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
vii
Connect/Disconnect threshold for the second B channel 89
89
89
9
T
ROUBLESHOOTING
AND
M
AINTENANCE
Checking the Basics 91
Monitoring LEDs 92
Monitoring the ALERT LED 92
Monitoring the ISDN LED 92
Monitoring the
B Channel LEDs 92
Monitoring the LAN Port Status LEDs 92
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
Understanding System Statistics 101
Understanding ISDN Information 102
Understanding Current Call Information 102
Understanding Last Call Information 103
Understanding Service Provider Information 104
A
N
ETWORKING
P
RIMER
What is a network? 105
What is a LAN? 105
What is a WAN? 105
How does a LAN connect to a WAN? 106
What is a LAN modem? 106
What is ISDN? 106
How do different devices communicate with each other? 107
What is TCP/IP? 107
What is an IP Address? 108
What is a Subnet Mask? 108
Dynamic and Static IP Addresses 108
What is DHCP? 109
What is DNS? 109
What is NAT? 109
What are numbered and unnumbered links? 109
How is overall throughput determined? 109
B
U
SING
THE
C
USTOM
W
EB
B
ROWSER
Custom Links 111
Using Favorites 112
Installing the Custom Internet Explorer Browser 112