Document Outline

• Important Safety Information
  • Additional Safety Information
• Table of Contents
• About This Guide
  • Introduction
  • How to Use ThisGuide
  • Conventions
  • Year 2000 Compliance
• Introduction
  • Introduction
    • 56K Access
  • Applications
    • Local Networking with Access to the Internet
    • Local Networking with Access to a Remote Office
  • Features
    • Ease of Installation and Use
    • High Performance
    • Connectivity
    • Routing
    • Bandwidth Management
    • ˘Remote Management
    • Protocols
    • Error Control and Data Compression
    • Modulation Schemes
    • Security
    • Upgradability
    • Diagnostics
    • Warranty
    • Support for Internet Applications
• 56K LAN Modem Functionality Description
  • Connection Types
    • 56K Technology
    • LAN Side Connection
      • Application Sharing over the LAN
    • WAN Connection
    • One High Speed Connection
    • Sharing the Connection
  • Call Routing Protocol and IP Address Translation
    • Placing a Call to a Previously Defined Destination
      • Call Routing While No Other Calls are Connected
  • Understanding VPNs and PPTP
    • Setting Up the Server Side of the Tunnel
    • Setting Up the Client Side of the Tunnel
      • For Windows Dial-Up Networking Users
    • Establishing a Tunnel via the LAN Modem
• Hardware Description and Installation
  • Package Contents
  • Before You Install the 56K LAN Modem
  • Front Panel LED Description
    • Back Panel Connector Description
  • Installing the 56K LAN Modem
    • Before You Begin
    • Installing the Analog Cable
    • Connecting to a 10BASE-T Ethernet Port
    • Connecting to Another Ethernet Hub
      • Before You Begin
    • Installing Analog Equipment
  • Installing the Power Cable
• Setting Up TCP/IP for Windows and Macintosh
  • TCP/IP Setup Using Windows 95 and 98
  • TCP/IP Setup Using Windows NT 4.0
  • TCP/IP Setup Using Mac OS 7.6 or later
  • TCP/IP Setup Using Windows 3.11
    • Setting up TCP/IP using MS_TCP
• Configuring the 56K LAN Modem
  • Typical Configuration
    • Before You Begin
    • You Should Have This Information
    • Determine Whether You Use Dynamic or Static IP Addresses
    • Setting Up Your Computer If You Have a Static IP Address
      • For Windows 98 and 95 Users
      • For Windows NT 4.0 Users
      • For Macintosh Users
      • For Windows 3.11 Users
    • Configuring the 56K LAN Modem for the Typical Configuration
    • Configuring a Static IP Address on the 56K LAN Modem
    • Configure Additional Parameters
  • 56K LAN Modem Main Page
    • Links From the Illustration
    • Links from the Buttons
• Advanced Configuration
  • Advanced Configuration
  • 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
  • Associating Service Providers with Computers on the LAN
  • Editing Service Provider Profiles
    • Restricting Access to Service Providers
  • Configuring LAN Parameters
    • Understanding LAN Parameters
      • Name
      • IP Address and Subnet Mask
      • Local Domain Name
      • Enable DHCP Server
      • Enable NetBIOS Filtering
    • Configuring the LAN Parameters
  • Configuring Modem Control Parameters
    • Understanding Modem Controls
      • Connection Controls
      • Mode Controls
      • Protocol Controls
    • Changing Modem Controls
  • Changing Data Call Parameters
    • Understanding Data Call Parameters
      • Minimum Call Duration
      • Disconnecting an Automatic Data Call
      • Disconnecting a Manual Data Call
      • Number of Times to Redial for a Manual Call
      • Delay Between Redial Attempts When Placing a Manual Call
    • Configuring the Data Call Parameters
  • Selective Password Protection
  • Changing Your Password
    • What If I Forget My Password?
  • Locking and Unlocking the Configuration
  • Configuring the LAN Modem from a Remote Location
    • Configuring the LAN Modem Remotely via Another LAN Modem
    • Configuring the LAN Modem Remotely via an Analog Modem
• Placing, Receiving and Disconnecting Calls
  • Placing Calls
    • Placing a Call Automatically
      • Call Routing Among Service Providers
    • Placing a Call Manually
    • Placing a Call Manually to a Temporary Service Provider
  • Receiving Calls
    • Receiving Voice Calls
    • Receiving Data Calls
    • Auto Answer
  • Disconnecting Calls
    • Disconnecting Calls Manually
    • Disconnecting Calls Automatically Using Timers
      • Minimum Call Duration
      • Idle Timeout
  • Using a Connection Script
    • Before You Begin
    • Accessing the Script Configuration Page
    • Creating a Connection Script
      • Connection Script Command Syntax
    • Using the Configuration Buttons
      • Additional Configuration Buttons
• Troubleshooting and Maintenance
  • Checking the Basics
  • Monitoring LEDs
    • Monitoring the ALERT LED
    • Monitoring the LAN Port Status LEDs
  • Evaluating Symptoms and Solutions
  • Finding More Information
  • Contacting Technical Support
  • Downloading Firmware to Your 56K LAN Modem
  • Resetting the 56K LAN Modem to a Factory Default Setting
    • Resetting the 56K LAN Modem to the Factory Defaults
  • Reviewing Statistics
    • Understanding System Statistics
    • Understanding Current Call Information
    • Understanding Last Call Information
    • Understanding Service Provider Information
• Networking Primer
  • What is a network?
    • What is a LAN?
    • What is a WAN?
    • How does a LAN connect to a WAN?
    • What is a LAN Modem?
    • What is a POTS connection?
    • How do different devices communicate with each other?
    • What is TCP/IP?
    • What is an IP Address?
    • What is a Subnet Mask?
    • Dynamic and Static IP Addresses
    • What is DHCP?
    • What is DNS?
    • What is NAT?
    • What are numbered and unnumbered links?
    • How is overall throughput determined?
    • What is a modem?
    • What is the difference between analog and digital signals?
    • What is error correction?
    • What is Data Compression?
    • How does 56K technology work?
      • Possible Limitations
• Using the Custom Web Browser
  • Custom Links
  • Using Favorites
  • Installing the Custom Internet Explorer Browser
    • Installing Future Releases of Internet Explorer
• Factory Defaults
  • 56K LAN Modem Factory Defaults
• Specifications
  • General Specifications
  • Year 2000 Compliance
• Glossary
• 3Com Corporation Limited Warranty
• FCC Class B Statement
• FCC Declaration of Conformity