Rockwell Automation Allen-Bradley ControlNet 1786 Series, Installation Instructions Manual, Page: 9 / 74

1 Publication CNET-IN002A-EN-P - December 2001
Chapter
1
Overview of The ControlNet Coax
Media System
What’s in This Chapter Read this chapter to familiarize yourself with the ControlNet cable
system.
Understand the ControlNet
Cable System The ControlNet cable system gives you the flexibility to design a
communication network for your particular application. To take full
advantage of this flexibility, you should spend sufficient time planning
how to install your network
before assembling any of the hardware.
Use the following figure and term definitions to understand the
ControlNet cable system.
For information about this topic: See page:
Understand the ControlNet Cable System 1-1
Understand the ControlNet Components 1-2
R
N N
N
N N
N
N
N
N
N
T
T
T T T T
T T
T
T
T T T
T
40952
B
network
segment
link
trunk-cable
segment
link (one segment)
Term Means
bridge a device that allows traffic to pass from one link to another link
link a collection of nodes with unique addresses in the range of
1-99
network a collection of connected nodes — the connection paths
between any pair of devices may include repeaters and bridges
B