Filter
Top Products
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 COLLPKT COAX1234
green = link OK, off = link fail, yellow = partition
Port Status
5678
1% 2%3% 6% 12% 25% 50%80%
Network Utilization
Office
Connect
¤
Hub
3 Com