3Com 3C892 - OfficeConnect ISDN Lan Modem Router User Manual
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3Com 3C892 - OfficeConnect ISDN Lan Modem Router User Manual

3Com 3C892 - OfficeConnect ISDN Lan Modem Router User Manual

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http://www.3com.com/
Part No. 984/000023-3
Published February1999
OfficeConnect
ISDN LAN Modem
3C892

User Guide

®

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Summary of Contents for 3Com 3C892 - OfficeConnect ISDN Lan Modem Router

  • Page 1: User Guide

    ® OfficeConnect ® ISDN LAN Modem 3C892 User Guide http://www.3com.com/ Part No. 984/000023-3 Published February1999...
  • Page 2 If there is any software on removable media described in this documentation, it is furnished under a license agreement included with the product as a separate document, or in the hard copy documentation. If you are unable to locate a copy, please contact 3Com and a copy will be provided to you.

  • Page 3: Table Of Contents

    ABLE OF ONTENTS BOUT UIDE How to Use This Guide Conventions Year 2000 Compliance NTRODUCTION Introduction Applications Local Networking with Access to the Internet Local Networking with Access to a Remote Office Local Networking with Access to the Internet and a Remote Office Features ISDN LAN M ODEM...
  • Page 4 ARDWARE ESCRIPTION AND NSTALLATION Package Contents Before You Install the ISDN LAN Modem Front Panel LED Description Back Panel Connector Description Installing the ISDN LAN Modem Before You Begin Installing the ISDN Cable Connecting to a 10BASE-T Ethernet Port Connecting to Another Ethernet Hub Before You Begin Installing Analog Equipment Installing the Power Cable...
  • Page 5 DVANCED ONFIGURATION Before you Begin Setting Up Additional Service Providers ISP versus Private Network When to Select ISP When to Select Private Network Setting Up a Connection to an ISP Before You Begin Setting Up a Connection to the Internet Setting Up a Connection to a Private Network Before You Begin Setting Up a Connection to a Remote LAN...
  • Page 6 UPPLEMENTARY OICE ERVICES Supplementary Voice Services Before You Begin Call Waiting How to Configure Call Waiting How to Use Call Waiting Caller ID Caller ID Caller ID Date and Time Caller ID Blocking Flexible Calling Configuring FCO on the ISDN LAN Modem Flexible Calling Codes Call Conference (Three-Way Calling) Call Transfer...
  • Page 7 Troubleshooting Problems Indicated by LEDs Evaluating Symptoms and Solutions Finding More Information Contacting Technical Support Downloading Firmware to Your ISDN LAN Modem Resetting the ISDN LAN Modem Resetting the ISDN Modem Using a Telephone Reviewing Statistics Understanding System Statistics Understanding ISDN Information Understanding Current Call Information Understanding Last Call Information Understanding Service Provider Information...

  • Page 8: About This Guide

    BOUT UIDE About This Guide provides an overview of this guide, describes guide conventions, and tells you where to look for specific information. This guide describes how to install and configure the OfficeConnect ISDN LAN Modem and provides descriptions of key applications and networking concepts. This guide is intended for end users with no presumed level of expertise.

  • Page 9: Conventions

    The OfficeConnect ISDN LAN Modem is Year 2000 compliant. Specifically, its Year 2000 Compliance system clock is capable of accepting and storing dates including and beyond the year 2000. For information on Year 2000 compliance and 3Com products, visit the 3Com Year 2000 Web page: http://www.3com.com/products/yr2000.html...

  • Page 10: Introduction

    NTRODUCTION This chapter provides an overview of the OfficeConnect ® ISDN LAN Modem, referred to throughout this document as the ISDN LAN Modem. The ISDN LAN Modem is an easy to install, LAN to WAN modem. For the LAN, it Introduction provides four 10BASE-T Ethernet connections—...

  • Page 11: Local Networking With Access To A Remote Office

    1: I HAPTER NTRODUCTION Users can share access to a remote office LAN while continuing to network locally. Local Networking with Access to a Remote Office Remote office ® OfficeConnect ISDN LAN Modem Public telephone LAN STATUS OfficeConnect™ Alert ISDN B1 B2 Tx Coll ISDN LAN Modem...

  • Page 12: Features

    Features Features Ease of Installation and Use SPID Wizard automatic configuration for telephone company switch and service profile ID (SPID) numbers. Web-based, point-and-click user interface for configuration and online help. Automatic configuration verification with Internet connection through your Internet Service Provider (ISP). Firmware updates, user guides and technical notes available on the Web.
  • Page 13 1: I HAPTER NTRODUCTION Bandwidth Management Automatic call connection (also known as dial-on-demand routing). Automatic disconnection of idle calls after a specified length of time. Bandwidth on Demand using Bandwidth Allocation Control Protocol (BACP)/Bandwidth Allocation Protocol (BAP) based on a specified threshold. Dynamic bandwidth allocation (DBA), which allows you to place or receive a voice or data call while a Multilink PPP call is active.
  • Page 14 Compatibility with Lucent, Northern Telecom and Siemens switches. Security PAP, CHAP and MS-CHAP support on both single-channel and Multilink PPP calls. Upgradability Flash memory for field firmware updates. Firmware posted on 3Com’s Web site. Diagnostics LED status display. Statistics display. Warranty Lifetime Limited Warranty (refer to the back of this User Guide for details).
  • Page 15 1: I HAPTER NTRODUCTION...

  • Page 16: Isdn Lan Modem

    ISDN LAN M ODEM UNCTIONALITY ESCRIPTION This chapter provides a description of the key functionality of the ISDN LAN Modem. It includes the following topics: Connection Types Call Routing Protocol and IP Address Translation Understanding Multilink PPP and Bandwidth on Demand Understanding Dynamic Bandwidth Allocation Understanding PPTP For a basic understanding of ISDN and networking, refer to Appendix A.

  • Page 17: Application Sharing Over The Lan

    2: ISDN LAN M HAPTER ODEM UNCTIONALITY ESCRIPTION OfficeConnect ® ISDN LAN Modem LAN STATUS Alert ISDN B1 B2 Tx Coll Figure 5 ISDN LAN Modem Single Workstation Connection Example Application Sharing over the LAN Most operating systems such as Windows 98 and 95 and Macintosh provide the capability for users on the LAN to share applications, files and printers among computers.

  • Page 18: One High Speed Connection To A Single Location

    Connection Types Alternatively, the B channels can be combined using Multilink PPP to form one One High Speed high-speed connection to a single location. Figure 7 shows a single high-speed Connection to a Single connection to a remote office LAN. Location Jerry's PC Remote office...

  • Page 19: Call Routing Protocol And Ip Address Translation

    2: ISDN LAN M HAPTER ODEM UNCTIONALITY ESCRIPTION Call Routing Protocol This section describes the call routing protocol used by the ISDN LAN Modem and explains how IP addresses are translated. and IP Address Translation To illustrate how the ISDN LAN Modem routes outgoing data calls, let us assume Placing a Call to a that you have set up the following types of service providers.

  • Page 20: Call Routing While One Call Is Already Connected

    Understanding Multilink PPP and BACP/BAP Rob's PC Internet/Intranet or 192.168.1.2 Translates PC IP online service IP address addresses to IP assigned by ISP address assigned by ISP ISDN BRI line 198.6.1.1 Public telephone network LAN STATUS Laura's PC OfficeConnect™ Alert ISDN B1 B2 Tx Coll...

  • Page 21: Multilink Ppp Configuration Options

    2: ISDN LAN M HAPTER ODEM UNCTIONALITY ESCRIPTION and agrees to use BAP, then the Bandwidth Allocation Protocol (BAP) negotiates the addition and removal of the second B channel with the peer equipment based on a user-defined threshold. A key advantage of BACP/BAP is that it provides a higher probability of establishing a Multilink PPP call during high traffic conditions by providing a specific telephone number for the second B channel to call.

  • Page 22: Understanding Vpns And Pptp

    In order to establish a tunnel, the client side must be able to dial into a PPTP tunnel Setting Up the Server server on the remote private network such as 3Com’s NETBuilder, PathBuilder, and Side of the Tunnel Total Control Hub as well as Microsoft’s Windows NT server version 4.0 or later. If you use Windows NT 4.0, then Service Pack 3 or greater and RAS must be...

  • Page 23: For Windows Dial-Up Networking Users

    Each workstation that wishes to have access to the remote private LAN will need to create its own tunnel. For more information, refer to: http://www.remoteaccess.3com.com/support/docs/lanmodem/ welcome.html For specific instructions on how to configure a VPN adapter in Windows 98, 95 or Windows NT, refer to Microsoft’s Web site at...

  • Page 24: Hardware Description And Installation

    RJ-45 outlet. If you have not yet ordered ISDN service, refer to Appendix E. A JavaScript-enabled and frames-capable Web browser. A Web browser is provided on the 3Com Companion Programs CD-ROM. (For more information refer to Appendix B.) If you use a different Web browser, make sure that it supports frames such as Netscape 2.1 and later and Internet Explorer 3.0 and...

  • Page 25: Front Panel Led Description

    3: H HAPTER ARDWARE ESCRIPTION AND NSTALLATION Front Panel LED The front panel provides the following LEDs. Description LAN STATUS ISDN LAN Modem ISDN POWER TX COLL 1 Alert 3C892 Figure 11 ISDN LAN Modem Front Panel The functions of the front panel LEDs are described in Table 4. These front panel LEDs show whether or not the unit is functioning properly and indicate the status of the activity over the 10BASE-T and ISDN ports.

  • Page 26: Back Panel Connector Description

    Installing the ISDN LAN Modem The back panel provides the following components. Back Panel Connector Description 10-18 VDC RESET 0.8 A MAX ISDN 1 PHONE 2 Four Ethernet ISDN Power Two Analog Reset Button Telephone Ports 10Base-T Connectors BRI Interface Connector Figure 12 ISDN LAN Modem Back Panel From left to right the back panel consists of the following.

  • Page 27: Installing The Isdn Cable

    3: H HAPTER ARDWARE ESCRIPTION AND NSTALLATION To install the ISDN cable: Installing the ISDN Cable 1 Connect the RJ-45 (8-pin) connector end of the ISDN cable to the port labeled ISDN on the back panel, as shown in Figure 13. I S D 1 0 - 0 .

  • Page 28: Connecting To Another Ethernet Hub

    Installing the ISDN LAN Modem CAUTION: You should only have one computer physically connected to the ISDN LAN Modem during configuration. Once you complete the configuration process, connect any other computers you would like to have on the LAN and then power cycle each computer.

  • Page 29: Installing Analog Equipment

    3: H HAPTER ARDWARE ESCRIPTION AND NSTALLATION You can connect an analog touch-tone telephone, answering machine, fax Installing Analog machine, or external analog modem to the ISDN LAN Modem. You will need an Equipment RJ-11 to RJ-11 cable that is supplied with the analog device for each analog phone port connection.

  • Page 30: Installing The Power Cable

    Wall Mounting the ISDN LAN Modem To install the power cable: Installing the Power Cable 1 Connect the ISDN LAN Modem power module cable to the 10-18 VDC power connector on the back panel of the ISDN LAN Modem, as shown in Figure 17. I S D 1 0 - 0 .

  • Page 31: Using Rubber Feet And Stacking Clips

    3: H HAPTER ARDWARE ESCRIPTION AND NSTALLATION WARNING: Only wall mount single units. Do not wall mount stacked OfficeConnect units. Using Rubber Feet and Stacking Clips Attach the feet to the marked areas at each corner of the underside of your ISDN LAN Modem to stabilize your ISDN LAN Modem and prevent sliding.

  • Page 32: Setting U Ptcp/Ip For Windows And Macintosh

    TCP/IP ETTING INDOWS ACINTOSH This chapter describes how to set up the Windows and Macintosh operating system (OS) TCP/IP stack. Your computer must have a TCP/IP stack in order to use the ISDN LAN Modem. If you already have TCP/IP installed and set up on your computer, then go on to Chapter 5.
  • Page 33 4: S TCP/IP HAPTER ETTING INDOWS AND ACINTOSH Figure 20 Select Network Component Type Dialog Box 3 Select Protocol and then click Add. The Select Network Protocol dialog box appears. Figure 21 Select Network Protocol Dialog Box 4 From the Manufacturers list box, select Microsoft, and then from the Network Protocols list box, select TCP/IP.
  • Page 34 TCP/IP Setup Using Windows 98 and Windows 95 Figure 22 Network Dialog Box 8 From the TCP/IP Properties dialog box, select the IP Address tab. Figure 23 TCP/IP Properties Dialog Box 9 Most users need to select Obtain an IP address automatically because most LANs use dynamic IP addresses.

  • Page 35: Tcp/Ip Setup Using Windows Nt

    4: S TCP/IP HAPTER ETTING INDOWS AND ACINTOSH Figure 24 Advanced Parameters of TCP/IP Properties 11 Click OK to close the TCP/IP Properties dialog box. 12 Click OK to close the Network dialog box. 13 Restart Windows 98 or 95 to let these changes take effect. Windows NT 4.0 provides TCP/IP as part of its standard operating system.
  • Page 36 TCP/IP Setup Using Windows NT 4.0 Figure 25 Windows NT Protocols Configuration Window 3 Click Add. The Select Network Protocol dialog box appears as shown in Figure 26. Figure 26 Select Network Protocol Dialog Box 4 Select TCP/IP Protocol and then click OK. The following message appears.
  • Page 37 4: S TCP/IP HAPTER ETTING INDOWS AND ACINTOSH Figure 28 Network Protocols Group Box 8 Click Close. The Microsoft TCP/IP Properties window appears, as shown in Figure 29. Figure 29 Microsoft TCP/IP Properties Window 9 From the Adapter drop down list box, select the Ethernet card that is connected to the ISDN LAN Modem.

  • Page 38: Tcp/Ip Setup Using Mac Os 7.6 Or Later

    TCP/IP Setup Using Mac OS 7.6 or later If you are using Macintosh operating system version 7.6 or later, Open Transport TCP/IP Setup Using (OT) PPP is provided and installed by default. If you did not install OT PPP when Mac OS 7.6 or later you installed your system software, perform a custom installation of your system software and install OT PPP version 1.1 or later.

  • Page 39: Tcp/Ip Setup Using Windows 3.11

    To set up MS_TCP, do the following. Setting Up TCP/IP Using MS TCP 1 Install MS_TCP, located on the 3Com Companion Programs CD-ROM, onto your hard drive. 2 From the Program Manager, click Network. Figure 31 Program Manager Group Box 3 From the Network group box, click Network Setup.
  • Page 40 TCP/IP Setup Using Windows 3.11 Figure 33 Network Setup Dialog Box 9 After the installation is complete, click Close. 10 Click OK. 11 From the MS TCP/IP Configuration dialog box, check the Enable Automatic DHCP Configuration check box and then click OK. 12 Restart your PC to allow the changes to take effect.
  • Page 41 4: S TCP/IP HAPTER ETTING INDOWS AND ACINTOSH...

  • Page 42: Cisdn Lan M

    ISDN LAN ONFIGURING THE ODEM This chapter describes how to configure the ISDN LAN Modem for the typical configuration. The typical configuration covers the basic setup and includes what most users need to get up and running. It provides instructions for setting up your ISDN line and connecting to the Internet.

  • Page 43: You Should Have This Information

    5: C ISDN LAN M HAPTER ONFIGURING THE ODEM CAUTION: You should only have one computer physically connected to the ISDN LAN Modem during configuration. Once you complete the configuration process, connect any other computers you would like to have on the LAN and then power cycle each computer.

  • Page 44: Setting Up Your Computer If You Have A Static Ip Address

    Before You Begin If your computer has a static IP address, you must verify and possibly change some Setting Up Your settings on your computer before you begin the configuration procedure. The Computer If You Have a ISDN LAN Modem must be your gateway and one of your DNS servers. Follow the Static IP Address procedure in the appropriate section to make sure that this is the case.

  • Page 45: For Macintosh Users

    5: C ISDN LAN M HAPTER ONFIGURING THE ODEM You are asked to restart your computer. 11 Click OK. For Macintosh Users 1 From the Apple menu, open Control Panels. Double-click TCP/IP. 2 Choose Ethernet from the Connect via drop-down list box, if not already chosen. The Configure drop down list box should be set to Manually if you are on a static network.

  • Page 46: Configuring The Isdn Lan Modem For The Typical Configuration

    Configuring the ISDN LAN Modem for the Typical Configuration To configure the ISDN LAN Modem for the typical configuration, do the following. Configuring the ISDN If you are using static IP addressing, you may need the IP address which you LAN Modem for the recorded previously in the “Setting Up Your Computer If You Have a Static IP Typical Configuration...
  • Page 47 5: C ISDN LAN M HAPTER ONFIGURING THE ODEM Figure 36 Set Password Window 3 Enter a password in the Password field and then enter the same password in the Password (repeat) field to confirm it. If you do not wish to enter a password, leave the fields empty.
  • Page 48 Configuring the ISDN LAN Modem for the Typical Configuration If you have not ordered your ISDN line, click Abort and then Click Yes to confirm that you want to abort the SPID Wizard program. The ISDN LAN Modem configuration main page appears. After you have an ISDN line installed, refer to “Setting Up Your ISDN Line Manually”...
  • Page 49 For all the latest, up to date information about your ISDN LAN Modem, visit http://www.remoteaccess.3com.com/support/docs/lanmodem/welcome.html If you cannot access a Web site and your computer has a static IP address, refer to “Configuring a Static IP Address on the ISDN LAN Modem.”...

  • Page 50: Configuring A Static Ip Address On The Isdn Lan Modem

    IP address on the ISDN LAN Modem. To correct this, do the following. 1 Enter the following URL in your Web browser: http://3com.oc.lanmodem/ 2 From the ISDN LAN Modem’s main configuration page click on the ISDN LAN Modem icon in the illustration.

  • Page 51: Isdn Lan Modem Main Page

    5: C ISDN LAN M HAPTER ONFIGURING THE ODEM ISDN LAN Modem The ISDN LAN Modem main page is shown in Figure 39. From this page you can access configuration parameters as well as place and receive calls. Main Page Bookmark this page for easy access.

  • Page 52: Links From The Buttons

    ISDN LAN Modem Main Page Home: Jumps to the main configuration page of the ISDN LAN Modem. Links from the Buttons SPID Wizard: Activates the SPID Wizard if you need to run it again. ISP Wizard: Allows you to configure an ISP. If you already configured an ISP using the ISP Wizard, and then you run ISP Wizard again, the latest ISP will overwrite the previous one.

  • Page 53: Advanced Configuration

    WebWizard. To access the WebWizard (also referred to as the ISDN LAN Modem main configuration page), do the following. If you are using the ISDN LAN Modem custom Web browser, click Configure Modem to configure additional parameters. If you are not using the ISDN LAN Modem Web browser, enter: http://3com.oc.lanmodem...

  • Page 54: Setting Up Additional Service Providers

    6: A HAPTER DVANCED ONFIGURATION Setting Up Additional A service provider is a location outside of your LAN that you would like to access from your LAN, such as an ISP for access to the Internet or a private network such Service Providers as a remote office LAN.

  • Page 55: When To Select Private Network

    Setting Up Additional Service Providers When to Select Private Network Select private network when you want to connect directly to a remote, private LAN such as a corporate network, shown in Figure 41. For instance, if you want to dial into your main office from home in order to access the servers at your office for e-mail, printing, and so on, then select private network as the type of service provider you want to configure.
  • Page 56 6: A HAPTER DVANCED ONFIGURATION Figure 42 ISP Service Provider Selection Window 3 Click Select. The Internet Service Provider Parameters window appears. Figure 43 ISP Parameters Window 4 In the Name field, enter a name for this remote destination, such as the name of the ISP.
  • Page 57 Setting Up Additional Service Providers 6 In the Alternate Number field, you can either enter an alternative number or, if required by your ISP, a second telephone number to establish a Multilink PPP call. To enter a second, alternative telephone number for your ISP that will be automatically dialed (if, for example the first number is busy) select Alternate and then enter the telephone number in the Number field.

  • Page 58: Setting Up A Connection To A Private Network

    6: A HAPTER DVANCED ONFIGURATION are being connected unintentionally as a result of packets generated by your workstations. 15 For Enable Intelligent NAT, leave the default setting, which is Yes, in order for the LAN Modem to better support Internet applications and games. The ISDN LAN Modem delivers all unsolicited TCP/UDP packets to the workstation that is currently communicating with the remote host that has generated these packets.
  • Page 59 Setting Up Additional Service Providers Figure 44 Private Network Service Provider Selection Window 2 Select New Private Network from the drop-down list box and then click Select. The Private Network Parameters window appears. Figure 45 Private Network Parameters Window...
  • Page 60 6: A HAPTER DVANCED ONFIGURATION 3 In the Name field, enter a name for this remote destination, such as the name of the location of the office. You may want to add an additional description if you have more than one account with this private network. 4 In the Telephone Number 1 field, enter the telephone number you must dial in order to reach this remote office.

  • Page 61: Associating Service Providers With Workstations On The Lan

    Setting Up Additional Service Providers 12 Under Miscellaneous, indicate whether or not you would like to use data compression when transferring data by selecting the appropriate radio button. 13 Under Miscellaneous, leave the default, NAT enabled, unless you are certain you want to disable it.

  • Page 62: Editing Service Provider Profiles

    6: A HAPTER DVANCED ONFIGURATION IP Address: This field contains the IP address of the workstation you selected. You should not have to make any changes to this field unless you are using static IP addresses (that is, IP addresses which are not dynamically assigned by the ISDN LAN Modem).

  • Page 63: Restricting Workstations From Accessing Service Provider(S)

    Restricting Workstations from Accessing Service Provider(s) If you want to restrict a workstation(s) on the LAN from accessing a service Restricting providers(s), do the following. Workstations from Accessing Service Provider(s) 1 click Workstation Parameters from the ISDN LAN Modem home page. 2 Select the workstation from which you want to limit access.

  • Page 64: Ip Address And Subnet Mask

    6: A HAPTER DVANCED ONFIGURATION IP Address and Subnet Mask The IP address is a unique address which identifies the ISDN LAN Modem on a network. The default address (192.168.1.1) is a private IP address which will be translated automatically by the ISDN LAN Modem for Internet access. You should leave the default unless you are certain that this value must be changed.

  • Page 65: Configuring The Lan Parameters

    Changing Data Call Parameters To configure LAN parameters, do the following. Configuring the LAN Parameters 1 From the ISDN LAN Modem main page, click the ISDN LAN Modem graphic. 2 In the IP Address field, review the default and enter a different IP address if required.

  • Page 66: Understanding Data Call Parameters

    6: A HAPTER DVANCED ONFIGURATION The Data Call Parameters window, shown in Figure 47, contains the following Understanding Data Call fields. Parameters Figure 47 Data Call Parameters Window Minimum Call Duration The minimum call duration is the minimum length of a call that is measured and must be satisfied before a call is disconnected.

  • Page 67: Connect/Disconnect Threshold For The Second B Channel

    Changing Data Call Parameters Connect/Disconnect Threshold for the Second B Channel If you specified that you want to use the second B channel only when needed, indicate the percentage of bandwidth utilization on the first B channel which must be reached before the second B channel is allocated, or below which the first B channel must fall before the second B channel is removed.

  • Page 68: Changing Voice Call Routing

    6: A HAPTER DVANCED ONFIGURATION Changing Voice Call This section describes how calls are routed to analog equipment attached to the ISDN LAN Modem’s voice ports and provides instructions for changing the way Routing voice calls are routed. By default, incoming voice calls to telephone number 1 are routed to Phone port Understanding How 1, and incoming voice calls to telephone number 2 are routed to Phone port 2.

  • Page 69: Reserving Dhcp Addresses

    Reserving DHCP Addresses 2 Specify which Phone port should handle calls associated with Telephone Number 1 by checking the appropriate phone port box. 3 If your ISDN line has two telephone numbers, specify which phone port should handle calls associated with Telephone Number 2. 4 Click Submit.

  • Page 70: Changing Your Password

    6: A HAPTER DVANCED ONFIGURATION Changing Your To change the password you defined as part of the initial setup to restrict access to the ISDN LAN Modem, do the following. Password 1 From the ISDN LAN Modem main page, click the Password button. 2 Enter your new password in the Password field.

  • Page 71: Locking And Unlocking The Configuration

    Locking and Unlocking the Configuration To set up your ISDN connection, do the following. 1 From the ISDN LAN Modem main page, click ISDN Parameters. The ISDN Parameters window appears. Figure 51 ISDN Parameters Screen 2 From the ISDN Switch Type drop-down list box, select the ISDN Switch Type required by your telephone company.

  • Page 72: Configuring The Isdn Lan Modem From A Remote Location

    6: A HAPTER DVANCED ONFIGURATION To unlock the configuration, do the following. 1 Click Continue. The Enter Password window appears. 2 Enter your password to access the ISDN LAN Modem configuration program. 3 Click Submit. The ISDN LAN Modem main configuration page appears. This section provides instructions for dialing into to your ISDN LAN Modem from a Configuring the ISDN remote location using either another LAN Modem or an ISDN modem, in order to...
  • Page 73 Configuring the ISDN LAN Modem from a Remote Location 7 Right click this new icon with your right mouse button and choose Properties. 8 Click the Server Type tab. For Windows 95 users: PPP, Windows 95, Windows NT 3.5, Internet should be chosen in the Type of Dial-Up Server list box.

  • Page 74: Supplementary Voice Call Services

    UPPLEMENTARY OICE ERVICES The ISDN LAN Modem supports the following supplementary voice services. Supplementary Voice Services Call Waiting Caller ID Call Conference (Three-Way Calling) Call Transfer Voice Mail (Message Service) Caller ID Name Display Call Forwarding In order to use these services, they must also be supported on your ISDN line. Before You Begin Refer to Appendix E for ordering codes which support these features and then call your telephone company if you want to have these services added.

  • Page 75: Call Waiting

    How to Configure Call Waiting 1 Go to the ISDN LAN Modem’s main configuration page http://3com.oc.lanmodem/ 2 Click ISDN Parameters. 3 Locate Call Waiting Enable, and then clear the check box for the port(s) for which you want Call Waiting disabled, or check the box for the port(s) for which you want Call Waiting enabled.

  • Page 76: How To Use Call Waiting

    Call Waiting To use Call Waiting, do the following. How to Use Call Waiting Table 1 How to Use Call Waiting How Do I Do This Answer a call using Call When you hear the Call Waiting tone, press and release the Waiting? switch hook button to put the first call on hold and connect to the second call.

  • Page 77: Caller Id

    ISDN LAN Modem that has the correct date and time and then power cycle the ISDN LAN Modem. Once it is powered up, launch your Web browser and go to the ISDN LAN Modem’s main page at http://3com.oc.lanmodem/ To allow or prevent your telephone number from being displayed on a remote Caller ID Blocking Caller ID device, do the following.

  • Page 78: Flexible Calling

    Call Transfer from telephones connected to either ISDN LAN Modem phone port. To enable or disable Flexible Calling, do the following. 1 Go to the ISDN LAN Modem’s main configuration page http://3com.oc.lanmodem/ 2 Click ISDN Parameters. 3 Next to Flexible Calling Enable, select the telephone number check box(es) for which you would like Flexible Calling enabled.

  • Page 79: Call Conference (Three-Way Calling)

    7: S HAPTER UPPLEMENTARY OICE ERVICES Call Conference Call Conference (also referred to as Three-Way Calling or TWC) allows you to add another party to an existing call. This feature can be used whether you have (Three-Way Calling) received or have placed the first call. You cannot conference two incoming calls.

  • Page 80: Message Service/Voice Mail

    ISDN LAN Modem. To change the default setting, do the following. 1 Go to the ISDN LAN Modem’s main configuration page http://3com.oc.lanmodem/ 2 Click ISDN Parameters. 3 Locate Message Service Enable, and then select the check box for the telephone number(s) for which you want Message Service enabled, or clear the boxes for the telephone number(s) for which you want Message Service disabled.
  • Page 81 7: S HAPTER UPPLEMENTARY OICE ERVICES...

  • Page 82: Placing , Receiving And Disconnecting Calls

    3Com assumes no liability for phone charges or other expenses incurred in connection with the use of this product. To place a call using one of the service provider connections you set up, simply Placing a Call launch the application.

  • Page 83: Placing A Call Manually To An Existing Service Provider

    8: P HAPTER LACING ECEIVING AND ISCONNECTING ALLS Placing a Call You can also manually place a call to an existing service provider or to a destination that has not been previously defined as long as the remote location Manually provides an IP address dynamically during call setup.

  • Page 84: Participating In A Temporary Call

    Receiving Calls 9 Specify the B channel rate or select TollMizer. Leave the B channel rate set to 64 Kbps unless your telephone company and the locations you will be connecting to only support 56 Kbps. TollMizer sends a data call over a voice circuit allowing you to save the typical cost difference between a voice and data call.

  • Page 85: Receiving Voice Calls

    By default this feature is disabled. To enable, do the following. 1 Go to the ISDN LAN Modem’s main configuration page: http://3com.oc.lanmodem/ 2 Click ISDN Parameters. 3 Locate Distinctive Ringing and then click the box labeled Enable.

  • Page 86: Disconnecting Calls Automatically Using Timers

    Disconnecting Data Calls There are a number of ways by which you can configure calls to be disconnected Disconnecting Calls automatically. You can set timers and disconnect thresholds from the Data Call Automatically Using Parameters window. Specifically, the parameters you can set are as follows. Timers Minimum Call Duration Enter the minimum length of a call that is measured before the ISDN LAN Modem...
  • Page 87 8: P HAPTER LACING ECEIVING AND ISCONNECTING ALLS...

  • Page 88: Troubleshooting And Maintenance

    ROUBLESHOOTING AND AINTENANCE This chapter explains how to isolate and solve problems encountered with the ISDN LAN Modem. Problems may stem from incorrect option settings or improper installation. This chapter covers the following main topics. Checking the basics Monitoring the LEDs Evaluating symptoms and solutions Finding more information Contacting technical support...

  • Page 89: Monitoring Leds

    9: T HAPTER ROUBLESHOOTING AND AINTENANCE Monitoring LEDs If you are experiencing operational inconsistencies, monitor the ALERT, ISDN, B channel and LAN port status LEDs to isolate problems. Refer to Table 5 for instructions to resolve the problem. Press and release the Reset button and observe the ALERT LED. During power-up Monitoring the ALERT self-test, the ALERT LED will remain lit.

  • Page 90: Troubleshooting Problems Indicated By Leds

    **3265# from a telephone connected to a LAN Modem phone port Upon power up, both A previous firmware download Download the firmware. Refer to the ALERT and ISDN was not completed successfully. http://www.remoteaccess.3com.com/support/ LEDs flash. for firmware docs/lanmodem/welcome.html download instructions. ALERT, ISDN OK, B1, Firmware download process was Do not remove power plug.

  • Page 91: Evaluating Symptoms And Solutions

    If you are using Netscape, launch your Web browser. From the Options menu, select General Preferences. From Browser Starts With, select Home Page Location and then enter a URL such as http://www.3com.com. Your Web browser may be configured to use a proxy server, instead of the LAN Modem.
  • Page 92 Evaluating Symptoms and Solutions Table 6 Symptoms, Causes, and Solutions Symptom Possible Cause Solution ISDN LAN Modem has assigned From another computer attached to the ISDN LAN all available IP addresses. Modem, go to the LAN Modem’s main configuration page. Click Workstations. Select the name of computer you removed and then click Select.
  • Page 93 9: T HAPTER ROUBLESHOOTING AND AINTENANCE Table 6 Symptoms, Causes, and Solutions Symptom Possible Cause Solution Calls from the analog port may From the Call Routing window, check the Phone Port 1 be blocked. and Phone Port 2 boxes which are used for voice call routing.
  • Page 94 ISDN LAN Modem and then turn the LAN Modem power off and then on again. Once it is powered up, launch your web browser and go to the LAN Modem's main page at http://3Com.oc.lanmodem/ Cannot place a call over the Modem mistakes analog phone...
  • Page 95 9: T HAPTER ROUBLESHOOTING AND AINTENANCE Table 6 Symptoms, Causes, and Solutions Symptom Possible Cause Solution Attempted to place a voice call Contact you telephone company if you want to have over a directory number that is simultaneous voice and data on both B channels. already in use for a data call.
  • Page 96 Evaluating Symptoms and Solutions Table 6 Symptoms, Causes, and Solutions Symptom Possible Cause Solution Sending e-mail is occasionally A limitation of NAT, the SMTP Co-ordinate the sending of your e-mail with the other slow when more than one server uses a different port workstations, or have each workstation use a different workstation is sending e-mail number than the one requested...

  • Page 97: Finding More Information

    For more information about the ISDN LAN Modem, such as frequently asked questions and specific technical notes go to the following URL: Information http://www.remoteaccess.3com.com/support/docs/lanmodem/welcome.html and then bookmark this site for quick and easy access. If you are using the ISDN LAN Modem custom browser, click Updates from the menu bar.

  • Page 98: Reviewing Statistics

    Reviewing Statistics 4 Reconnect the ISDN cable. 5 Restart your computer. 6 Launch your Web browser. The ISDN LAN Modem begins its initial setup sequence. Reviewing Statistics Various statistics about LAN and WAN parameters are stored and available for review. To view statistics, do the following.

  • Page 99: Understanding Isdn Information

    9: T HAPTER ROUBLESHOOTING AND AINTENANCE The ISDN statistics provided are as follows. Understanding ISDN Information Layer 1 status: Indicates whether layer 1, the physical connection, of the ISDN line is up or down. If layer 1 remains down after you attempt to place a call, there may be a problem with your ISDN line.

  • Page 100: Understanding Last Call Information

    Reviewing Statistics Table 10 Current Call Information Description Current Call For This Call Information Type Description Calling telephone or Voice or data For an incoming voice or data call, indicates the port number telephone number of the calling party. For an outgoing voice call, indicates the port from which the call was placed.

  • Page 101: Understanding Service Provider Information

    9: T HAPTER ROUBLESHOOTING AND AINTENANCE For This Call Last Call Information Type Description Called telephone Voice or data For the last outgoing data call, indicates the telephone number number dialed to reach the service provider for the current call. For the last incoming voice or data call, indicates the telephone number dialed from the far end.

  • Page 102: Etworking Primer

    ETWORKING RIMER This chapter provides a description of basic networking concepts and terminology to help you better understand the key functionality of the ISDN LAN Modem. A network is a set of computers and other devices such as printers, modems, and What is a network? scanners that are connected together either directly via physical cables or indirectly via dial-up telephone services.
  • Page 103 A: N PPENDIX ETWORKING RIMER You can connect a LAN to a WAN through a number of devices such as a router or How does a LAN connect a bridge that can place a call to the remote LAN using a dial-up telephone service to a WAN? such as ISDN.
  • Page 104 What is a network? Internet/Intranet or online service B channel 1 Remote office ¤ OfficeConnect B channel 2 ISDN LAN Modem B channel 1 Public telephone B channel 2 LAN STATUS OfficeConnect ® Tx Coll Alert ISDN B1 B2 ISDN LAN Modem network ISDN BRI line Figure 56 Two Simultaneous Connections...
  • Page 105 A: N PPENDIX ETWORKING RIMER An IP address is a 32 bit address used by TCP/IP to uniquely identify the location of What is an IP Address? a device on a network. Note that the IP address does not refer to the device itself. If, for example, you relocate a PC to another area of the same network, you may need a new IP address.
  • Page 106 What is a network? Dynamic Host Configuration Protocol automatically assigns a unique, temporary IP What is DHCP? address to a newly attached computer on an IP network. Domain Name Service translates the common alphabetic name into the numeric IP What is DNS? address.
  • Page 107 A: N PPENDIX ETWORKING RIMER...

  • Page 108: Sing The Custom Web Browser

    An Internet Explorer Web browser tailored for use with your ISDN LAN Modem is provided on the 3Com Companion Programs CD-ROM. You may prefer to use this browser as it has been customized for your ISDN LAN Modem, as shown in Figure 59, making it easier to use.
  • Page 109 User Guide Click here to jump to the Internet location of the OfficeConnect ISDN LAN Modem User Guide. Under the Favorites menu, a subcategory labeled 3Com sites lists several helpful Using Favorites sites already bookmarked for you. These include: 3Com Corporate This takes you to the 3Com Corporate Web site.
  • Page 110 ISDN LAN M ODEM ACTORY EFAULTS ISDN LAN Modem Factory Defaults Table 13 LAN Parameters LAN Modem IP Address 192.168.1.1 Subnet Mask 255.255.255.224 DHCP Server Enabled NetBIOS filtering Disabled Voice Call Routing Calls to Telephone 1 Routed to Phone Port 1 only Calls to Telephone 2 Routed to Phone Port 2 only Use Data Compression...

  • Page 111: Isdn Lan Modem Factory Defaults

    C: ISDN LAN M PPENDIX ODEM ACTORY EFAULTS...

  • Page 112: Isdn Lan Modem Specifications

    ISDN LAN M ODEM PECIFICATIONS Refer to Table 14 for the ISDN LAN Modem specifications. ISDN LAN Modem Specifications Table 14 ISDN Basic rate telephone service provided by the telephone company Network Interface RJ49C Network (ISDN) Connector 02IS5 Facility Interface Code U (integrated NT1) ISDN Interface Type Ethernet IEEE 802.3 10BASE-T standard...

  • Page 113: Year 2000 Compliance

    The OfficeConnect ISDN LAN Modem is Year 2000 compliant. Specifically, its system clock is capable of accepting and storing dates including and beyond the year 2000. For information on Year 2000 compliance and 3Com products, visit the 3Com Year 2000 web page: http://www.3Com.com/products/yr2000.html...

  • Page 114: Rdering Isdn Service

    If you are ordering ISDN for the first time, refer to “If You Place Your ISDN Order Through 3Com” to have 3Com order ISDN service for you, free of charge. To call your telephone company and order ISDN yourself, refer to “If You Place Your ISDN Order Through the Telephone Company.”...
  • Page 115 If your telephone company does not recognize these Bellcore Capability Packages or ISDN Codes, call 1-800-343-3266 and have 3Com order your ISDN line for you. 3 Ask to have the following extra services enabled on your second line if you want support on both telephone numbers for the service indicated (automatic support for these services is provided on your first telephone number only.
  • Page 116 Supplementary Voice Features Included with U, EZ-ISDN-1, V and EZ-ISDN 1A Package U or EZ-ISDN 1 includes automatic support on telephone number 1 for Supplementary Voice the following supplementary voice features, which are also supported by the ISDN Features Included LAN Modem: with U, EZ-ISDN-1, V and EZ-ISDN 1A...
  • Page 117 E: O ISDN S PPENDIX RDERING ERVICE Under IOC U, EZ-ISDN 1, V and EZ-ISDN 1A, automatic support for the Supplementary Voice following features applies only to telephone number 1: Services on Telephone Number 1 Only Call Waiting Call Conference Call Transfer Call Forwarding Voice Mail (for V and EZ-ISDN 1A)
  • Page 118 If You Are Unable to Have Supplementary Voice Services Added to S1 If your telephone company does not allow piecemeal additions to your line provisioning (for example, ACO and FCO are not available on a Lucent 5ESS Custom Switch), 3Com recommends that you change your line to Package U or...
  • Page 119 Capability on Both Numbers?” Table of ISDN Table 15 lists the exact supplementary voice services included under Capability Packages U, EZ-ISDN 1, V and EZ-ISDN 1A, 3Com’s recommended ISDN Ordering Ordering Code Codes for use with the ISDN LAN Modem.
  • Page 120 LOSSARY Bearer channel. In ISDN communications, a B channel transmits data or voice B channel traffic at a rate of up to 64 Kbps. Basic Rate Interface. A BRI line is one of two access methods to the ISDN; PRI is the other.
  • Page 121 LOSSARY Firmware is the code which resides in the ISDN Modem and controls its behavior. It firmware differs from software in the form of programs that run on your computer. An IP address is a set of numbers that uniquely identifies each device in a network. IP address Integrated Services Digital Network.
  • Page 122 LOSSARY Primary Rate Interface. A PRI line is one of two access methods to the ISDN; BRI is the other. In North America, each PRI consists of twenty-three 64 Kbps B channels and one 64 Kbps D channel. A router is a device that links networks. router Service Profile Identifier.
  • Page 123 LOSSARY...

  • Page 124: Evaluating Symptoms And Solutions

    Dynamic Bandwidth Allocation 22 Password Authentication Protocol NDEX dynamic IP address (PAP) 14 determining if your computer has a PC requirements 25 dynamic IP address 44 Phone port 30 placing calls automatically 85 manually 86 Multilink PPP 87 factory defaults 113 power cable connection 31 flexible calling 81 power requirements 113, 115...
  • Page 125 NDEX support for Internet games 15 unlocking the configuration 73 voice call routing changing 70 understanding 70 voice features . See supplementary voice services. voice mail 83 See also message service. 83 warranty 15 year 2000 compliance 116...
  • Page 126 If it appears that any product that is stated to meet this standard does not perform properly with regard to such date data on and after January 1, 2000, and Customer notifies 3Com before the later of April 1, 2000, or ninety (90) days after...
  • Page 127 (48) hours of installation but no later than thirty (30) days after the date of purchase, and this is verified by 3Com, it will be considered dead- or defective-on-arrival (DOA) and a replacement shall be provided by advance replacement.
  • Page 128 If trouble is experienced with this device, for repair and warranty information, please refer to the Technical Support insert. In the event of device malfunction, all repairs should be performed by 3Com or an authorized agent. It is the responsibility of users requiring service to report the need for service to our company or to one of our authorized agents.

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