2
ISDN LAN M
ODEM
F
UNCTIONALITY
D
ESCRIPTION
This chapter provides a description of the key functionality of the ISDN LAN
Modem. It includes the following topics:
■
Connection Types
■
Call Routing Protocol and IP Address Translation
■
Understanding Multilink PPP and Bandwidth on Demand
■
Understanding Dynamic Bandwidth Allocation
■
Understanding PPTP
For a basic understanding of ISDN and networking, refer to Appendix A.
Connection Types
The ISDN LAN Modem provides LAN side and WAN side connections.
LAN Side Connection
On the LAN side, up to four users can connect to the LAN Modem’s built in
Ethernet hub, or up to 25 users may connect to the LAN Modem via an external
user-supplied hub, enabling users to share files and printers and to use Internet
email. An example of ten workstation connections is shown in An example of 10
workstation connections is shown in Figure 4.
Figure 4
ISDN LAN Modem LAN Connection with 10 Workstations
An example of a single connection is shown in Figure 5.
10 Mbps
Ethernet LAN
OfficeConnect
®
ISDN LAN Modem
PWR
ISDN
B1 B2
3
Com
Alert
Tx Coll
1
2 3 4
LAN STATUS
OfficeConnect®
ISDN LAN Modem
OfficeConnect
®
Hub 8 TPO
Alert
PWR
COLL
PKT
COAX
1
2
3
4
green = link OK, off = link fail, yellow = partition
Port Status
5
6
7
8
1%
2%
3%
6% 12% 25% 50% 80%
Network Utilization
Office
Connect¤
Hub
3
Com
Summary of Contents for OfficeConnect Series
Page 15: ...16 CHAPTER 1 INTRODUCTION ...
Page 41: ...42 CHAPTER 4 SETTING UP TCP IP FOR WINDOWS AND MACINTOSH ...
Page 81: ...84 CHAPTER 7 SUPPLEMENTARY VOICE CALL SERVICES ...
Page 87: ...90 CHAPTER 8 PLACING RECEIVING AND DISCONNECTING CALLS ...
Page 107: ...110 APPENDIX A NETWORKING PRIMER ...
Page 111: ...114 APPENDIX C ISDN LAN MODEM FACTORY DEFAULTS ...
Page 123: ...126 GLOSSARY ...
Page 129: ......