User manual
Table Of Contents
- Table of Contents
- About This Guide
- Introduction
- ISDN LAN Modem Functionality Description
- Hardware Description and Installation
- Setting Up TCP/IP for Windows and Macintosh
- Configuring the ISDN LAN Modem
- Advanced Configuration
- Before you Begin
- Setting Up Additional Service Providers
- Editing Service Provider Profiles
- Restricting Workstations from Accessing Service Provider(s)
- Configuring Your LAN Parameters
- Changing Data Call Parameters
- Changing Voice Call Routing
- Reserving DHCP Addresses
- Selective Password Protection
- Changing Your Password
- Setting Up Your ISDN Line Manually
- Locking and Unlocking the Configuration
- Configuring the ISDN LAN Modem from a Remote Location
- Supplementary Voice Call Services
- Placing, Receiving and Disconnecting Calls
- Troubleshooting and Maintenance
- 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 ISDN?
- 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 network?
- Using the Custom Web Browser
- ISDN LAN Modem Factory Defaults
- ISDN LAN Modem Specifications
- Ordering ISDN Service
- If You Place Your ISDN Order Through 3Com
- If You Place Your ISDN Order Through the Telephone Company
- Supplementary Voice Features Included with U, EZ-ISDN-1, V and EZ-ISDN 1A
- Limitations of ISDN Ordering Codes U, EZ-ISDN 1, V and EZ-ISDN 1A
- What If I Already Have ISDN Service?
- Table of ISDN Ordering Code Capabilities
- Glossary
- Index
- 3Com Corporation Limited Warranty

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.
This guide describes how to install and configure the OfficeConnect ISDN LAN
Modem and provides descriptions of key applications and networking concepts.
Audience Description
This guide is intended for end users with no presumed level of expertise.
How to Use
This Guide
Table 1 shows where to find specific information in this guide.
Table 1
If you are looking for... Turn to...
An overview of the ISDN LAN Modem Chapter 1
An explanation of the ISDN LAN Modem’s key functionality Chapter 2
A description of the ISDN LAN Modem’s hardware components Chapter 3
Instructions on setting up TCP/IP Chapter 4
Instructions for the typical configuring of the ISDN LAN Modem software Chapter 5
Instructions for advanced configuration of the ISDN LAN Modem software Chapter 6
Information on supplementary voice services Chapter 7
Information on placing, receiving and disconnecting calls Chapter 8
Information on troubleshooting and maintenance Chapter 9
Background information on networking Appendix A
Information on using the custom browser Appendix B
ISDN LAN Modem factory default settings Appendix C
Technical specifications for the ISDN LAN Modem Appendix D
Instructions for ordering ISDN service for the ISDN LAN Modem Appendix E
Definition of terms Glossary