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
D
ISDN LAN M
ODEM
S
PECIFICATIONS
Refer to Table 14 for the ISDN LAN Modem specifications.
Table 14
ISDN LAN Modem Specifications
Network Interface
ISDN Basic rate telephone service provided by the
telephone company
Network (ISDN) Connector
RJ49C
Facility Interface Code
02IS5
ISDN Interface Type
U (integrated NT1)
LAN Interface
Ethernet IEEE 802.3 10BASE-T standard
Physical Dimensions
Length 8.66 in (22.0 cm)
Width 5.44 in (13.8 cm)
Height 1.56 in (4.0 cm)
Environmental Operating
Range
Operating temperature 50° to 122°F (10° to 50°C)
Relative humidity Up to 90% noncondensing
Power
Input 120 VAC
*
Output 13 VDC
Ringer Equivalence Number
(REN)
3 per analog phone port on up to 200 feet of
AWG 26 or heavier AWG wiring
Phone Port Loop Current
25 mA per port
Ringing Voltage
42 VAC
EMI Certification
FCC Part 15, Part 68, Class B