Isdn Lan Modem; Functionality Description; Connection Types; Lan Side Connection - 3Com OfficeConnect 3C892 User Manual

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Connection Types

LAN Side Connection

ISDN LAN M
F
UNCTIONALITY
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.
The ISDN LAN Modem provides LAN side and WAN side connections.
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.
10 Mbps
Ethernet LAN
Figure 4 ISDN LAN Modem LAN Connection with 10 Workstations
An example of a single connection is shown in Figure 5.
ODEM
D
ESCRIPTION
®
OfficeConnect
Hub 8 TPO
Port Status Network Utilization Office 3 Com
Connect ¤
Alert PWR PKT COLL 1 2 3 4 5 6 7 8 COAX 1% 2% 3% 6% 12% 25% 50% 80% Hub
green = link OK, off = link fail, yellow = partition
LAN STATUS
OfficeConnect® 3 Com
Alert PWR ISDN B1 B2 Tx Coll 1 2 3 4

ISDN LAN Modem

®
OfficeConnect
ISDN LAN Modem