3Com 3824 Implementation Guide - Page 76
Configuration Rules for Fast Ethernet, Maximum UTP cable length is 100 m 328 ft over Category 5 cable.
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76 APPENDIX A: CONFIGURATION RULES Configuration Rules for Fast Ethernet The topology rules for 100 Mbps Fast Ethernet are slightly different to those for 10 Mbps Ethernet. Figure 20 illustrates the key topology rules and provides examples of how they allow for large-scale Fast Ethernet networks. Figure 20 Fast Ethernet configuration rules The key topology rules are: ■ Maximum UTP cable length is 100 m (328 ft) over Category 5 cable. ■ A 412 m (1352 ft) fiber link is allowed for connecting switch-to-switch, or endstation-to-switch, using half-duplex 100BASE-FX.
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76
A
PPENDIX
A: C
ONFIGURATION
R
ULES
Configuration Rules
for Fast Ethernet
The topology rules for 100 Mbps Fast Ethernet are slightly different to
those for 10 Mbps Ethernet.
Figure 20
illustrates the key topology rules
and provides examples of how they allow for large-scale Fast Ethernet
networks.
Figure 20
Fast Ethernet configuration rules
The key topology rules are:
■
Maximum UTP cable length is 100 m (328 ft) over Category 5 cable.
■
A 412 m (1352 ft) fiber link is allowed for connecting
switch-to-switch, or endstation-to-switch, using half-duplex
100BASE-FX.