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Designing and Expanding the Network 2 - 7
Choosing a Network Backbone Cabling Structure
Because of fiber's long-distance capabilities and immunity to noise, 3Com
strongly recommends using fiber as the backbone.
This section describes:
❑ Building a Network (Star Configuration)
❑ Building a Network (Serial Configuration)
You can implement either of these configuration topologies when
connecting your network backbone using 10BASE-FB modules installed in
an ONline System Concentrator.
ONline Ethernet BNC Module 900
Incoming signal to BNC port 450
Outgoing signal from BNC port 450
ONline Ethernet Repeater Module 800
Incoming signal to AUI port 600
Outgoing signal from AUI port 200
IEEE Repeater 800
Table 2-2. LAN Product Equivalent Distances (Continued)
LAN Product
Equivalent
Distance (meters)