3Com 3C892 User Guide

3Com 3C892 - OfficeConnect ISDN Lan Modem Router Manual

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  • 3Com 3C892 | User Guide - Page 1
    OfficeConnect ® ® ISDN LAN Modem 3C892 User Guide http://www.3com.com/ Part No. 984/000023-3 Published February1999
  • 3Com 3C892 | User Guide - Page 2
    trademarks are registered in the United States and may or may not be registered in other countries. 3Com and OfficeConnect are registered trademarks of 3Com Corporation. 3ComFacts is a service mark of 3Com. Stac and LZS are registered trademarks and Hi/fn is a trademark of Stac, Inc. Pentium is
  • 3Com 3C892 | User Guide - Page 3
    to a Remote Office 12 Local Networking with Access to the Internet and a Remote Office 12 Features 13 2 ISDN LAN MODEM FUNCTIONALITY DESCRIPTION Connection Types 17 LAN Side Connection 17 Application Sharing over the LAN 18 WAN Side Connection 18 Two Separate Connections to Different Locations. 18 One
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    ISDN LAN Modem 27 Before You Begin 27 Installing the ISDN Cable 28 Connecting to a 10BASE-T Ethernet Port 28 Connecting to Another Ethernet Using Windows 3.11 40 Setting Up TCP/IP Using MS TCP 40 5 CONFIGURING THE ISDN LAN MODEM Typical Configuration 43 Before You Begin 43 You Should Have Done This
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    71 Changing Your Password 72 Setting Up Your ISDN Line Manually 72 Locking and Unlocking the Configuration 73 Configuring the ISDN LAN Modem from a Remote Location 74 Configuring the ISDN LAN Modem Remotely via Another LAN Modem 74 Configuring the ISDN LAN Modem Remotely via an ISDN Modem 74 v
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    Time 80 Caller ID Blocking 80 Flexible Calling 81 Configuring FCO on the ISDN LAN Modem 81 Flexible Calling Codes 81 Call Conference (Three-Way Calling) 82 Call Transfer 82 Message Service/Voice Mail 83 Call Forwarding 83 8 PLACING, RECEIVING AND DISCONNECTING CALLS Placing Calls 85 Placing a Call
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    Troubleshooting Problems Indicated by LEDs 93 Evaluating Symptoms and Solutions 94 Finding More Information 100 Contacting Technical Support 100 Downloading Firmware to Your ISDN LAN Modem 100 Resetting the ISDN LAN Modem 100 Resetting the ISDN Modem Using a Telephone 100 Reviewing Statistics 101
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    configuring of the ISDN LAN Modem software Instructions for advanced configuration of the ISDN LAN Modem software Information on supplementary voice services Information on placing, receiving and disconnecting calls Information on troubleshooting and maintenance Background information on networking
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    guide. Table 2 Notice Icons Icon Notice Type Description Information note Information that describes important features or instructions guide, you must type something, and then press Return or Enter. Do not press Return or Enter when an instruction The OfficeConnect ISDN LAN Modem is Year 2000
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    Internet OfficeConnect® Hub 8 TPO Port Status Network Utilization PWR PKT COLL 1 2 3 4 5 6 7 8 COAX 1% 2% 3% 6% 12% 25% 50% 80% Alert green = link OK, off = link fail, yellow = partition Office Connect¤ Hub 3 Com Internet/Intranet or online service OfficeConnect® ISDN LAN Modem LAN STATUS
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    while continuing to network locally. Internet/Intranet or online service OfficeConnect® ISDN LAN Modem LAN STATUS OfficeConnect™ 3 Com Alert PWR ISDN B1 B2 Tx Coll 1 2 3 4 ISDN LAN Modem Public telephone network ISDN BRI line Remote office LAN Figure 3 Local Networking with Access to
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    for telephone company switch and service profile ID (SPID) numbers. s Web-based, point-and-click user interface for configuration and online help. s Automatic configuration verification with Internet connection through your Internet Service Provider (ISP). s Firmware updates, user guides and technical
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    Tunneling Protocol- PPTP draft-ietf-pppext-pptp-02.txt). s IETF Password Authentication Protocol (PAP) (RFC 1334) and Challenge Handshake Authentication Protocol (CHAP) security (RFC 1994). s MS-CHAP support (as defined in Network Working Group Information Memo: Microsoft PPP CHAP Extensions. S. Cob
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    . s Full ISDN signaling support of National ISDN. s Compatibility with Lucent, Northern Telecom and Siemens switches. Security s PAP, CHAP and MS-CHAP support on both single-channel and Multilink PPP calls. Upgradability s Flash memory for field firmware updates. s Firmware posted on 3Com's Web site
  • 3Com 3C892 | User Guide - Page 15
    16 CHAPTER 1: INTRODUCTION
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    4. 10 Mbps Ethernet LAN OfficeConnect® Hub 8 TPO Port Status Network Utilization PWR PKT COLL 1 2 3 4 5 6 7 8 COAX 1% 2% 3% 6% 12% 25% 50% 80% Alert green = link OK, off = link fail, yellow = partition Office Connect¤ Hub 3 Com LAN STATUS OfficeConnect® 3 Com Alert PWR ISDN B1 B2 Tx
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    PWR ISDN B1 B2 LAN STATUS Tx Coll 1 2 3 4 OfficeConnect™ ISDN LAN Modem 3 Com Greg-64 Kbps B1 Peter- 64 Kbps B2 Internet/Intranet or online service Greg 64 Kbps B1 Peter 64 Kbps B2 Public telephone network Remote office LAN ISDN BRI line Jan's PC Figure 6 Two Simultaneous Remote Connections
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    PC Murray's PC OfficeConnect® ISDN LAN Modem Alert PWR ISDN B1 B2 LAN STATUS Tx Coll 1 2 3 4 OfficeConnect™ ISDN LAN Modem Mary Murray 3 Com Lou Internet/Intranet or online service MaMryurLraoyu Public telephone network ISDN BRI line Lou's PC Figure 8 Shared Connection to the Same Location
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    launch your Web browser (or whichever networking application you like). When the ISDN LAN Modem receives the information packet requesting access to the WAN, it must determine which connection type to use. The ISDN LAN Modem looks at the destination Network ID (which comprises the destination IP
  • 3Com 3C892 | User Guide - Page 20
    /Intranet or IP address online service assigned by ISP 1981.69.811..691.81..61.1.1 ISDN BRI line 198.6.1.1 Public telephone Alert PWR ISDN B1 B2 LAN STATUS Tx Coll 1 2 3 4 OfficeConnect™ 3 Com ISDN LAN Modem network OfficeConnect® ISDN LAN Modem 192.168.1.1 ISDN BRI line 192.168
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    ISDN LAN Modem's Service Provider Parameters window. s Use One B Channel When this option is configured, only one B channel is used to connect to this service you are calling does not support Multilink PPP, then a single B channel PPP connection is established. Understanding Dynamic Bandwidth
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    terminating a tunnel. Alert POWER ISDN OK B1 B2 LAN STATUS TX COLL 1 2 3 4 ISDN LAN Modem 3C892 3 Com LAN Modem Internet Service Provider 3 Com From theofEdtghee tNoettwhoerkH.eart Tunnel terminator Corporate network Figure 10 Connection to an Remote Private Network via an ISP The main
  • 3Com 3C892 | User Guide - Page 23
    remote private network LAN as if you were connected locally. 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
  • 3Com 3C892 | User Guide - Page 24
    -T Ethernet cable s 3Com Companion Programs CD-ROM s OfficeConnect ISDN LAN Modem Getting Started Guide s Rubber feet and stacking clips Before You Install the ISDN LAN Modem To install, configure and use the ISDN LAN Modem successfully, you must have the following: s Correct ISDN service installed
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    LAN from the ISDN LAN Modem. Off indicates no data is being transmitted to the Ethernet LAN from the ISDN LAN Modem. Ethernet Collision Status. Flashes amber when some collisions are taking place on the Ethernet LAN. Off indicates no collisions are taking place on the Ethernet LAN. Ethernet LAN Port
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    RESET 1 PHONE 2 4 3 LAN 2 1 Two Analog Reset Button Telephone Ports Four Ethernet 10Base-T Connectors ISDN ISDN BRI Interface Figure 12 ISDN LAN Modem Back Panel From left to right the back panel consists of the following. s Power: Connect the power module cable to this port. s Reset
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    to the ISDN jack. Connecting to a To connect a computer to the ISDN LAN Modem, do the following. 10BASE-T Ethernet Port 1 Insert one end of the 10BASE-T Ethernet cable into one of the four LAN ports on the back of the ISDN LAN Modem, as shown in Figure 14. ISDN 10-18 0.8 A VDC MAX RESET 1 PHONE
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    the additional hub. If the hub to which you are connecting your LAN Modem does not have an MDI/X switch, you must use a crossover cable. 1 Insert one end of the 10BASE-T Ethernet cable into one of the four LAN ports on the back of the ISDN LAN Modem, as shown in Figure 15. 10-18 VDC 0.8 A MAX 10
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    : 1 Insert one end of an RJ-11 cable into one of the two analog ports labeled Phone on the back of the ISDN LAN Modem, as shown in Figure 16. ISDN 10-18 0.8 A VDC MAX RESET 1 PHONE 2 Figure 16 Analog Equipment Connection 2 Insert the other end of the RJ-11 cable into the appropriate RJ-11
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    Wall Mounting the ISDN LAN Modem 31 Installing the Power To install the power cable: 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. ISDN 10-18 0.8 A VDC MAX RESET 1 PHONE 2 Figure 17 Power
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    ceConnect 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. Use the four clips to stack OfficeConnect units together. You can stack up to four units. Stack small
  • 3Com 3C892 | User Guide - Page 32
    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. These instructions vary depending upon which systems. To set up TCP/IP for the ISDN LAN Modem, do the following. You may be prompted for your installation disks or CD
  • 3Com 3C892 | User Guide - Page 33
    and then from the Network Protocols list box, select TCP/IP. 5 Click OK. 6 Select the Configuration tab. The Network Configuration dialog box appears. 7 Select TCP/IP and then click Properties. If you have multiple TCP/IP entries, select TCP/IP for the Ethernet card associated with the ISDN LAN Modem.
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    Windows 95 35 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. If your LAN uses static IP addresses, enter
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    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. TCP/IP Setup Using Windows NT 4.0 Windows NT 4.0 provides TCP/IP
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    appears. Figure 27 DHCP Message Box 5 Select the appropriate response for your network. 6 You are then prompted to insert your installation CD-ROM. Insert 4.0 CD ROM and then click Continue. For users who have Remote Access Service (RAS) installed on their PC, after the appropriate files are copied to
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    AND MACINTOSH 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. 10 If this
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    then select TCP/IP. The TCP/IP dialog box appears. Figure 30 TCP/IP Dialog Box for Macintosh Computers 2 Select Ethernet or Ethernet built in from the Connect via drop down list box. 3 If this LAN uses dynamic IP addresses, select Using DHCP Server from the Configure drop-down list box. If this
  • 3Com 3C892 | User Guide - Page 39
    MS TCP which is provided on the 3Com Companion Programs CD-ROM. Setting Up TCP/IP Network group box, click Network Setup. Figure 32 Network Group Box 4 From the Network Setup dialog box, click the Drivers button. 5 From the Network Drivers dialog box, click Add Protocol. 6 Select Unlisted or Update
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    TCP/IP Setup Using Windows 3.11 41 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
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    42 CHAPTER 4: SETTING UP TCP/IP FOR WINDOWS AND MACINTOSH
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    5 CONFIGURING THE ISDN LAN MODEM 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
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    s For Windows 98, 95 and NT 4.0 Users: From the Start menu, select Settings and then Control Panel. Double-click Network. Select TCP/IP for the Ethernet card you will attach to the ISDN LAN Modem and then click Properties. Select the IP Address tab. If the radio button labeled Obtain an IP address
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    the ISDN LAN Modem for the Typical Configuration." These instructions assume that the LAN Modem configuration is set the factory default. If you are moving the LAN Modem from a different LAN, reset the LAN Modem before you begin. To do so, connect a telephone to one the LAN Modem phone ports and
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    45 CHAPTER 5: CONFIGURING THE ISDN LAN MODEM 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
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    , the ISDN LAN Modem will change its default IP address. If this occurs, the ISDN LAN Modem will reset itself and ISDN LAN Modem clock is being synchronized to the date and time on your workstation. The Set Password window appears. This password is used to guard access to the ISDN LAN Modem
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    CONFIGURING THE ISDN LAN MODEM 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. 4 Click Submit. A message box indicates that your password
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    Window If you do not want to use the ISP Wizard, click Abort. The ISDN LAN Modem configuration main page appears. Refer to "Setting Up Additional Service Providers"for instructions on configuring your ISP connection manually. 8 In the Name field, enter the name of your ISP. 9 In the Telephone Number
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    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." If you experience any other problems, refer to Chapter 9, "Troubleshooting
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    addition, you can enter a second telephone for connection to your ISP. For information on these parameters and instructions for changing their default values, refer to "Editing Service Provider Profiles" on page 64. 9 Click Continue to go to the ISDN LAN Modem Web site where you should register the
  • 3Com 3C892 | User Guide - Page 51
    where you can manually configure ISDN parameters if you prefer not to run the SPID Wizard. Also, supplementary voice services are configurable from this page. s LAN Parameters: Jumps to the LAN Parameters page where you can configure Ethernet parameters for the ISDN LAN Modem. s Data Call Parameters
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    call and service provider. s Maintenance: Jumps to the Maintenance page where you can reset the ISDN LAN Modem as well as place the ISDN LAN Modem in firmware download mode in order to download the latest firmware. s Password: Jumps to the Password page restrict access to the LAN Modem WebWizard by
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    6 ADVANCED CONFIGURATION Before you Begin This chapter describes how to configure advanced settings for the ISDN LAN Modem. For instance, setting up a connection to a private network such as a remote office LAN, and changing default settings. You should follow the typical configuration steps first so
  • 3Com 3C892 | User Guide - Page 54
    , an ISP and a private Network network. A description of each follows. When to Select ISP Choose ISP when you want to set up a direct connection to the public Internet (via an Internet Service Provider) as shown in Figure 40. Internet or online service ISDN LAN Modem ISDN outlet Figure 40 Direct
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    Private Network & ISP via Private Network Remote office LAN Internet or online service Remote office LAN ISDN LAN Modem ISDN outlet ISDN LAN Modem ISDN outlet Figure 41 Direct Connection to a Private Network Setting Up a Connection This section describes how to set up your ISDN LAN Modem for
  • 3Com 3C892 | User Guide - Page 56
    58 CHAPTER 6: ADVANCED CONFIGURATION 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
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    referred to as Switched 56 Permissive or Data Over Voice). Check with your telephone company and ISP to make sure that they support TollMizer. 11 Under Miscellaneous, leave the default, NAT enabled, unless you are certain you want to disable it. With NAT enabled, the ISDN LAN Modem translates IP
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    destinations. If you want to password protect the configuration profile of the ISDN LAN Modem, refer to "Locking and Unlocking the Configuration". Setting Up a Connection This section describes how to set up your ISDN LAN Modem for access to a private to a Private Network network such as a remote office
  • 3Com 3C892 | User Guide - Page 59
    Setting Up Additional Service Providers 61 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
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    password. 7 Under DNS IP Address(es), if this private network uses static IP addresses (that is, these IP addresses are not supplied when a dial-up connection B channels are used to connect to this service provider (that is, always also support this feature (also referred to as Switched 56 Permissive
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    . If you want to password protect the configuration profile of the ISDN LAN Modem, refer to "Locking and Unlocking the Configuration." Associating Service Providers with Workstations on the LAN Once you have configured the service providers to which you would like to connect, they will be associated
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    the ISP(s) that you do not wish to use at this time. To change the association between service provider connections and a particular computer on the LAN, do the following. 1 From the ISDN LAN Modem main page, click Workstations. 2 From the Workstations drop down list box, select the Workstation for
  • 3Com 3C892 | User Guide - Page 63
    how to configure the parameters of your LAN. (LAN refers to that section of the network comprising your ISDN LAN Modem and all the computers or other devices attached to it by means of Ethernet cabling.) This section describes the LAN parameters and then provides configuration steps. Understanding
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    need to reconfigure the IP addresses of the computers connected to the ISDN LAN Modem. For a LAN using static IP addresses, you must manually reconfigure the IP addresses of the workstations on the LAN via the Workstation Parameters window. For a LAN using dynamic IP addresses, if you have Windows 98
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    the Enable NetBIOS filtering field, if desired, check the box to enable filtering. 7 Click Submit. If you want to password protect the configuration profile of the ISDN LAN Modem, refer to "Locking and Unlocking the Configuration". Changing Data Call Parameters This section describes how to change the
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    CONFIGURATION manually disconnect the call via the Manual Calling screen). The default is 30 seconds. Disconnecting a Manual Data Call A manual call is established using the Manual Calling option from the LAN Modem will be connected for at least 15 minutes. To prevent a manual call from being disconnected because
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    the length of time the ISDN LAN Modem should wait before removing the second B channel after it falls below the threshold defined in the Connect/Disconnect Threshold field. 8 Click Submit. If you want to password protect the configuration profile of the ISDN LAN Modem, refer to "Locking and Unlocking
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    70 CHAPTER 6: ADVANCED CONFIGURATION Changing Voice Call Routing 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 voice calls are routed. Understanding How By default, incoming voice calls
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    Calling or online help, the LAN Modem prompts the user to enter a password. To set up selective password protection, do the following. 1 From the ISDN LAN Modem main page, click the Password button. 2 Check the box labeled Disable password protection for Manual Calling screen. 3 Click Submit. All
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    password. Note that when the ISDN LAN Modem is restored to the factory default settings, you will lose your configuration which includes all service provider profiles and ISDN parameters. For instructions, refer to Chapter 9, "Resetting the ISDN LAN Modem." Setting Up Your ISDN Line Manually This
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    and Unlocking the Configuration 73 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
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    network. 2 Create a Private Network entry for the remote router. No user name or password is needed. You must use an arbitrary numbered WAN link that is different from the two networks. 3 Run your web browser, and enter the IP address of the remote LAN Modem as the URL. Once an ISDN connection
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    Configuring the ISDN LAN Modem from a connection icon created via Dial-Up Networking. The Connect To window will open. You may choose to leave the Username and Password fields blank at this time. 18 Click Connect. Your local computer will dial and establish a connection with your remote ISDN LAN Modem
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    VOICE CALL SERVICES Supplementary Voice Services The ISDN LAN Modem supports the following supplementary voice services. s Call Waiting s Caller ID s Call Conference (Three-Way Calling) s Call Transfer s Voice Mail (Message Service) s Caller ID Name Display s Call Forwarding Before You
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    To change the default setting, do the following. 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
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    Call Waiting tone, press and release the switch hook button to put the first call on hold and connect to the second call. If you do have Flexible Calling and it is enabled). The ISDN LAN Modem can support a maximum of two simultaneous voice calls per phone port. If you already have two calls up (
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    number of the calling party is displayed on the caller ID device connected to the ISDN LAN Modem's phone port that is called. The name of the caller may or may not be displayed even if your caller ID device and service support this feature. Not all telephone companies display the Caller ID name on
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    Message Service on telephones connected to the ISDN LAN Modem's phone ports. If you are not sure whether your ISDN line supports Flexible values, do the following. 1 Go to the ISDN LAN Modem's main configuration page (http://3com.oc.lanmodem/). 2 Click ISDN Parameters. 3 To disable a feature, next to
  • 3Com 3C892 | User Guide - Page 79
    82 CHAPTER 7: SUPPLEMENTARY VOICE CALL SERVICES Call Conference (Three-Way Calling) Call Conference 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 To drop the last party added to
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    (s) (as described by your telephone company) from the telephone attached to your ISDN LAN Modem. These tones are passed through the ISDN LAN Modem. When a call is placed to a phone connected to the ISDN LAN Modem, the forwarded call is announced by a short ring on the telephone from which the Call
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    84 CHAPTER 7: SUPPLEMENTARY VOICE CALL SERVICES
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    calls You can place calls from your computer through the ISDN LAN Modem to a remote location either automatically by using one of the service provider connections you set up or manually by entering the telephone number of the destination. 3Com assumes no liability for phone charges or other expenses
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    you want to call is associated with your workstation. 1 From the ISDN LAN Modem home page, click the Manual Calling button. The Manual Call Control window appears. 2 In the table, locate the name of the service provider to which you want to connect and then verify that the call is not already
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    for the following purposes: s Making changes to the previously defined connection types Refer to Chapter 6, "Configuring the ISDN LAN Modem from a Remote Location," for instructions. s Downloading the latest firmware Refer to Chapter 9, "Downloading Firmware to Your ISDN LAN Modem," for instructions.
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    not supported. For example, you cannot call into the ISDN LAN Modem to use a computer as a server that others would dial into and use for downloading information. Receiving Voice Calls Voice calls received by the ISDN LAN Modem will be routed to the analog equipment connected to the voice ports
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    minimum length of a call that is measured before the ISDN LAN Modem detects inactivity on the connection and then starts an inactivity timer. The default is The default for an automatic call is 30 seconds. The default for a manual call is 15 minutes. Bandwidth on Demand You can specify when you want
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    90 CHAPTER 8: PLACING, RECEIVING AND DISCONNECTING CALLS
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    s Evaluating symptoms and solutions s Finding more information s Contacting technical support s Downloading firmware s Resetting the ISDN LAN Modem s Reviewing statistics CAUTION: There are no user-serviceable parts inside your ISDN LAN Modem. Unauthorized opening of the unit will void the warranty
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    to the "Troubleshooting Problems Indicated by LEDs" section. Monitoring the LAN Port Status LEDs Observe the LAN port status LED labeled 1, 2, 3, or 4 depending on the port number to which your computer is connected. If the LED(s) is lit, the ISDN LAN Modem detects the Ethernet link signal and
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    is configured for circuit-switched voice and data service. LAN port status LED is Ethernet cable is not securely off (that is, not connected. illuminated). Check the Ethernet cable connection and make sure it is inserted properly in a port labeled 1,2,3,or 4 on the back of the ISDN LAN Modem
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    of the ISDN LAN Modem. http://192.168.1.1/mainpage or http://3com.oc.lanmodem/ There is a configuration problem. Reset the ISDN LAN Modem to the factory default setting. Disconnect the ISDN cable from the ISDN LAN Modem and then connect an analog telephone to one of the phone ports. Lift the
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    all outgoing connections to run directly through your ISDN LAN Modem. Call the telephone company and have them verify your telephone number(s) and SPID(s) and that your line is configured for circuit-switched voice and data service. From the Call Routing window, check the Phone Port 1 and Phone
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    causes a problem when NAT is enabled on the ISDN LAN Modem. If you have a static network, disable NAT and try using the application again. Do not disable NAT if your network is dynamic. The user name and/or password Make sure that the user name and password for this for this service provider may
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    not remain connected. When the LAN Modem is configured to Use 2 B channels and the remote end disconnects one of the 2 B channels, the LAN Modem will disconnect the now single B channel call since it's configured to use 2 B channels. From the ISDN LAN Modem's home page, click Service Providers and
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    data. For a Siemens switch, your ISDN line must have Number of B Channels Per Call Type Per Office Equipment Directory Number (NBCCTOEDN) =2. Your ISDN line does not have ACO. Contact you telephone company to have ACO added. The analog modem connected to the ISDN LAN Modem is unable to detect
  • 3Com 3C892 | User Guide - Page 96
    is not configured. Go to the appropriate Service Provides page and ensure compression is enabled. Compression negotiation was not successful. Although compression is enabled on the LAN Modem, the device the LAN Modem is dialing into must also have compression enabled and also support the same
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    for your location. Downloading Firmware to Your ISDN LAN Modem Your ISDN LAN Modem has been designed to be user-upgradable. Firmware upgrades and instructions will be available at http://www.remoteaccess.3com.com/support/docs/lanmodem/welcome.html Resetting the ISDN LAN Modem There are two types
  • 3Com 3C892 | User Guide - Page 98
    as 3C892. Serial Number Displays the serial number of the ISDN LAN Modem. Ethernet Address Displays the MAC address of the ISDN LAN Modem. System software version number Displays the firmware version of the ISDN LAN Modem. Boot software version number For internal use only. The LAN modem has
  • 3Com 3C892 | User Guide - Page 99
    ISDN) is firmly connected to the ISDN LAN Modem and the wall jack. If the problem remains, you should contact your telephone company. Table 9 ISDN is needed, indicates the secondary DNS address of the service provider to which the current call is connected. This field will be empty if a secondary
  • 3Com 3C892 | User Guide - Page 100
    the service provider "Manual dial connected. Number of octets received Data call Indicates the number of octets (bytes) received by the ISDN LAN Modem. Number of octets transmitted Data call Indicates the number of octets (bytes) transmitted by the ISDN LAN Modem. Calling telephone or port
  • 3Com 3C892 | User Guide - Page 101
    following: "Manual dial by Workstation connections to each service provider. Indicates the total number of octets (bytes) received by the ISDN LAN Modem. Indicates the total number of octets (bytes) transmitted by the ISDN LAN Modem. Indicates the collective amount of time connected to each service
  • 3Com 3C892 | User Guide - Page 102
    main types of Ethernet networks: 10BASE-T, 10BASE-2 and 10BASE-5. The ISDN LAN Modem supports four 10BASE-T connections. A 10BASE-T Ethernet network is used in small networks with only a few dozen devices closely located. The physical connection for a 10BASE-T Ethernet network is over a twisted
  • 3Com 3C892 | User Guide - Page 103
    and Primary Rate Interface (PRI). The ISDN LAN Modem supports a BRI interface. OfficeConnect¤ ISDN LAN Modem LAN STATUS OfficeConnect® 3 Com Alert PWR ISDN B1 B2 Tx Coll 1 2 3 4 ISDN LAN Modem ISDN BRI line Public telephone network Figure 54 ISDN BRI Line Each BRI telephone line consists
  • 3Com 3C892 | User Guide - Page 104
    ¤ ISDN LAN Modem LAN STATUS OfficeConnect® 3 Com Alert PWR ISDN B1 B2 Tx Coll 1 2 3 4 ISDN LAN Modem B channel 1 B channel 2 Internet/Intranet or online service B channel 1 B channel 2 Public telephone network Remote office LAN ISDN BRI line Figure 56 Two Simultaneous Connections The
  • 3Com 3C892 | User Guide - Page 105
    separated by a period. The IP address of the ISDN LAN Modem identifies the ISDN LAN Modem itself and the network it creates when devices are connected to the Ethernet ports. What is a Subnet Mask? Many networks are divided further into smaller sub networks. A subnet mask is a number that identifies
  • 3Com 3C892 | User Guide - Page 106
    computer on an IP network. What is DNS? Domain Name Service translates the common alphabetic name into the numeric IP address. For example, floyds_PC is translated to 192.168.1.2. If you do not use the DHCP functionality of the ISDN LAN Modem, you will have to manually configure the following
  • 3Com 3C892 | User Guide - Page 107
    110 APPENDIX A: NETWORKING PRIMER
  • 3Com 3C892 | User Guide - Page 108
    page. s Dial/Hang Up Click here to jump to the ISDN LAN Modem's Manual Calling page where you can connect to and disconnect from the service providers you configured. s Register Modem Click here to jump to the ISDN LAN Modem registration page. s Updates Click here to jump to the site where you will
  • 3Com 3C892 | User Guide - Page 109
    location of the OfficeConnect ISDN LAN Modem User Guide. Using Favorites Under the Favorites menu, a subcategory labeled 3Com sites lists several helpful sites already bookmarked for you. These include: s 3Com Corporate This takes you to the 3Com Corporate Web site. s 3Com Remote Access This takes
  • 3Com 3C892 | User Guide - Page 110
    Inactivity Disconnect Manual Data Call Inactivity Disconnect 2 minutes 30 seconds 15 minutes * The ISDN LAN Modem attempts to use this default IP address to communicate with the computer during initial configuration. If communication cannot be established initially, the ISDN LAN Modem will change
  • 3Com 3C892 | User Guide - Page 111
    114 APPENDIX C: ISDN LAN MODEM FACTORY DEFAULTS
  • 3Com 3C892 | User Guide - Page 112
    14 for the ISDN LAN Modem specifications. Table 14 ISDN LAN Modem Specifications Network Interface Network (ISDN) Connector Facility Interface Code ISDN Interface Type LAN Interface ISDN Basic rate telephone service provided by the telephone company RJ49C 02IS5 U (integrated NT1) Ethernet IEEE 802
  • 3Com 3C892 | User Guide - Page 113
    with your ISDN LAN Modem. 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
  • 3Com 3C892 | User Guide - Page 114
    that best fits your needs. Of these packages, 3Com has two recommendations, each of which allows you to take the fullest advantage of the supplementary voice features supported by the ISDN LAN Modem. The ISDN LAN Modem has completed the ISDN Ordering Codes Translations Review and is registered with
  • 3Com 3C892 | User Guide - Page 115
    Figure 50 in Chapter 6. The ISDN LAN Modem does not support supplementary voice services for Lucent Technologies 5ESS® Custom switches. If you would like to use these services, ask the representative if another switch type is available for your ISDN line. 6 Ask the ISDN representative to provide the
  • 3Com 3C892 | User Guide - Page 116
    for the following supplementary voice features, which are also supported by the ISDN LAN Modem: s Call Waiting s Call Conference (or Three-Way Calling) s Call Transfer s Call Forwarding s Caller ID Package V or EZ-ISDN 1A includes automatic support on telephone number 1 for all of the above features
  • 3Com 3C892 | User Guide - Page 117
    Variable -- for Call Forwarding s Voice Mail (if you are ordering V or EZ-ISDN 1A) for Voice Mail Also under U, EZ-ISDN 1, V, and EZ-ISDN 1A, there is no automatic support for Outgoing Caller ID Blocking, a supplementary voice feature which is supported by the ISDN LAN Modem. You can, however
  • 3Com 3C892 | User Guide - Page 118
    Capability Package S1, 3Com's prior recommendation for ISDN LAN Modem firmware version 5.00, which did not include support for supplementary voice services), you will need to make changes to your line if you wish to use all the supplementary voice services supported by ISDN LAN Modem, firmware version
  • 3Com 3C892 | User Guide - Page 119
    included under Capability Packages U, EZ-ISDN 1, V and EZ-ISDN 1A, 3Com's recommended ISDN Ordering Codes for use with the ISDN LAN Modem. Table 15 Supplementary Voice Service Package U or EZ-ISDN 1 Automatic Support on Telephone Number1? Automatic Support on Telephone Number2? Package V or
  • 3Com 3C892 | User Guide - Page 120
    supports BAP. If the peer supports ISDN modem automatically compresses data for PPP calls to improve data transfer times using a compression method called Hi/fn LZS. D channel The signaling channel on an ISDN line used to carry messages between the ISDN LAN Modem and the public switch IP network.
  • 3Com 3C892 | User Guide - Page 121
    network termination device that terminates the ISDN line.An NT1 is built into the ISDN LAN Modem with the U interface. An NT1 is built into the ISDN LAN Modem with the U interface (3C892). PAP Password Authentication Protocol. PAP is one of two PPP authentication protocols supported by the ISDN LAN
  • 3Com 3C892 | User Guide - Page 122
    router A router is a device that links networks. SPID Service Profile Identifier. If required, this number is supplied to you by the telephone company. Typically, if your ISDN communicate with each other over LANs and WANs. TollMizer TollMizer (also referred to as Switched 56 Permissive or Data Over
  • 3Com 3C892 | User Guide - Page 123
    126 GLOSSARY
  • 3Com 3C892 | User Guide - Page 124
    parameters 67 supplementary voice services 77 voice call routing 70 your password 71 configuration advanced 55 data call parameters 69 from a remote location 74 ISDN parameters 48, 72 LAN parameters 65 typical 43, 47 connecting 10BASE-T Ethernet port 28 analog devices 30 another Ethernet hub 29 power
  • 3Com 3C892 | User Guide - Page 125
    128 INDEX U UDP support for Internet games 15 unlocking the configuration 73 V voice call routing changing 70 understanding 70 voice features . See supplementary voice services. voice mail 83 See also message service. 83 W warranty 15 Y year 2000 compliance 116
  • 3Com 3C892 | User Guide - Page 126
    3Com Corporation LIMITED WARRANTY OfficeConnect ISDN LAN Modem HARDWARE 3Com warrants this hardware product to be free from defects in workmanship and materials, under normal use and service, for the following length of time from the date of purchase from 3Com or its authorized reseller: Lifetime,
  • 3Com 3C892 | User Guide - Page 127
    3Com Corporation 5400 Bayfront Plaza Santa Clara, CA USA 95052-8145 3Com Corporation declares that the product OfficeConnect ISDN LAN modem . This device connects to the telephone network via an RJ45 network, the telephone company will notify you in advance that temporary discontinuance of service
  • 3Com 3C892 | User Guide - Page 128
    our authorized agents. In the event service is required, refer to the Technical Support insert for information. If the device is causing harm to the telephone network, the telephone company may request that you disconnect the equipment until the problem is resolved. This registered device is capable
  • 3Com 3C892 | User Guide - Page 129
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®
OfficeConnect
®
ISDN LAN Modem
3C892
User Guide
Part No. 984/000023-3
Published February1999