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Not only does 100BASE-TX have a different data transmission scheme,
it also has different cabling requirements. As previously noted,
100BASE-TX requires data-grade (Category 5) UTP cable.
Some installations have Category 5 cabling but do not have wall outlets
and wiring closet punch-down blocks that meet Category 5 require-
ments. 100BASE-TX requires that all wiring and accessories meet
EIA/TIA 568B specifications for proper operation. When wiring a
100BASE-TX network, make sure that the entire cable plant meets
specifications.
Figure 2-1 LFH4-M 100BASE-TX Network Example
2.3 Installation
The LFH Mini Fast Ethernet Hubs are easy to install and require no
special training. You should, however, read the following instructions
carefully before proceeding to install your hub. Figures 2-2 and 2-3
show the layout of the front panels.
4321
4321
PWR
COL
PARTITION
LINK/ACT
PORT NO.
Uplink
4321
4321
PWR
COL
PARTITION
LINK/ACT
PORT NO.
Uplink
LFH4-M
LFH4-M