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2 - 4 ONline Ethernet 10BASE-FB Module Installation and Operation Guide
5 Assume that one meter
of coaxial or twisted
pair cable is equal to
one meter of fiber
cable.
This is a conservative
equivalence. One meter of fiber
is actually equal to 1.1 meters of
coaxial. For simplicity, assume
one meter.
6 Verify that the
10BASE-FB link
distances do not
exceed the limits
imposed by the optical
power budget.
In general, on 62.5 cable, use
up to 4000 meters
point-to-point using the
10BASE-FB Modules. If you
have poor quality cable or
numberous patch panels, you
may have to sacrifice some
distance.
Some older Ethernet fiber optic
products are less powerful than
ONline 10BASE-FB Module
optics. When connecting to
these products, remember that
they determine the maximum
point-to-point distance.
7 When in doubt, use a
bridge.
If you are not certain you have
exceeded acceptable network
distances, use a bridge to
extend the network.
Table 2-1. Basic Network Rules (Continued)
Rule Definition Recommendations/Notes