Installation Guide User Manual

Publication CNET-IN002B-EN-P - June 2010 41
Plan a ControlNet Coax Media System Chapter 2
Media Catalog Numbers and Quantities
Item Cat. No. Guidelines
Quantity Needed
(1)
Tap:
straight T-tap,
straight Y-tap,
right-angle T-tap,
right-angle Y-tap
See the
ControlNet Media
System
Components List,
publication
AG-PA002
You need a tap for each connection to the trunk cable
(nodes and repeaters).
Each tap kit contains: two BNC connector trunk plugs,
one dust cap, one universal mounting bracket,
ControlNet cable labels, and two screws.
Number of repeaters x 2
+ number of nodes
Repeaters Use a repeater to:
• increase the number of nodes attached.
• extend the network by adding segments.
Follow guidelines on page 25.
Terminating resistors You need a terminating resistor for each end
of each segment.
Number of segments x 2
Network access cable Use this cable to temporarily connect programming
devices to ControlNet nodes.
Number of programming
devices.
Cable connector Two cable connectors are shipped with each tap —
you need to order additional cable connectors for each
bullet and isolated-bulkhead connector you will
be using.
Number of bullet connectors x 2
+ number of isolated-bulkhead
connectors x 2 + number of taps
x 2 + any spares
Optional bullet and
barrel connectors
Isolated-bulkhead
Use these as specified on page 31. Depends on your network
requirements.
Trunk cable Use the ControlNet Media System
Components List, publication AG-PA002
,
to order your required length of cable.
See page 22 to select your
cable type and determine cable
length.
Tap dummy load 1786-TCAP
(quantity of 5)
Use the dummy load to plug into drop cables that are
not attached to a node.
One for every drop cable that is
not attached to a node.
Coax tool kit 1786-CTK Use the tool kit to create your create your trunk cable
to your specifications.
One.
(1)
You need to double your quantities when ordering components for a redundant cable system.