3Com 3C892 - page 29

Installing the ISDN LAN Modem 29

CAUTION: You should only have one computer physically connected to the ISDN

LAN Modem during configuration. Once yo u complete the configuration process,

connect any other computers you would li ke to have on the LAN and then power

cycle each computer. If the newly-added computers cannot communicate with the

ISDN LAN Modem, refer to “Evaluatin g Symptoms and S olutions” in Chapter 9 .

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 a llow 10 users, a more

common scenario, is as follows.

Before You Begin

In addition to an external 10BASE-T Ethernet hub, you will need a 10BASE-T

Ethernet cable, which may have been provided with the additional hub. If the hub

to which you are connecting your LAN Mode m does not have an MDI/X switch,

you must use a crossover cable.

1Insert one end of the 10BASE-T Ethernet cable into one of the four LAN ports on

the back of the ISDN LAN Modem, as show n in Figure 15.

Figure 15 10BASE-T Hub-to-Hub Connection

2Insert the opposite end of the cable into a 10 BASE-T Ethernet port on the other

Ethernet hub.

If you are connecting to an OfficeConnect Hub 8/TPO, insert the opposite end of

the Ethernet cable into port 8 and then set the MDI/X switch to MDI (that is,

pressed in). Make sure that the LED associated with that Ethernet port is lit. If it is

not, try changing the MDI/X switch setting.

+

-

10-18VDC

0.8AMAX 1PHONE2

RESET ISDN

+

-

10-18VDC

0.8AMAX

MDI/MDIX

87654321

Contents

Main ii 3Com Corporation 5400 Bayfront Plaza Santa Clara, California 95052-8145 T ABLE OF CONTENTS ABOUT THIS GUIDE 1 2 3 4 5 6 7 8 9 A B C D E ABOUT THIS GUIDE How to Use This Guide Conventions Year 2000 Compliance Table2 Notice Icons Table3 Text Conventions 1 Introduction Applications Page Features Page Page Page 2 FUNCTIONALITY DESCRIPTION Connection Types Page Connection Types 19 One High Speed Connection to a Single Location Figure 8 Shared Connection to the Same Location Figure 7 One High-Speed Connection to a Single Location Mary Call Routing Protocol and IP Address Trans lat ion Understanding Multilink PPP and BACP/BAP Understanding Dynamic Bandwidth Allocation Understanding VPNs and PPTP Page 3 I Package Contents Before You Install the Front Panel LED Description The front panel provides the following LEDs. Figure 11 ISDN LAN Modem Front Panel Table4 Front Panel LED Indicator Definitions Installing the ISDN LAN Modem Page Page Page Wall Mounting the ISDN LAN Modem WARNING: Using Rubber Feet and Stacking Clips 4 Page Page TCP/IP Setup Using Windows NT 4.0 Page Page TCP/IP Setup Using Mac OS 7.6 or later TCP/IP Setup Using Windows 3.11 Page Page 5 M Typical Configuration Before You Begin Page Page Page Configuring the ISDN LAN Modem for t he Typical Configuration Page Page Page Page ISDN LAN Modem Main Page Page Page 6 Before you Begin Setting Up Additional Service Providers Page Page Page Page Page Page Page Editing Service Provider Profiles Page Page Changing Data Call Parameters Page Page 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 Page Page 7 S Supplementary Voice Services Call Waiting How to Use Call Waiting To use Call Waiting, do the following. Table1 How t o Use Call Waiting Caller ID Flexible Calling Call Conference (Three-Way Calling) Table2 How to Use Call Conference Table3 How to Use Call Transfer Message Service/Voice Mail Call Forwarding Page 8 DISCONNECTING CALLS Placing Calls Placing a Call Automatically Placing a Call Manually Receiving Calls Disconnecting Data Calls Page Page 9 M Checking the Basics Monitoring LEDs Troubleshooting Problems Indicated by LEDs Table5 Troubleshooting Problems Indicated by LEDs Evaluating Symptoms and Solutions Table6 lists symptom s of common problems, possible causes, and possible solutions. Page Page Page Page Page Finding More Information Contacting Technical Support Downloading Firmware to Your Resetting the ISDN LAN Modem Reviewing Statistics Understanding ISDN Information The current call information provided is as follows. Understanding Current Call Information Table9 Table10 Current Call In formation Description Understanding Last Call Information The last call information for both B channels (that is, call 1 and call 2) is as follows. Table11 Understanding Last Call Information Table10 Current Call Information D escription Understanding Service Provider Information The following Service Provider information is provided after a call has ended. Table12 Service Provider Information Description A What is a network? Page Page Page Page Page B Custom Links Using Favorites Installing the Custom Internet Explorer Browser C D Table13 ISDN LAN Modem Fa ctory Defaults Page D Refer to Table14 for the ISDN LAN Modem specifications. Table14 ISDN LAN Modem Specifications Year 2000 Compliance E If You Place Your ISDN Order Through 3Com If You Place Your ISDN Order Through the Telephone Company Page 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 Page What If I Already Have ISDN Service? Table of ISDN Ordering Code Capabilities G Page Page Page I A B C D Page 3Com Corporation LIMITED WARRANTY OfficeConnect ISDN LAN Modem H S OBTAINING WARRANTY S L IMITATION OF L D G OVERNING L DECLARATION OF C FCC PART 68 STATEMENT 3Com Corporation C ANADIAN N