Daktronics Galaxy Series, Manual

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3.3 RJ Connector Cables
Two types of RJ connectors are used in the
display. There is the 6-pin RJ11 and the 8-
pin RJ45.
Figure 15
on the right illustrates
a typical RJ11 connector. These connectors
can be found on many telephones and
LANs.
Electrical Installation
3-4
The cables used in the display are straight
through cables, meaning that the wire to
pin one on one end is the same as pin one
on the other end, and so forth. When
installing a network, and on cables exterior
to the display, flipped cables are often used. This cable has one end that is the mirror
image of the other end (i.e. the cable is flipped). Refer to
Figure 16
below for a
standard flipped cable.
Figure 15: 6-Conductor RJ11 Connector and Cable
Notice in
Figure 16
below that the color code on one connector must be made the
opposite on the other connector. When installing a network, it is not easy to
remember in which direction the previous end was oriented. One simple way to
avoid confusion is to standardize the color code, having one color for the connector
going into the output of a sign and the opposite color for a connector going into the
input of a sign. This will help ensure correct cabling since cables are always installed
from the output jack of one sign to the input jack of the next sign.
Figure 16: Flipped Cable with RJ Connectors
Installing an RJ Connector
Installing an RJ connector on the end of the conductor
cable is a simple task when the correct tools are used. The
RJ crimping tool (Daktronics part number TH-1033)
performs two separate steps.
Figure 17: Wire with Outer
Jacket Stripped
First, use the crimping tool to strip the outer insulation
from the inner wires. This does not result in bare wires
since only the gray outer jacket is removed. After correct
stripping, the wire will appear as shown in
Figure 17
on the right.
The crimping tool is then used to crimp the RJ connector onto the cable. The RJ
connector is locked into a special socket in the tool. The stripped wire is inserted into
the RJ connector. Finally, the tool is squeezed like a pliers to crimp the connector
onto the wire. This completes the installation of an RJ connector onto the wire.