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

104 C
HAPTER
9: T
ROUBLESHOOTING
AND
M
AINTENANCE
Understanding Service
Provider Information
The following Service Provider information is provided after a call has ended.
Called telephone
number
Voice or data For the last outgoing data call, indicates the telephone
number dialed to reach the service provider for the
current call. For the last incoming voice or data call,
indicates the telephone number dialed from the far
end. (For outgoing voice calls, no information is
provided.)
Reason for call going
down
Voice or data Indicates why the last call was disconnected. For
example, idle timer expired, or manual disconnect.
Reason for call coming
up
Data Indicates how the call was placed and which
workstation placed the call. Depending on how the call
was placed you should see something similar to the
following:
“Manual dial by Workstation A.”
“DNS query from Workstation A for
http://www.xxx.xxx.” If the call was automatically
launched and the workstation does not know the IP
address.
“Packet from Workstation A to IP address
xxxx.” If the call was automatically launched and the
workstation knows the IP address.
Last Call Information
For This Call
Type
Description
Table 12
Service Provider Information Description
Service Provider Information Description
Number of successful
connections
Indicates the total number of successful connections to
each service provider.
Number of failed connections Indicates the total number of unsuccessful connections to
each service provider.
Total number of octets received Indicates the total number of octets (bytes) received by the
ISDN LAN Modem.
Total number of octets
transmitted
Indicates the total number of octets (bytes) transmitted by
the ISDN LAN Modem.
Total connection time (seconds) Indicates the collective amount of time connected to each
service provider so far.