Display Enclosures
In each communication method, the final termination will be from a provided
weather resistant enclosure to the display.
Note the following information when mounting the enclosure:
1.
Be sure to mount the enclosure with the cable exiting from the bottom, to
prevent water from entering into the enclosure.
2.
Mount the enclosure securely and if possible at a height inaccessible to
vandalism.
3.
A quick connect cable will be connected to the enclosure and will terminate to
the back of the Primary display. The length of the cable is either 25 or 30 feet
depending on the communication method used.
4.
The quick connect cable can be run from the enclosure though conduit or
through the display pole to the sign, but is not required. The cable is weather
and sunlight resistant.
5.
Daktronics strongly recommends that the cable be secured to the display to
prevent it from being pulled loose by weather or vandalism.
6.
Ground those enclosures that use wire signal cable, which includes the RS422
and modem. The resistance to ground should be 10 ohms or less. A wire is
attached to the enclosure to make the necessary ground connection.
3.3 RJ Connector Cables
Figure 14: Eight-Conductor Cable
The conductor connectors used in the network are
an industry standard 6-pin RJ11or 8-pin RJ45.
These connectors can be found on many networks
and LANs.
The cables used in a network are a standard eight-
conductor Cat-5 cable. Refer to
on the
right. This cable has one end that is the mirror
image of the other end (i.e. the cable is flipped).
Refer to
below
for a standard flipped
cable.
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 15: Flipped Cable with RJ45 Connectors
Electrical Installation
3-4
