO Caller ID Call Forwarding Variable Specification Standard 2B D National ISDN 1 line 2B1Q U interface gt 1 gt Yes gt Any 2 Any A Basic Terminal Yes gt 2 Both Idle Yest Yes Yes Yestt The Directory Number Circuit Switched Voice Maximum B Channels and Circuit Switched Voice Limit parameters should be set to 2 to allow both analog ports to be used simultaneously If those parameters are set to 1 the ISDN line can only place or receive one call at a time t Flexible Calling FCO provides 3 Way Calling Call Conference Hold Drop and Transfer from analog equipment attached to the modem Additional Call Offering ACO allows you to use incoming Dynamic Bandwidth Allocation DBA as well as Call Waiting Caller ID is necessary to employ the Call Logging feature If you would like to have Call Logging you must order Caller ID However Caller ID itself which requires an external device to monitor incoming calls is not supported ttCall Forwarding allows you to forward calls to another telephone number APPENDIX A ORDERING ISDN SERVICE AT amp T 5ESS Custom Switch To order ISDN service for the AT amp T 5ESS Custom switch photocopy and fax Table A 3 to the telepho
124. the parties has dropped their call Press and release the switch hook button to return to the previously active call You can then conference a third party as described previously While you try to conference a call the active call will be put on hold to allow you to dial a new call If you hang up the phone before the call is connected the telephone will ring to let you know that you still have a call on hold The call on hold will be disconnected in 6 seconds if the call is not answered Call Drop allows you to remove the last caller to a conference After a conference call has been established simply press and release the flash hook button to drop the last caller added See S register 79 in Appendix B for more Call Drop information Call Transfer Call Transfer is a voice call feature that allows you to transfer a call to a third party This feature can be used whether you have received or have placed the first call Table 6 3 How to Use Call Transfer How Do Place a new call Do This While the first call is active press and release the switch hook button wait for the dial tone and then dial a third party number After the third party has answered press and release the switch hook button to conference all three parties and then hang up the telephone to transfer the call Supplementary Voice Features 6 5 Table 6 3 How to Use Call Transfer How Do Do This Cancel the second call and If the dialed party is bus
125. the section on symptoms and solutions check the following a Verify that the cables are not physically damaged If damage is apparent replace the cable a Verify that the power cord is connected to an electrical outlet and the 3C882 ISDN modem a Verify that the ISDN cable is properly connected to the 3C882 ISDN modem and the ISDN wall jack a Verify that the 3C882 ISDN modem is connected to the proper COM port Note that the DTR LED will indicate successful communication between your communications application and the 3C882 ISDN modem The 3C882 ISDN modem will not operate if connected to an id analog telephone wall jack Make sure that the 3C882 ISDN modem is connected directly into the ISDN wall outlet without connection to any intermediate telephone equipment an NT1 device is not required with the 3C882 ISDN modem Monitoring LEDs If you are experiencing operational inconsistencies monitor the following LEDs to isolate problems Monitoring the TEST LED Press the Reset button and observe the TEST LED During power up self test the TEST LED flashes m fthe LED goes out after the test has been completed the test has been successful m Ifthe TEST LED flashes and remains on for more than a few minutes there is an internal failure Notify your reseller that the 3C882 ISDN modem has failed the self test and order a replacement Monitoring LEDs 8 3 Monitoring the D Channel LED Observe the D channel LED If you
126. uration steps as well are required Refer to Setup for 230Kbps for instructions 8 Click OK This completes the setup procedure for Windows 95 Refer to Configure Dial Up Networking to setup a remote access configuration or continue on to Chapter 5 Advanced Configuration to review the default settings and ensure that they reflect your preferences If you prefer not to change the default settings then go on to Chapter 7 Placing and Receiving Calls Setup Using Windows NT 3 5 1 RAS This section describes how to set up the 3C882 ISDN modem using Windows NT RAS version 3 5 1 Note that these instructions assume that the 3C882 ISDN modem software has already been installed 1 Using the File Manager locate the Windows NT MODEM IMF file in the SystemRoot System32 RAS directory and rename it MODEM ORG For example if your root directory is Windows you would look for the Windows NT MODEM INF file in the following directory C windows System32 RAS 3 18 CHAPTER 3 CONFIGURATION FOR AN IBM COMPATIBLE PC RUNNING WINDOWS 2 Copy the 3C882 ISDN modem MODEM IMF file to the same directory as the MODEM ORG file 3 From the main menu select Control Panel and then select Network The Network Settings dialog box appears as shown in Figure 3 16 Network Settings Computer Name L4ABPC Workgroup WORKGROUP Network Software and Adapter Cards Cancel Bindings Installed Network Software Networks
127. ware 7 2 CHAPTER 7 PLACING AND RECEIVING CALLS Placing Calls Automatically If you are using standard communications software select the 3Comlmpact IQ ISDN modem If the 3Comlmpact IQ ISDN modem is not listed select a Hayes compatible modem configuration and dial out through the 3C882 ISDN modem If you are using a Hayes compatible modem configuration you may have to manually configure settings such as baud rate Refer to your communications software documentation for more details Placing Calls Manually You can place calls manually using AT commands Your communications software must be in terminal emulation mode Follow these steps to use AT commands with the 3C882 ISDN modem If an initialization string is required by the communications software or server use the Hayes default initialization string i In most situations an initialization string is not necessary 1 Launch your communications software 2 Be sure the 3C882 ISDN modem is in command mode sometimes called local mode or terminal mode so that it interprets your commands When your computer is powered on the 3C882 ISDN modem p gt automatically starts in command mode If you have recently used the 3C882 ISDN modem to make a call and have not yet disconnected type to switch to command mode 3 Type AT D lt telephone number gt The 3C882 ISDN modem recognizes the AT command ATD to dial a digital ISDN data call Correct examples of outgoing
128. will be using Place a check mark on the appropriate line on the ISDN Information Sheet on page 1 7 Several features such as Call Waiting and incoming DBA are gt not available on a 5ESS Custom switch If you would like to utilize these services ask the representative if another switch type is available for your ISDN line 6 Ask the ISDN representative to provide the information you need to fill out the rest of the ISDN Information Sheet on page 1 7 This completes the procedure for ordering your ISDN line What Do Need To Support Supplementary Voice Features Release 3 10 and any later releases of the 3CC882 ISDN modem include supplementary voice features To use these features your ISDN line must provide the ability to support these services Refer to Table A 1 to determine what capability your ISDN line needs to support the various services Note that there may be an extra charge for these Services A 4 APPENDIX A ORDERING ISDN SERVICE Some telephone companies may choose to refer to the Flexible Calling features by unique terminology Table A 1 Supporting Supplementary Voice Features To Use This 3ComImpact IQ Voice Feature Ask for This on Your ISDN Line ISDN Call Waiting Additional Call Offering included with Allows you to place a voice call on hold Ordering Code S1 while you answer a second incoming call Call Conference 3 Way Calling Flexible Calling FCO or 3 Way Calling Allows you to add a third
129. y press and release the switch switch back to the first call hook button to cancel the attempted call and reconnect you to the first call If you should hang up the phone will ring back indicating that you have a call on hold If you dialed a wrong number or the far end does not answer hang up the phone to abort the attempted call The phone will then ring indicating that the first call is on hold Answer the phone to reconnect you to the first call If you experience difficulty implementing any of the gt Supplementary Voice Features confirm that you have these features enabled on your ISDN line and that the default Call Conferencing Call Transfer and Call Drop S register values S77 S78 and S79 match the values required by your telephone company ISDN Service from Pacific Bell If your ISDN line has been provisioned through Pacific Bell and you are having difficulty implementing Call Hold Call Drop Call Conference and Call Transfer you may need to make three additional S register changes to take advantage of these Flexible Calling features 1 Contact Pacific Bell and discern the appropriate Call Hold Call Drop Call Conference and Call Transfer key values 2 Launch your terminal emulation software You will need to change the values of S registers 77 78 and 79 3 Send the following command to the 3C882 ISDN modem AT S77 x S78 x 79 x where x is the key value supplied by Pacific Bell and press Enter or

3Com ISDN Modem Network Card User Manual

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