Daktronics AF-3020-7.6-R,A - Manual (Page 15)

Section 3 : Electrical Installation
Note: Only a qualified individual should terminate power and signal cable within this Daktronics
display.
Note: The Daktronics engineering staff must approve any changes made to the display. Before
altering the display, detailed drawings for the proposed modifications must be submitted to the
Daktronics engineering staff for evaluation and approval or the warranty will be rendered null and
void.
3.1 Common Connectors in Galaxy Displays
Many different types of connectors are used for power and signal connection in this display. Take
special care when disengaging any connector so as not to damage the connector, the cable or the
circuit board.
When pulling a connector plug from a jack, do not pull on the wire or cable; pull on the jack
itself. Pulling on the wires may damage the connector.
The following information presents some common connectors encountered during display installation
and maintenance.
1. Ribbon Cable Connectors:
Daktronics uses a variety of ribbon cables and ribbon cable connectors. The
most commonly used ribbon cable connector is seen in Figure 5. To
disconnect ribbon cable connector #2, pull each of the plastic locking arms
outward and remove the plug.
Figure 5: Ribbon
Cable Connector #2
Figure 6: Fiber Optic
Connector
2. Fiber Optic Connectors:
At each end of a fiber optic cable is a “twist-
on” connector. To remove the fiber plug
from its jack, push it toward the jack and
twist it counter-clockwise until the plug can
be pulled free. Figure 6 illustrates a common
type of fiber optic connector.
3. Phone Jacks (RJ11 Connector):
RJ connectors, as seen in Figure 7: RJ11 Connector, are similar to the
telephone connectors found in homes. In order to remove this plug from
the jack, depress the small clip on the underside of the plug.
Figure 7: RJ11
Connector
Before replacing an RJ connector, spray it with Deoxit
™
contact cleaner
to remove any foreign matter that may cause signal problems. In
addition, apply a generous amount of Cailube
™ protector paste to the
plug before inserting it into the jack. This paste will protect both the plug
and the jack from corrosion.
Electrical Installation 3-1