Page 2 - UNITED STATES GOVERNMENT LEGENDS:; For civilian agencies:
3Com Corporation5400 Bayfront Plaza Santa Clara, California 95052-8145 Copyright © 3Com Corporation, 1999. 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...
Page 3 - all instructions carefully.
I MPORTANT S AFETY I NFORMATION WARNING: Warnings contain directions that you must follow for your personal safety. Follow all instructions carefully. Please read the following information carefully and thoroughly before installing the unit: ■ Take exceptional care during the installation and remova...
Page 11 - Introduction; Audience Description; This table shows where to find specific information in this guide.; Conventions; Table 1; Specific Information; Table 2; Notice Icons
A BOUT T HIS G UIDE About This Guide provides an overview of this guide, describes guide conventions, and tells you where to look for specific information. Introduction This guide describes how to install and configure the 56K LAN Modem and provides descriptions of key applications and networking co...
Page 12 - Table 3; Text Conventions
12 A BOUT T HIS G UIDE Year 2000 Compliance The OfficeConnect 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: h...
Page 13 - NTRODUCTION
1 I NTRODUCTION This chapter provides an overview of the OfficeConnect ® 56K LAN Modem, referred to throughout this document as the 56K LAN Modem or simply as the LAN Modem. Introduction The 56K LAN Modem is an easy to install, Local Area Network (LAN) to Wide Area Network (WAN) personal analog IP r...
Page 14 - Figure 1; Local Networking with Internet Access; Local Networking with; Figure 2; Local Networking with Access to a Remote Office LAN
14 C HAPTER 1: I NTRODUCTION Local Networking with Access to the Internet Users can share access to the Internet while continuing to network locally, as shown in Figure 1. Figure 1 Local Networking with Internet Access Local Networking with Access to a Remote Office Users can share access to a remot...
Page 15 - Features; bis
Features 15 Features Ease of Installation and Use ■ Web-based, point-and-click user interface for easy configuration ■ Automatic Internet configuration verification via your Internet Service Provider (ISP) ■ Web-based, context-sensitive online help High Performance ■ Internal 56K modem, capable of t...
Page 16 - Network Working Group Information Memo:
16 C HAPTER 1: I NTRODUCTION Protocols ■ IETF PPP (RFC 1661, 1662, 1663) ■ IETF Password Authentication Protocol (PAP) and Challenge Handshake Authentication Protocol (CHAP) security (RFC 1994) ■ MS-CHAP support (as defined in Network Working Group Information Memo: Microsoft PPP CHAP Extensions. S....
Page 17 - Warranty
Features 17 Warranty ■ 3Com Corporation Limited Warranty (refer to the end of this User Guide for details) Support for Internet Applications Your 56K LAN Modem supports applications that use the User Datagram Protocol (UDP) and the Transmission Control Protocol (TCP). This protocol is used primarily...
Page 19 - Connection Types; This section discusses LAN side and WAN side connections.; 6K Technology; . V.90 technology takes advantage of the typical network; LAN Side Connection
2 56K LAN M ODEM F UNCTIONALITY D ESCRIPTION This chapter provides a description of the 56K LAN Modem’s key functionality, covering the following topics. ■ Connection Types ■ Call Routing Protocol and IP Address Translation ■ Understanding PPTP Connection Types This section discusses LAN side and WA...
Page 20 - Figure 3; 6K LAN Modem Ten Workstation Connection Example; Figure 4; 6K LAN Modem Minimum Connection Example; Application Sharing over the LAN
20 C HAPTER 2: 56K LAN M ODEM F UNCTIONALITY D ESCRIPTION Figure 3 56K LAN Modem Ten Workstation Connection Example An example of the minimum number of connections is shown in Figure 4. Figure 4 56K LAN Modem Minimum Connection Example Application Sharing over the LAN Most operating systems such as ...
Page 21 - WAN Connection; Figure 5; Single User Connecting to a Remote Site; Sharing the Connection; Figure 6; Shared Connection to a Remote Site
Connection Types 21 WAN Connection The 56K LAN Modem allows up to 25 users to connect to a WAN using one analog connection to a single location. One High Speed Connection The WAN connection may be utilized by a single user to connect to a remote site such as a corporate LAN, as shown in Figure 5. Fi...
Page 22 - A direct connection to an
22 C HAPTER 2: 56K LAN M ODEM F UNCTIONALITY D ESCRIPTION Call Routing Protocol and IP Address Translation This section describes the call routing protocol used by the 56K LAN Modem and explains how IP addresses are translated. Placing a Call to a Previously Defined Destination The 56K LAN Modem dis...
Page 23 - Understanding VPNs and PPTP; Figure 7; IP Address Translation; Figure 8; Connection to an Remote Private Network via an ISP
Understanding VPNs and PPTP 23 Figure 7 IP Address Translation Understanding VPNs and PPTP Virtual private networks (VPN) are private, secure networks created in public networks such as the Internet. A VPN is essentially a secure, private tunnel within the Internet. Since VPN calls are placed throug...
Page 24 - Set up the server side of the tunnel connection
24 C HAPTER 2: 56K LAN M ODEM F UNCTIONALITY D ESCRIPTION The main steps for creating a VPN are as follows. Each step is explained in detail in subsequent sections. ■ Set up the server side of the tunnel connection ■ Set up the client side of the tunnel connection ■ Initiate a tunnel between client ...
Page 25 - Refer to
Understanding VPNs and PPTP 25 You are ready to access a 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. Refer to http://www.remoteaccess.3com.com/support/docs/lanmodem for more inf...
Page 27 - Package Contents; Com Companion Programs; OfficeConnect 56K LAN
3 H ARDWARE D ESCRIPTION AND I NSTALLATION This chapter provides an overview of the hardware description and installation of the 56K LAN Modem. Package Contents The 56K LAN Modem package contents includes one of each: ■ OfficeConnect 56K LAN Modem ■ Power cable with an AC wall transformer ■ Analog t...
Page 28 - Figure 9; 6K LAN Modem Front Panel; Table 4; Front Panel LED Indicator Definitions
28 C HAPTER 3: H ARDWARE D ESCRIPTION AND I NSTALLATION ■ TCP/IP software. TCP/IP is provided as part of the Windows 98, 95, NT and Macintosh System 7.6 and later operating systems. For Windows 3.11 users, TCP/IP software is provided on the 3Com Companion Programs CD-ROM. Available storage space on ...
Page 29 - Installing the 56K LAN Modem; Back Panel Connector; 6K LAN Modem Back Panel; Phone; Before You Begin; Ethernet Collision Status.; Front Panel LED Indicator Definitions (continued)
Installing the 56K LAN Modem 29 Back Panel Connector Description The back panel provides the following components. Figure 10 56K LAN Modem Back Panel From left to right the back panel consists of the following. ■ Power: Connect the power module cable to this port. ■ Reset: Press this button to re-in...
Page 30 - Ethernet; Installing the Analog; To install the analog cable:; Analog Cable Connection; Connecting to a; To connect a computer to the 56K LAN Modem, do the following.; 0BASE-T Ethernet LAN Connection; Connect only one computer to the 56K LAN Modem for initial
30 C HAPTER 3: H ARDWARE D ESCRIPTION AND I NSTALLATION ■ 10BASE-T Ethernet cable (8-pin to 8-pin connectors) labeled Ethernet which was provided in the package. It is recommended that you use the cable provided. However, if you choose to use another cable it must be a straight-through 10BASE-T Ethe...
Page 31 - Connecting to Another
Installing the 56K LAN Modem 31 Connecting to Another Ethernet Hub You can connect to another Ethernet hub to allow up to 25 users to access the WAN. Instructions for adding another Ethernet hub to allow 10 users, a more common scenario, is as follows. Before You Begin In addition to an external 10B...
Page 32 - Installing Analog; To install an analog device:; Analog Equipment Connection; To install the power cable:; Power Cable Connection
32 C HAPTER 3: H ARDWARE D ESCRIPTION AND I NSTALLATION Installing Analog Equipment You can connect an analog touch-tone telephone, answering machine, fax machine, or external analog modem to the 56K LAN Modem’s pass-through Phone port. You will need an RJ-11 to RJ-11 cable that came with the analog...
Page 33 - Installing the Power Cable; This completes the 56K LAN Modem installation.
Installing the Power Cable 33 2 Plug the other end of the power module into a surge-protected standard 110 VAC wall outlet. The PWR and AA indicator LEDs illuminate. The ALERT LED flashes momentarily as the unit undergoes a power-up self-test diagnostic. Once completed, only the PWR LED and LAN port...
Page 35 - TCP/IP Setup Using Windows 95 and 98; Network Dialog Box; Click
4 S ETTING U P TCP/IP FOR W INDOWS AND M 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 56K LAN Modem. If you already have TCP/IP installed and set up on your computer, then go on ...
Page 36 - Select Network Component Type Dialog Box; Protocol; Select Network Protocol Dialog Box; Microsoft
36 C HAPTER 4: S ETTING U P TCP/IP FOR W INDOWS AND M ACINTOSH Figure 17 Select Network Component Type Dialog Box 3 Select Protocol and then click Add . The Select Network Protocol dialog box appears. Figure 18 Select Network Protocol Dialog Box 4 From the Manufacturers list box, select Microsoft , ...
Page 37 - IP Address; IP Address Dialog Box; Obtain an IP Address automatically
TCP/IP Setup Using Windows 95 and 98 37 Figure 19 Network Dialog Box 7 Select IP Address . The IP Address dialog box appears. Figure 20 IP Address Dialog Box 8 Most users should select Obtain an IP Address automatically as most LANs utilize dynamic IP addresses. If this LAN uses static IP addressing...
Page 38 - TCP/IP Properties Advanced Screen; OK
38 C HAPTER 4: S ETTING U P TCP/IP FOR W INDOWS AND M ACINTOSH Figure 21 TCP/IP Properties Advanced Screen 10 Check the box to set TCP/IP as the default protocol. 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 th...
Page 39 - Windows NT Protocols Configuration Window; Add; Select Network Protocol Window; DHCP Message Box
TCP/IP Setup Using Windows NT 4.0 39 Figure 22 Windows NT Protocols Configuration Window 3 Click Add . The Select Network Protocol window appears as shown in Figure 23. Figure 23 Select Network Protocol Window 4 Select TCP/IP Protocol and then click OK . The following message appears. Figure 24 DHCP...
Page 40 - Network Protocols Window
40 C HAPTER 4: S ETTING U P TCP/IP FOR W INDOWS AND M ACINTOSH If you are using dynamic IP addressing on your LAN and would like your LAN Modem to act as your DHCP server, select Yes. Note that you must select Yes if there is no other DHCP server on your LAN. 6 You are then prompted to insert your i...
Page 41 - Microsoft TCP/IP Properties Window
TCP/IP Setup Using Mac OS 7.6 or later 41 Figure 26 Microsoft TCP/IP Properties Window 9 From the Adapter drop down list box, select the Ethernet card that is connected to the 56K LAN Modem. 10 If this LAN uses dynamic IP addresses, select Obtain an IP Address automatically . If this LAN uses static...
Page 42 - TCP/IP Dialog Box for Macintosh Computers; Setting up TCP/IP using; Program Manager Group Box
42 C HAPTER 4: S ETTING U P TCP/IP FOR W INDOWS AND M ACINTOSH Figure 27 TCP/IP Dialog Box for Macintosh Computers 2 Select Ethernet from the Connect via drop down list box. 3 Most users should select Using DHCP Server from the Configure drop-down list box, as most LANs utilize dynamic IP addressing...
Page 45 - Getting; Typical Configuration; The typical configuration covers the following main steps.; Main Steps for Typical Configuration; You should only have one computer physically connected to the 56K
5 C ONFIGURING THE 56K LAN M ODEM This chapter describes the typical configuration procedure for your 56K LAN Modem. These steps include setting up your 56K LAN Modem and connecting to the Internet. If you have already followed the instructions provided in your Getting Started Guide , then you have ...
Page 46 - You Should Have This; If you have been
46 C HAPTER 5: C ONFIGURING THE 56K LAN M ODEM You Should Have This Information If you want to set up a connection to an ISP, you will need: ■ Your ISP’s telephone access number. ■ Your user name, password and DNS address (if your service provider requires a specific DNS address). Determine Whether ...
Page 47 - Setting Up Your
Typical Configuration 47 Setting Up Your Computer If You Have a Static IP Address If your computer has a static IP address, you must verify and possibly change some settings on your computer before you begin the LAN Modem configuration procedure. The 56K LAN Modem must be your gateway to get outside...
Page 48 - For Macintosh Users
48 C HAPTER 5: C ONFIGURING THE 56K LAN M ODEM 8 In the TCP/IP DNS Server box, enter the Gateway IP address you wrote down as part of the previous step and then click Add . 9 Click OK to close the Microsoft TCP/IP Properties dialog box. 10 Click OK to close the Network Control Panel box. You are ask...
Page 49 - Configuring the 56K LAN; Launch your Web browser.; Initial Setup Welcome Window
Typical Configuration 49 Configuring the 56K LAN Modem for the Typical Configuration The following steps allow you to configure the 56K LAN Modem for the typical configuration. You may need the IP address which you recorded previously in the “Setting Up Your Computer If You Have a Static IP Address”...
Page 50 - Set Password Window; If do not wish to enter a password, leave the fields empty.
50 C HAPTER 5: C ONFIGURING THE 56K LAN M ODEM Figure 33 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 do not wish to enter a password, leave the fields empty. 4 Click Submit . A message box indicates th...
Page 51 - ISP Wizard Window
Typical Configuration 51 Figure 34 ISP Wizard Window 5 In the ISP Name field, enter a name that you wish to associate with your ISP. 6 In the Dial Out Prefix field, enter the number required to access an outside line. An example would be dialing “9” for use with a PBX. If not required, leave this fi...
Page 52 - Configuring a Static IP
52 C HAPTER 5: C ONFIGURING THE 56K LAN M ODEM If you cannot access a Web site and your computer has a static IP address, refer to “Configuring a Static IP Address on the 56K LAN Modem”. If you experience any other problems, refer to Chapter 7, “Placing, Receiving and Disconnecting Calls”. You will ...
Page 53 - Configure Additional
Typical Configuration 53 6 Enter your password and then click Submit . The 56K LAN Modem’s main configuration page appears. 7 Click the ISP Wizard button. You will see the information you entered previously. 8 Click Continue . A call is launched to your ISP. A congratulations message appears when yo...
Page 54 - from the; 6K LAN Modem WebWizard Main Page; Links From the
54 C HAPTER 5: C ONFIGURING THE 56K LAN M ODEM 56K LAN Modem Main Page The 56K LAN Modem main page is shown in Figure 35. From here you can access configuration parameters as well as place and disconnect manual calls. Bookmark this page for easy access. Alternatively, if you are using the 56K LAN Mo...
Page 55 - 6K LAN Modem Main Page; Links from the Buttons
56K LAN Modem Main Page 55 ■ Current Call Status: Jumps to the call statistics page where the latest call information is displayed. Links from the Buttons ■ Home: Jumps to this main configuration page of the 56K LAN Modem. ■ ISP Wizard: Allows you to configure an ISP profile. Note that if you have a...
Page 58 - Telephone number(s) you must dial to access this ISP
58 C HAPTER 6: A DVANCED C ONFIGURATION your LAN; in other words, all (up to 25) computers on the LAN have access to and may connect to that ISP and therefore the Internet. You may wish to review the profile for this ISP connection to determine if you would like to make any changes. For instructions...
Page 59 - Setting Up Additional Service Providers; Setting Up a Connection to the Internet; To set up a connection to an ISP, do the following.; ISP Service Provider Selection Window; Select
Setting Up Additional Service Providers 59 Setting Up a Connection to the Internet To set up a connection to an ISP, do the following. 1 From the 56K LAN Modem main page, click the Service Providers image. Figure 36 ISP Service Provider Selection Window 2 Select New (Internet Service Provider) from ...
Page 60 - ISP Parameters Window; In the
60 C HAPTER 6: A DVANCED C ONFIGURATION Figure 37 ISP Parameters Window 3 In the Name field, enter a name for this remote destination, such as the name of your ISP. If you have more than one account with this particular ISP, you may wish to enter a more descriptive name. 4 In the Dial Out Prefix fie...
Page 61 - Yes
Setting Up Additional Service Providers 61 9 For DNS IP Address(es), enter the primary DNS address of your ISP in the Primary field, if required (that is, your ISP does not automatically supply these addresses upon establishing a connection). If there is a secondary address, enter it in the Secondar...
Page 62 - Setting Up a Connection; Service Providers; Private Network Service Provider Selection Window; New Private Network
62 C HAPTER 6: A DVANCED C ONFIGURATION Setting Up a Connection to a Private Network This section describes your 56K LAN Modem setup procedures for accessing a private network, such as a remote office or corporate LAN. Before You Begin Before you begin, you will need the following information from y...
Page 63 - Private Network Parameters Window
Setting Up Additional Service Providers 63 Figure 39 Private Network Parameters Window 3 In the Name field, enter a name for this remote destination, such as the location of the remote office. You may wish to use a more descriptive name if you have more than one account with this private network. 4 ...
Page 64 - The IP address and subnet mask fields are mandatory.
64 C HAPTER 6: A DVANCED C ONFIGURATION 6 In the Telephone Number 1 field, enter the telephone number you must dial in order to reach your ISP. 7 In the Telephone Number 2 field, enter an alternate number to dial your ISP, to be used if the first number is unavailable. 8 Under Security, enter your u...
Page 65 - Associating Service Providers with Computers on the LAN; Modem Settings
Associating Service Providers with Computers on the LAN 65 18 Advanced users can review or make changes to the modem settings associated with this service provider by clicking the Modem Settings button. To leave these values set to their defaults, click Submit. To change these settings, refer to “Co...
Page 66 - Submit; Restricting Access to; Workstation Parameters
66 C HAPTER 6: A DVANCED C ONFIGURATION To change the associations of this particular workstation, do the following. 1 Check or clear the boxes of the service providers you would like to associate or disassociate. 2 Click Submit . If you wish to password protect the configuration profile of the 56K ...
Page 67 - Configuring LAN Parameters; Understanding LAN; LAN Parameters Window; Name; LANmodem; IP Address and Subnet Mask
Configuring LAN Parameters 67 Configuring LAN Parameters This section describes how to configure the parameters of your LAN. (LAN refers to that section of the network comprising your 56K LAN Modem and all of the computers or devices attached to it by means of Ethernet cabling.) This section describ...
Page 68 - Local Domain Name
68 C HAPTER 6: A DVANCED C ONFIGURATION WARNING: If you change the IP address and/or the subnet mask, the 56K LAN Modem will re-initialize itself to work with the new settings. All calls will be terminated and you may need to reconfigure the IP address(es) of the computer(s) connected to your 56K LA...
Page 69 - Configuring Modem Control Parameters; Understanding Modem; Table 5; Connection Controls; Table 6; Mode Controls; Protocol Controls; Protocol Controls; If disabled
Configuring Modem Control Parameters 69 If you wish to password protect the configuration profile of the 56K LAN Modem, refer to “Locking and Unlocking the Configuration.” Configuring Modem Control Parameters Most users will be able to safely leave the modem control parameters set to their default v...
Page 70 - Changing Modem; Modem Controls Page; Save
70 C HAPTER 6: A DVANCED C ONFIGURATION Changing Modem Controls To access and make changes to the Modem Control parameters, do the following. 1 Click the Service Providers icon from the LAN Modem’s main page. 2 Choose the service provider whose associated modem parameters you want to change and clic...
Page 71 - Changing Data Call Parameters; Understanding Data Call; Data Call Parameters Window; Minimum Call Duration
Changing Data Call Parameters 71 Changing Data Call Parameters This section describes changing the data call parameter default settings. The data call parameters consist of timeout values for both automatic calls and manual calls. The timeout values are a useful means of controlling bandwidth effici...
Page 72 - Disconnecting a Manual Data Call; Manual Calling; Number of Times to Redial for a Manual Call; Clock
72 C HAPTER 6: A DVANCED C ONFIGURATION simultaneously with the minimum call duration. For example, if the minimum call duration is set to two minutes, and the inactivity timer is set to 30 seconds, the call will be connected for at least two minutes even if there has been no activity for 30 seconds...
Page 73 - Changing Your Password; What If I Forget My
Changing Your Password 73 To set up selective password protection, do the following. 1 From the LAN Modem main page, click the Password button. 2 Check the box labeled Disable password protection for Manual Calling screen. 3 Click Submit . All workstations are now able to access the Manual calling s...
Page 74 - Configuring the LAN
74 C HAPTER 6: A DVANCED C ONFIGURATION Configuring the LAN Modem from a Remote Location This section provides instructions for accessing and making configuration changes to your LAN Modem remotely using either another LAN Modem or an analog modem. In addition you will need a Web browser, and any PP...
Page 75 - Configuring the LAN Modem from a Remote Location
Configuring the LAN Modem from a Remote Location 75 For Windows 95 users: PPP, Windows 95, Windows NT 3.5, Internet should be chosen in the Type of Dial-Up Server list box. For Windows 98 users: PPP, Internet, Windows NT Server, Windows 98, should be chosen in the Type of Dial-Up Server list box. 9 ...
Page 77 - Placing Calls; Placing a Call; Windows 98 and 95 users may need to disable “; Call Routing Among Service Providers; Workstation
7 P LACING , R ECEIVING AND D ISCONNECTING C ALLS This chapter covers the following main topics: ■ Placing calls ■ Receiving calls ■ Disconnecting calls ■ Using a connection script Placing Calls Your 56K LAN Modem allows you to place calls to a remote location in one of two ways: either automaticall...
Page 78 - TempSvcProvider
78 C HAPTER 7: P LACING , R ECEIVING AND D ISCONNECTING C ALLS Placing a Call Manually You can also choose to manually place a call to either an existing service provider or to a destination that has not been defined. To place a call manually to an existing service provider (that is, one that is alr...
Page 79 - Receiving Calls; R eceiving Calls; Receiving Voice Calls; Maintenance
Receiving Calls 79 R eceiving Calls The 56K LAN Modem can receive both voice and data calls, as follows. Receiving Voice Calls Voice calls received by the 56K LAN Modem will be routed to any analog equipment connected to the Phone port, by default, assuming that a data call is not currently connecte...
Page 80 - Disconnecting Calls
80 C HAPTER 7: P LACING , R ECEIVING AND D ISCONNECTING C ALLS Disconnecting Calls You can disconnect calls manually or utilize timers to disconnect calls automatically. Disconnecting Calls Manually To disconnect calls manually, do the following: 1 From the 56K LAN Modem home page, click Manual Call...
Page 81 - Using a Connection Script; Accessing the Script; Script Configuration Page
Using a Connection Script 81 Accessing the Script Configuration Page You can associate a unique connection script for each of your four service provider profiles. You enter the script via the LAN Modem’s Script Configuration page. To access the Script Configuration page, do the following. 1 From the...
Page 82 - Username; Using the Configuration
82 C HAPTER 7: P LACING , R ECEIVING AND D ISCONNECTING C ALLS Creating a Connection Script You can choose to manually create a script from within a text editor of your choice and copy and paste the script directly into the Script Configuration text box. Or you may use the buttons located along the ...
Page 83 - begin; Login; transmit “mypassword^M”
Using a Connection Script 83 6 Enter the Parity setting required by your service provider. Enter e if the remote server requires Even parity, o if the remote server requires Odd parity, or n if the remote server requires that parity be set to None . Click OK when finished. The Stop Bits dialog box o...
Page 84 - Additional Configuration Buttons; The Erase button clears the script window of all text.
84 C HAPTER 7: P LACING , R ECEIVING AND D ISCONNECTING C ALLS Once completed, your script will be automatically invoked each time you launch a call to your service provider. Additional Configuration Buttons The Script Configuration page provides the following configuration buttons, located along th...
Page 85 - There are no user-serviceable parts inside your 56K LAN Modem.; Checking the Basics; Monitoring the ALERT
8 T ROUBLESHOOTING AND M AINTENANCE This chapter explains how to isolate and solve problems encountered with the 56K 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 ■ Eval...
Page 86 - Monitoring the LAN Port; Table 8; Symptom;
86 C HAPTER 8: T ROUBLESHOOTING AND M AINTENANCE ■ A fast flash of the ALERT LED indicates that the DHCP server has issued all of the available IP addresses, and is unable to fulfill a request for a new IP address. Refer to “ALERT LED continues to flash” for more information. Monitoring the LAN Port...
Page 90 - Updates; Resetting the 56K LAN
90 C HAPTER 8: T ROUBLESHOOTING AND M AINTENANCE Finding More Information For more information about the 56K LAN Modem, such as frequently asked questions and specific technical notes, go to the following URL, http://www.remoteaccess.3com.com/support/docs/lanmodem/welcome.html nd then bookmark this ...
Page 91 - Reviewing Statistics; Understanding System; Table 9; Description of System Statistics
Reviewing Statistics 91 Reviewing Statistics Various statistics about LAN and WAN parameters are stored and available for review. To view statistics, do the following. 1 From the 56K LAN Modem’s home page, select Statistics. 2 Select the type of statistics you would like to review. You can view the ...
Page 92 - Understanding Last Call; The last call information is described in Table 11.; Current Call Information Description (continued)
92 C HAPTER 8: T ROUBLESHOOTING AND M AINTENANCE Understanding Last Call Information The last call information is described in Table 11. Secondary DNS address Indicates the secondary DNS address of the service provider to which the current call is connected. This field will be empty if a secondary D...
Page 93 - Understanding Service; Reason for call coming up; Last Call Information Description; Number of failed connections
Reviewing Statistics 93 Understanding Service Provider Information The Service Provider information described in Table 12 is provided after a call has ended. Reason for call coming up Indicates how the call was placed and which workstation placed the call. Depending on how the call placed you should...
Page 95 - Example of a LAN
A N ETWORKING P RIMER This chapter provides a description of basic networking concepts and modem terminology to help you better understand the key functionality of the 56K LAN Modem. What is a network? A network is a set of computers and other devices such as printers, modems, and scanners that are ...
Page 96 - How does a LAN connect
96 A PPENDIX A: N ETWORKING P RIMER How does a LAN connect to a WAN? You can connect a LAN to a WAN via a number of devices such as a router or a bridge that can place a call to the remote LAN using an analog telephone line. Routers and bridges are devices that link networks. A bridge sends every bi...
Page 97 - What is a Subnet Mask?; Subnet Mask; Dynamic and Static IP
What is a network? 97 as Class C. The next 21 bits identify the network and the last 8 represent the local or host address, limiting the number of devices to 256. In contrast, a Class A network allocates 24 bits for local addresses, allowing for many more devices. IP addresses are composed of four s...
Page 98 - Kbps
98 A PPENDIX A: N ETWORKING P RIMER What is NAT? Network Address Translation, also known as IP address sharing, allows multiple users to share a single connection, such as an Internet connection. For example, with the 56K LAN Modem, when any user on the LAN launches a Web browser for Internet access...
Page 99 - Possible Limitations
What is a network? 99 Note that employing data compression upon pre-compressed files, such as a ZIP archive, may actually increase the time required for file transmission. As such, V.42bis is preferable in these circumstances, as it is capable of recognizing pre-compressed files and withholding addi...
Page 101 - 6K LAN Modem Custom Internet Explorer Browser; Custom Links; Configure Modem
B U SING THE C USTOM W EB B ROWSER An Internet Explorer Web browser tailored for use with your 56K 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 56K LAN Modem, as shown in Figure 47, making it easier to use. If you ...
Page 102 - Using Favorites; To install the custom web browser, do the following
102 A PPENDIX B: U SING THE C USTOM W EB B ROWSER ■ User Guide Click here to jump to the Internet location of the OfficeConnect 56K 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:...
Page 103 - Refer to Table 13 for the 56K LAN Modem factory defaults.; 6K LAN Modem Factory Defaults
C F ACTORY D EFAULTS This appendix lists the factory default settings of the 56K LAN Modem. 56K LAN Modem Factory Defaults Refer to Table 13 for the 56K LAN Modem factory defaults. Table 13 56K LAN Modem Factory Defaults LAN Parameters LAN Modem IP Address * * The 56K LAN Modem attempts to use this ...
Page 105 - PECIFICATIONS; General; General Specifications; Refer to Table 14 for the 56K LAN Modem specifications.; 6K LAN Modem Specifications
D S PECIFICATIONS This appendix describes the following specifications of the 56K LAN Modem. ■ General ■ Year 2000 Compliance General Specifications Refer to Table 14 for the 56K LAN Modem specifications. Year 2000 Compliance The OfficeConnect LAN Modem is Year 2000 compliant. Specifically, its syst...
Page 107 - LOSSARY; Value set at the factory.
G LOSSARY analog signals A variety of signals and wavelengths that can be transmitted over communications lines. An example is a voice call over the phone line. baud rate A term used to measure the speed of an analog transmission from one point to another. Although not technically accurate, baud rat...
Page 108 - Microsoft’s proprietary version of CHAP. See also CHAP.; PPTP; A router is a device that links networks.
108 G LOSSARY ITU International Telecommunications Union. Headquartered in Geneva, Switzerland the ITU is an international organization within which governments and the private sector coordinate global telecom networks and services. IP address An IP address is a set of numbers that uniquely identifi...
Page 109 - VPN
G LOSSARY 109 V.34+ An enhancement to V.34 that enables transfer rates as high as 33, 600 bps. V.90 V.90 is the ITU standard which allows modems to receive data at up to 56Kbps over the standard, public switched telephone network (PSTN). V.90 technology exploits the digital connections that most Int...
Page 113 - Com Corporation L; IMITED
3Com Corporation L IMITED W ARRANTY OfficeConnect 56K LAN Modem H ARDWARE 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,...
Page 114 - FCC C; LASS; B S; TATEMENT
W ARRANTIES E XCLUSIVE 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 EXCLUSIV...
Page 115 - FCC D; ECLARATION; FCC P
■ 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-...