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Determine Trunk
Cable Section
Lengths
A segment is comprised of several sections of trunk cable separated by taps
between 75Ω terminators. The total cable length of a segment is equal to the
sum of all of the trunk-cable sections.
Figure C.4 Taps and Trunk Cable Sections
Tap
Trunk Cable Section
When determining the cable length of trunk-cable sections,
IMPORTANT
make sure you measure the actual cable path as it is routed
in your network. Consider vertical dimensions as well as
horizontal dimensions. You should always calculate the
three-dimensional routing path distance when determining
cable lengths.
For intrinsically-safe applications, make sure to cover all
exposed metal with either the intrinsically safe sheaths or
other forms of insulation.
Select the shortest path for routing the cable to minimize the amount of cable
you need. The specific details of planning such a cable route depends on the
needs of your network.
Determine Your ControlNet Media Requirements
Tap
Trunk Cable Section
Publication CNET-UM001C-EN-P - November 2005
C-7
Tap
30094-m
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